1318 lines
40 KiB
Dart
1318 lines
40 KiB
Dart
import 'models.dart';
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/// Stable A0 core identities taught by each seed lesson. Wording can vary in
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/// future exercises without creating a different mastery item.
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const a0TargetItemIdsByLesson = <String, List<String>>{
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'a0-01': ['A0-W36', 'A0-W37', 'A0-W40', 'A0-P01', 'A0-P02', 'A0-P03'],
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'a0-02': ['A0-P04'],
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'a0-03': ['A0-W33', 'A0-W34', 'A0-W35', 'A0-P05', 'A0-P06'],
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'a0-04': [
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'A0-W01',
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'A0-W02',
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'A0-W03',
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'A0-W04',
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'A0-W05',
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'A0-W06',
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'A0-W07',
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'A0-W08',
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'A0-W09',
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'A0-W10',
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'A0-W11',
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'A0-W20',
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'A0-P07',
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'A0-P08',
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],
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'a0-05': ['A0-W19', 'A0-W21', 'A0-W22', 'A0-W23', 'A0-P09', 'A0-P10'],
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'a0-06': ['A0-P11', 'A0-P12'],
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'a0-07': ['A0-W25', 'A0-W26', 'A0-W27', 'A0-W28', 'A0-P13'],
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'a0-08': [
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'A0-W12',
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'A0-W13',
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'A0-W14',
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'A0-W15',
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'A0-W16',
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'A0-W17',
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'A0-W18',
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'A0-P14',
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'A0-P15',
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'A0-P16',
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'A0-P17',
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],
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'a0-09': [
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'A0-W29',
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'A0-W30',
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'A0-W31',
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'A0-W32',
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'A0-W38',
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'A0-W39',
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'A0-P18',
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'A0-P19',
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],
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'a0-10': ['A0-W24', 'A0-P20'],
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};
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/// A topic may contain multiple independently resumable teaching segments.
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/// Segment IDs are stable even if later wording or exercises change.
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class LessonSegment {
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const LessonSegment({
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required this.id,
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required this.targetItemIds,
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required this.previewItemIds,
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this.dialogueRequiredTerms = const [],
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this.independentRequiredTerms = const [],
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this.estimatedMinutes = 12,
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});
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final String id;
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final List<String> targetItemIds;
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final List<String> previewItemIds;
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/// One accepted term group per controlled dialogue turn. A learner only
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/// needs to use one term from the current group; the surrounding wording
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/// may vary naturally.
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final List<List<String>> dialogueRequiredTerms;
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/// Terms that show the independent attempt contains the taught content.
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final List<String> independentRequiredTerms;
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final int estimatedMinutes;
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}
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const a0LessonSegments = <String, List<LessonSegment>>{
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'a0-04': [
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LessonSegment(
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id: 'a0-04-a',
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targetItemIds: [
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'A0-W01',
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'A0-W02',
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'A0-W03',
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'A0-W04',
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'A0-W05',
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'A0-W06',
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],
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previewItemIds: [
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'A0-W01',
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'A0-W02',
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'A0-W03',
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'A0-W04',
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'A0-W05',
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'A0-W06',
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],
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dialogueRequiredTerms: [
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['zero', 'one', 'two'],
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['three', 'four', 'five'],
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],
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independentRequiredTerms: ['zero', 'one', 'two', 'three', 'four', 'five'],
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),
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LessonSegment(
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id: 'a0-04-b',
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targetItemIds: [
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'A0-W07',
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'A0-W08',
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'A0-W09',
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'A0-W10',
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'A0-W11',
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'A0-W20',
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],
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previewItemIds: [
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'A0-W07',
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'A0-W08',
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'A0-W09',
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'A0-W10',
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'A0-W11',
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'A0-W20',
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],
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dialogueRequiredTerms: [
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['six', 'seven', 'eight'],
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['it is a phone', "it's a phone"],
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],
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independentRequiredTerms: ['six', 'seven', 'eight', 'nine', 'ten'],
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),
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LessonSegment(
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id: 'a0-04-c',
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targetItemIds: ['A0-P07', 'A0-P08'],
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previewItemIds: ['A0-P07', 'A0-P08'],
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dialogueRequiredTerms: [
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[
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'my number is',
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'one',
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'two',
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'three',
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'four',
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'five',
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'six',
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'seven',
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'eight',
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'nine',
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'zero',
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],
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[
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'one',
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'two',
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'three',
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'four',
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'five',
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'six',
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'seven',
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'eight',
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'nine',
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'zero',
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],
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],
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independentRequiredTerms: [
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'one',
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'two',
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'three',
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'four',
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'five',
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'six',
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'seven',
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'eight',
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'nine',
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'zero',
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],
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),
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],
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'a0-08': [
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LessonSegment(
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id: 'a0-08-a',
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targetItemIds: ['A0-W12', 'A0-W13', 'A0-W14', 'A0-P14', 'A0-P15'],
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previewItemIds: ['A0-W12', 'A0-W13', 'A0-W14', 'A0-P14', 'A0-P15'],
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dialogueRequiredTerms: [
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['what day'],
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['monday', 'tuesday', 'wednesday'],
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],
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independentRequiredTerms: ['monday', 'tuesday', 'wednesday'],
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),
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LessonSegment(
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id: 'a0-08-b',
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targetItemIds: ['A0-W15', 'A0-W16', 'A0-W17', 'A0-W18'],
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previewItemIds: ['A0-W15', 'A0-W16', 'A0-W17', 'A0-W18'],
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dialogueRequiredTerms: [
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['what day'],
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['thursday', 'friday', 'saturday', 'sunday'],
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],
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independentRequiredTerms: ['thursday', 'friday', 'saturday', 'sunday'],
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),
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LessonSegment(
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id: 'a0-08-c',
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targetItemIds: ['A0-P16', 'A0-P17'],
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previewItemIds: ['A0-P16', 'A0-P17'],
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dialogueRequiredTerms: [
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['what time'],
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["o'clock", 'oclock'],
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],
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independentRequiredTerms: ["o'clock", 'oclock'],
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),
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],
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};
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class SeedLesson {
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const SeedLesson({
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required this.id,
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required this.number,
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required this.title,
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required this.outcome,
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required this.vocabulary,
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this.schemaVersion = '1.0',
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this.revision = 1,
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this.stageVersion = 'A0-1.0',
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this.source = ContentSource.builtInOriginal,
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this.status = ContentStatus.approved,
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this.estimatedMinutes = 12,
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});
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final String id;
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final int number;
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final String title;
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final String outcome;
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final List<VocabularyItem> vocabulary;
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final String schemaVersion;
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final int revision;
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final String stageVersion;
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final ContentSource source;
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final ContentStatus status;
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final int estimatedMinutes;
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List<String> get targetItemIds =>
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a0TargetItemIdsByLesson[id] ?? const <String>[];
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List<String> get abilityIds => ['A0-C${number.toString().padLeft(2, '0')}'];
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List<String> get prerequisiteIds => number == 1
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? const []
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: ['a0-${(number - 1).toString().padLeft(2, '0')}'];
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List<LessonSegment> get segments =>
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a0LessonSegments[id] ??
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[
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LessonSegment(
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id: '$id-a',
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targetItemIds: targetItemIds,
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previewItemIds: targetItemIds,
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estimatedMinutes: estimatedMinutes,
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),
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];
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}
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const a0SeedLessons = [
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SeedLesson(
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id: 'a0-01',
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number: 1,
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title: '你好，我是……',
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outcome: '介绍姓名并回应问候',
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vocabulary: [
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VocabularyItem(
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id: 'a0-01-hello',
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word: 'Hello',
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meaning: '你好',
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example: 'Hello. I’m Mia.',
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exampleMeaning: '你好。我是 Mia。',
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ipa: '/həˈləʊ/',
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),
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VocabularyItem(
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id: 'a0-01-name',
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word: 'name',
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meaning: '名字',
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example: 'My name is Shen.',
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exampleMeaning: '我的名字是 Shen。',
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ipa: '/neɪm/',
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),
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VocabularyItem(
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id: 'a0-01-nice',
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word: 'Nice to meet you',
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meaning: '很高兴认识你',
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example: 'Nice to meet you, too.',
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exampleMeaning: '我也很高兴认识你。',
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),
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],
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),
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SeedLesson(
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id: 'a0-02',
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number: 2,
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title: '拼读我的名字',
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outcome: '听懂拼写，并说出名字字母',
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vocabulary: [
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VocabularyItem(
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id: 'a0-02-spell',
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word: 'spell',
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meaning: '拼写',
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example: 'How do you spell that?',
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exampleMeaning: '那个怎么拼？',
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ipa: '/spel/',
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),
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VocabularyItem(
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id: 'a0-02-name',
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word: 'name',
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meaning: '名字',
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example: 'My name is Shen.',
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exampleMeaning: '我的名字是 Shen。',
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ipa: '/neɪm/',
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),
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VocabularyItem(
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id: 'a0-02-question',
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word: 'How do you spell that?',
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meaning: '那个怎么拼？',
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example: 'How do you spell your name?',
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exampleMeaning: '你的名字怎么拼？',
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),
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],
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),
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SeedLesson(
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id: 'a0-03',
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number: 3,
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title: '你好吗？',
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outcome: '问候并表达简单状态',
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vocabulary: [
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VocabularyItem(
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id: 'a0-03-good',
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word: 'good',
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meaning: '好的',
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example: 'I’m good, thanks.',
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exampleMeaning: '我很好，谢谢。',
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ipa: '/ɡʊd/',
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),
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VocabularyItem(
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id: 'a0-03-tired',
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word: 'tired',
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meaning: '累的',
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example: 'I’m tired today.',
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exampleMeaning: '我今天有点累。',
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ipa: '/ˈtaɪəd/',
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),
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VocabularyItem(
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id: 'a0-03-how',
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word: 'How are you?',
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meaning: '你好吗？',
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example: 'How are you today?',
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exampleMeaning: '你今天怎么样？',
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),
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],
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),
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SeedLesson(
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id: 'a0-04',
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number: 4,
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title: '数字与电话号码',
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outcome: '说 0–10 与虚拟号码',
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vocabulary: [
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VocabularyItem(
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id: 'a0-04-three',
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word: 'three',
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meaning: '三',
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example: 'One, three, eight.',
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exampleMeaning: '一、三、八。',
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ipa: '/θriː/',
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),
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VocabularyItem(
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id: 'a0-04-number',
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word: 'number',
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meaning: '号码',
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example: 'My number is 1-3-8.',
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exampleMeaning: '我的号码是 138。',
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ipa: '/ˈnʌmbə(r)/',
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),
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VocabularyItem(
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id: 'a0-04-phone',
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word: 'phone',
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meaning: '电话',
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example: 'What’s your phone number?',
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exampleMeaning: '你的电话号码是多少？',
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),
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],
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),
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SeedLesson(
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id: 'a0-05',
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number: 5,
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title: '这是什么？',
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outcome: '询问并说出常见物品',
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vocabulary: [
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VocabularyItem(
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id: 'a0-05-book',
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word: 'book',
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meaning: '书',
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example: 'It’s a book.',
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exampleMeaning: '这是一本书。',
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ipa: '/bʊk/',
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),
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VocabularyItem(
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id: 'a0-05-pen',
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word: 'pen',
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meaning: '笔',
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example: 'It’s a pen.',
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exampleMeaning: '这是一支笔。',
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ipa: '/pen/',
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),
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VocabularyItem(
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id: 'a0-05-this',
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word: 'What’s this?',
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meaning: '这是什么？',
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example: 'What’s this? It’s a key.',
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exampleMeaning: '这是什么？这是钥匙。',
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),
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],
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),
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SeedLesson(
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id: 'a0-06',
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number: 6,
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title: '我来自哪里？',
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outcome: '说明来自哪里并反问',
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vocabulary: [
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VocabularyItem(
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id: 'a0-06-from',
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word: 'from',
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meaning: '来自',
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example: 'I’m from Hong Kong.',
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exampleMeaning: '我来自香港。',
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ipa: '/frəm/',
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),
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VocabularyItem(
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id: 'a0-06-place',
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word: 'place',
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meaning: '地点',
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example: 'Where are you from?',
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exampleMeaning: '你来自哪里？',
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),
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||
],
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),
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||
SeedLesson(
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id: 'a0-07',
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number: 7,
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title: '我的家人',
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||
outcome: '介绍一位家人',
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vocabulary: [
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||
VocabularyItem(
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id: 'a0-07-family',
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||
word: 'family',
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||
meaning: '家人',
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||
example: 'This is my family.',
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||
exampleMeaning: '这是我的家人。',
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||
ipa: '/ˈfæməli/',
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||
),
|
||
VocabularyItem(
|
||
id: 'a0-07-mother',
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||
word: 'mother',
|
||
meaning: '母亲',
|
||
example: 'This is my mother.',
|
||
exampleMeaning: '这是我的妈妈。',
|
||
),
|
||
],
|
||
),
|
||
SeedLesson(
|
||
id: 'a0-08',
|
||
number: 8,
|
||
title: '星期与时间',
|
||
outcome: '说今天和整点',
|
||
vocabulary: [
|
||
VocabularyItem(
|
||
id: 'a0-08-monday',
|
||
word: 'Monday',
|
||
meaning: '星期一',
|
||
example: 'It is Monday.',
|
||
exampleMeaning: '今天是星期一。',
|
||
),
|
||
VocabularyItem(
|
||
id: 'a0-08-oclock',
|
||
word: 'o’clock',
|
||
meaning: '整点',
|
||
example: 'It’s three o’clock.',
|
||
exampleMeaning: '现在三点整。',
|
||
),
|
||
],
|
||
),
|
||
SeedLesson(
|
||
id: 'a0-09',
|
||
number: 9,
|
||
title: '我喜欢……',
|
||
outcome: '表达喜好并回答',
|
||
vocabulary: [
|
||
VocabularyItem(
|
||
id: 'a0-09-like',
|
||
word: 'like',
|
||
meaning: '喜欢',
|
||
example: 'I like tea.',
|
||
exampleMeaning: '我喜欢茶。',
|
||
ipa: '/laɪk/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'a0-09-tea',
|
||
word: 'tea',
|
||
meaning: '茶',
|
||
example: 'Do you like tea?',
|
||
exampleMeaning: '你喜欢茶吗？',
|
||
),
|
||
],
|
||
),
|
||
SeedLesson(
|
||
id: 'a0-10',
|
||
number: 10,
|
||
title: 'A0 综合任务',
|
||
outcome: '完成自我介绍、喜好和反问',
|
||
vocabulary: [
|
||
VocabularyItem(
|
||
id: 'a0-10-again',
|
||
word: 'Please say that again.',
|
||
meaning: '请再说一遍。',
|
||
example: 'Please say that again.',
|
||
exampleMeaning: '请再说一遍。',
|
||
),
|
||
VocabularyItem(
|
||
id: 'a0-10-slowly',
|
||
word: 'Please speak slowly.',
|
||
meaning: '请说慢一点。',
|
||
example: 'Please speak slowly.',
|
||
exampleMeaning: '请说慢一点。',
|
||
),
|
||
],
|
||
),
|
||
];
|
||
|
||
SeedLesson lessonById(String id) =>
|
||
a0SeedLessons.firstWhere((lesson) => lesson.id == id);
|
||
|
||
class LessonActivity {
|
||
const LessonActivity({
|
||
required this.listening,
|
||
required this.listeningQuestion,
|
||
required this.answers,
|
||
required this.speaking,
|
||
required this.reading,
|
||
required this.readingQuestion,
|
||
required this.readingAnswer,
|
||
required this.writingPrompt,
|
||
required this.writingExample,
|
||
required this.independentPrompt,
|
||
required this.independentHelp,
|
||
});
|
||
final String listening;
|
||
final String listeningQuestion;
|
||
final List<String> answers;
|
||
final String speaking;
|
||
final String reading;
|
||
final String readingQuestion;
|
||
final String readingAnswer;
|
||
final String writingPrompt;
|
||
final String writingExample;
|
||
final String independentPrompt;
|
||
final String independentHelp;
|
||
}
|
||
|
||
const a0Activities = <String, LessonActivity>{
|
||
'a0-01': LessonActivity(
|
||
listening: 'Hello. I’m Mia. Nice to meet you.',
|
||
listeningQuestion: 'Mia 在做什么？',
|
||
answers: ['自我介绍', '买东西', '问时间'],
|
||
speaking: 'Hello. I’m Shen. Nice to meet you.',
|
||
reading:
|
||
'Mia: Hello. I’m Mia.\nShen: Hi. I’m Shen.\nMia: Nice to meet you.\nShen: Nice to meet you, too.',
|
||
readingQuestion: '谁叫 Mia？',
|
||
readingAnswer: '第一位说话的人',
|
||
writingPrompt: '写一句问候和姓名介绍。',
|
||
writingExample: 'Hello. I’m Shen.',
|
||
independentPrompt: '不看句框，介绍你的名字并回应“Nice to meet you”。',
|
||
independentHelp: 'Hi. I’m … / Nice to meet you, too.',
|
||
),
|
||
'a0-02': LessonActivity(
|
||
listening: 'How do you spell your name?',
|
||
listeningQuestion: '这句话是什么意思？',
|
||
answers: ['你的名字怎么拼？', '你的名字是什么？', '你来自哪里？'],
|
||
speaking: 'S H E N',
|
||
reading:
|
||
'Mia: What’s your name?\nShen: Shen.\nMia: How do you spell that?\nShen: S-H-E-N.',
|
||
readingQuestion: 'Shen 的名字怎么拼？',
|
||
readingAnswer: 'S-H-E-N',
|
||
writingPrompt: '把名字和拼写写完整。',
|
||
writingExample: 'My name is Shen.\nS-H-E-N.',
|
||
independentPrompt: '不看句框，用英文介绍名字并拼读它。',
|
||
independentHelp: 'My name is … / A-B-C.',
|
||
),
|
||
'a0-03': LessonActivity(
|
||
listening: 'How are you today?',
|
||
listeningQuestion: '对方在问什么？',
|
||
answers: ['你的状态', '你的号码', '你的地点'],
|
||
speaking: 'How are you? I’m good, thanks.',
|
||
reading:
|
||
'Mia: Hi, Shen. How are you?\nShen: I’m good, thanks. How are you?\nMia: I’m okay.',
|
||
readingQuestion: 'Mia 状态如何？',
|
||
readingAnswer: 'okay',
|
||
writingPrompt: '写一句今天的状态。',
|
||
writingExample: 'I’m okay today.',
|
||
independentPrompt: '不看句框，问候并说出你的状态。',
|
||
independentHelp: 'How are you? / I’m …',
|
||
),
|
||
'a0-04': LessonActivity(
|
||
listening: 'One, three, eight.',
|
||
listeningQuestion: '你听到的是哪个号码？',
|
||
answers: ['138', '183', '318'],
|
||
speaking: 'My number is one-three-eight.',
|
||
reading:
|
||
'Mia: What’s your phone number?\nShen: One-three-eight.\nMia: Thank you.',
|
||
readingQuestion: 'Shen 的号码是？',
|
||
readingAnswer: '138',
|
||
writingPrompt: '把虚拟号码 139 写成英文。',
|
||
writingExample: 'one-three-nine',
|
||
independentPrompt: '不看句框，说出一个三位虚拟号码。',
|
||
independentHelp: 'My number is one-two-three.',
|
||
),
|
||
'a0-05': LessonActivity(
|
||
listening: 'What’s this? It’s a key.',
|
||
listeningQuestion: '这是什么？',
|
||
answers: ['钥匙', '书', '水'],
|
||
speaking: 'What’s this? It’s a pen.',
|
||
reading: 'Mia: What’s this?\nShen: It’s a book.',
|
||
readingQuestion: '这是什么？',
|
||
readingAnswer: 'a book',
|
||
writingPrompt: '写一句“这是一支笔”。',
|
||
writingExample: 'It’s a pen.',
|
||
independentPrompt: '不看句框，说出一个身边物品。',
|
||
independentHelp: 'It’s a …',
|
||
),
|
||
'a0-06': LessonActivity(
|
||
listening: 'Where are you from?',
|
||
listeningQuestion: '对方在问什么？',
|
||
answers: ['来自哪里', '叫什么', '喜欢什么'],
|
||
speaking: 'I’m from Hong Kong.',
|
||
reading: 'Mia: Where are you from?\nShen: I’m from Hong Kong.',
|
||
readingQuestion: 'Shen 来自哪里？',
|
||
readingAnswer: 'Hong Kong',
|
||
writingPrompt: '写一句你来自哪里。',
|
||
writingExample: 'I’m from Hong Kong.',
|
||
independentPrompt: '不看句框，说来自哪里并反问对方。',
|
||
independentHelp: 'I’m from … / Where are you from?',
|
||
),
|
||
'a0-07': LessonActivity(
|
||
listening: 'Who is this? This is my mother.',
|
||
listeningQuestion: '这个人是谁？',
|
||
answers: ['妈妈', '朋友', '老师'],
|
||
speaking: 'This is my family.',
|
||
reading: 'Mia: Who is this?\nShen: This is my mother.',
|
||
readingQuestion: 'Shen 在介绍谁？',
|
||
readingAnswer: 'my mother',
|
||
writingPrompt: '介绍一位家人或朋友。',
|
||
writingExample: 'This is my mother.',
|
||
independentPrompt: '不看句框，介绍一位家人或朋友。',
|
||
independentHelp: 'This is my …',
|
||
),
|
||
'a0-08': LessonActivity(
|
||
listening: 'It’s three o’clock on Monday.',
|
||
listeningQuestion: '是什么时间？',
|
||
answers: ['星期一三点', '星期三一点', '星期一一点'],
|
||
speaking: 'It’s three o’clock.',
|
||
reading: 'Mia: What day is it?\nShen: It’s Monday.',
|
||
readingQuestion: '今天星期几？',
|
||
readingAnswer: 'Monday',
|
||
writingPrompt: '写一句今天和整点。',
|
||
writingExample: 'It’s Monday. It’s three o’clock.',
|
||
independentPrompt: '不看句框，说今天星期几或现在几点。',
|
||
independentHelp: 'It’s … / It’s … o’clock.',
|
||
),
|
||
'a0-09': LessonActivity(
|
||
listening: 'Do you like tea? Yes, I do.',
|
||
listeningQuestion: '对方喜欢茶吗？',
|
||
answers: ['喜欢', '不喜欢', '不知道'],
|
||
speaking: 'I like tea. Do you like tea?',
|
||
reading: 'Mia: I like tea. Do you like tea?\nShen: Yes, I do.',
|
||
readingQuestion: 'Shen 的回答是什么？',
|
||
readingAnswer: 'Yes, I do.',
|
||
writingPrompt: '写一句你的喜好。',
|
||
writingExample: 'I like tea.',
|
||
independentPrompt: '不看句框，说一个喜好并反问。',
|
||
independentHelp: 'I like … / Do you like …?',
|
||
),
|
||
'a0-10': LessonActivity(
|
||
listening: 'Please say that again.',
|
||
listeningQuestion: '对方希望什么？',
|
||
answers: ['再说一遍', '说慢一点', '写下来'],
|
||
speaking: 'Please speak slowly.',
|
||
reading: 'Mia: Please say that again.\nShen: Please speak slowly.',
|
||
readingQuestion: 'Shen 希望什么？',
|
||
readingAnswer: 'speak slowly',
|
||
writingPrompt: '写姓名、地点和喜好三句。',
|
||
writingExample: 'I’m Shen.\nI’m from Hong Kong.\nI like tea.',
|
||
independentPrompt: '不看帮助，完成姓名、地点、喜好和反问。',
|
||
independentHelp: 'I’m … / I’m from … / I like …',
|
||
),
|
||
};
|
||
|
||
LessonActivity activityByLessonId(String id) => a0Activities[id]!;
|
||
|
||
/// Reviewed activities for split topics. They intentionally avoid values from
|
||
/// later segments so a segment can be completed independently.
|
||
const a0SegmentActivities = <String, LessonActivity>{
|
||
'a0-04-a': LessonActivity(
|
||
listening: 'One, two, three.',
|
||
listeningQuestion: '听到哪一组数字？',
|
||
answers: ['123', '132', '213'],
|
||
speaking: 'Zero, one, two, three.',
|
||
reading: 'Mia: One, two, three.\nShen: Four, five.',
|
||
readingQuestion: 'Shen 说了哪两个数字？',
|
||
readingAnswer: 'four, five',
|
||
writingPrompt: '把 0、1、2、3 写成英文。',
|
||
writingExample: 'zero, one, two, three',
|
||
independentPrompt: '不看帮助，说出三个 0 到 5 的数字。',
|
||
independentHelp: 'zero / one / two / three / four / five',
|
||
),
|
||
'a0-04-b': LessonActivity(
|
||
listening: 'Six, seven, eight.',
|
||
listeningQuestion: '听到哪一组数字？',
|
||
answers: ['678', '687', '768'],
|
||
speaking: 'My phone is here.',
|
||
reading: 'Mia: What is this?\nShen: It is a phone.',
|
||
readingQuestion: '这是什么？',
|
||
readingAnswer: 'a phone',
|
||
writingPrompt: '把 6、7、8 写成英文。',
|
||
writingExample: 'six, seven, eight',
|
||
independentPrompt: '不看帮助，说出三个 6 到 10 的数字。',
|
||
independentHelp: 'six / seven / eight / nine / ten',
|
||
),
|
||
'a0-04-c': LessonActivity(
|
||
listening: 'My number is one-three-eight.',
|
||
listeningQuestion: '号码是多少？',
|
||
answers: ['138', '183', '318'],
|
||
speaking: 'My number is one-three-eight.',
|
||
reading: 'Mia: What’s your phone number?\nShen: One-three-eight.',
|
||
readingQuestion: 'Shen 的号码是？',
|
||
readingAnswer: '138',
|
||
writingPrompt: '把虚拟号码 139 写成英文。',
|
||
writingExample: 'one-three-nine',
|
||
independentPrompt: '不看句框，说出一个三位虚拟号码。',
|
||
independentHelp: 'My number is one-two-three.',
|
||
),
|
||
'a0-08-a': LessonActivity(
|
||
listening: 'It is Monday.',
|
||
listeningQuestion: '今天星期几？',
|
||
answers: ['星期一', '星期二', '星期三'],
|
||
speaking: 'It is Monday.',
|
||
reading: 'Mia: What day is it?\nShen: It is Tuesday.',
|
||
readingQuestion: '今天星期几？',
|
||
readingAnswer: 'Tuesday',
|
||
writingPrompt: '写一句今天是星期一、二或三。',
|
||
writingExample: 'It is Monday.',
|
||
independentPrompt: '不看帮助，说出星期一、二或三。',
|
||
independentHelp: 'It is Monday / Tuesday / Wednesday.',
|
||
),
|
||
'a0-08-b': LessonActivity(
|
||
listening: 'It is Friday.',
|
||
listeningQuestion: '今天星期几？',
|
||
answers: ['星期五', '星期四', '星期日'],
|
||
speaking: 'It is Friday.',
|
||
reading: 'Mia: What day is it?\nShen: It is Sunday.',
|
||
readingQuestion: '今天星期几？',
|
||
readingAnswer: 'Sunday',
|
||
writingPrompt: '写一句今天是星期四到日。',
|
||
writingExample: 'It is Friday.',
|
||
independentPrompt: '不看帮助，说出星期四到日。',
|
||
independentHelp: 'It is Thursday / Friday / Saturday / Sunday.',
|
||
),
|
||
'a0-08-c': LessonActivity(
|
||
listening: 'It is three o’clock.',
|
||
listeningQuestion: '是什么时间？',
|
||
answers: ['三点', '一点', '星期三'],
|
||
speaking: 'It is three o’clock.',
|
||
reading: 'Mia: What time is it?\nShen: It is three o’clock.',
|
||
readingQuestion: '几点？',
|
||
readingAnswer: 'three o’clock',
|
||
writingPrompt: '写一句整点时间。',
|
||
writingExample: 'It is three o’clock.',
|
||
independentPrompt: '不看帮助，说一个整点时间。',
|
||
independentHelp: 'It is … o’clock.',
|
||
),
|
||
};
|
||
|
||
LessonActivity activityBySegmentId(String segmentId, String lessonId) =>
|
||
a0SegmentActivities[segmentId] ?? activityByLessonId(lessonId);
|
||
|
||
/// Short, reviewed entries used before each split segment. These are kept
|
||
/// separate from review prompts: a review hint is not a learner-facing
|
||
/// dictionary definition.
|
||
const a0SegmentVocabulary = <String, List<VocabularyItem>>{
|
||
'a0-04-a': [
|
||
VocabularyItem(
|
||
id: 'A0-W01',
|
||
word: 'zero',
|
||
meaning: '零',
|
||
example: 'Zero, one, two.',
|
||
exampleMeaning: '零、一、二。',
|
||
ipa: '/ˈzɪrəʊ/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W02',
|
||
word: 'one',
|
||
meaning: '一',
|
||
example: 'One, two, three.',
|
||
exampleMeaning: '一、二、三。',
|
||
ipa: '/wʌn/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W03',
|
||
word: 'two',
|
||
meaning: '二',
|
||
example: 'Two and three.',
|
||
exampleMeaning: '二和三。',
|
||
ipa: '/tuː/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W04',
|
||
word: 'three',
|
||
meaning: '三',
|
||
example: 'Three, four, five.',
|
||
exampleMeaning: '三、四、五。',
|
||
ipa: '/θriː/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W05',
|
||
word: 'four',
|
||
meaning: '四',
|
||
example: 'Four and five.',
|
||
exampleMeaning: '四和五。',
|
||
ipa: '/fɔː/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W06',
|
||
word: 'five',
|
||
meaning: '五',
|
||
example: 'Five, please.',
|
||
exampleMeaning: '五，请。',
|
||
ipa: '/faɪv/',
|
||
),
|
||
],
|
||
'a0-04-b': [
|
||
VocabularyItem(
|
||
id: 'A0-W07',
|
||
word: 'six',
|
||
meaning: '六',
|
||
example: 'Six, seven, eight.',
|
||
exampleMeaning: '六、七、八。',
|
||
ipa: '/sɪks/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W08',
|
||
word: 'seven',
|
||
meaning: '七',
|
||
example: 'Seven, eight, nine.',
|
||
exampleMeaning: '七、八、九。',
|
||
ipa: '/ˈsevən/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W09',
|
||
word: 'eight',
|
||
meaning: '八',
|
||
example: 'Eight, nine, ten.',
|
||
exampleMeaning: '八、九、十。',
|
||
ipa: '/eɪt/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W10',
|
||
word: 'nine',
|
||
meaning: '九',
|
||
example: 'Nine and ten.',
|
||
exampleMeaning: '九和十。',
|
||
ipa: '/naɪn/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W11',
|
||
word: 'ten',
|
||
meaning: '十',
|
||
example: 'Ten, please.',
|
||
exampleMeaning: '十，请。',
|
||
ipa: '/ten/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W20',
|
||
word: 'phone',
|
||
meaning: '电话；手机',
|
||
example: 'It is a phone.',
|
||
exampleMeaning: '它是一部手机。',
|
||
ipa: '/fəʊn/',
|
||
),
|
||
],
|
||
'a0-04-c': [
|
||
VocabularyItem(
|
||
id: 'A0-P07',
|
||
word: "What's your phone number?",
|
||
meaning: '你的电话号码是多少？',
|
||
example: "What's your phone number?",
|
||
exampleMeaning: '你的电话号码是多少？',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-P08',
|
||
word: 'My number is one-three-eight.',
|
||
meaning: '我的号码是 138。',
|
||
example: 'My number is one-three-eight.',
|
||
exampleMeaning: '我的号码是 138。',
|
||
),
|
||
],
|
||
'a0-08-a': [
|
||
VocabularyItem(
|
||
id: 'A0-W12',
|
||
word: 'Monday',
|
||
meaning: '星期一',
|
||
example: 'It is Monday.',
|
||
exampleMeaning: '今天是星期一。',
|
||
ipa: '/ˈmʌndeɪ/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W13',
|
||
word: 'Tuesday',
|
||
meaning: '星期二',
|
||
example: 'It is Tuesday.',
|
||
exampleMeaning: '今天是星期二。',
|
||
ipa: '/ˈtjuːzdeɪ/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W14',
|
||
word: 'Wednesday',
|
||
meaning: '星期三',
|
||
example: 'It is Wednesday.',
|
||
exampleMeaning: '今天是星期三。',
|
||
ipa: '/ˈwenzdeɪ/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-P14',
|
||
word: 'What day is it today?',
|
||
meaning: '今天星期几？',
|
||
example: 'What day is it today?',
|
||
exampleMeaning: '今天星期几？',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-P15',
|
||
word: "It's Monday.",
|
||
meaning: '今天是星期一。',
|
||
example: "It's Monday.",
|
||
exampleMeaning: '今天是星期一。',
|
||
),
|
||
],
|
||
'a0-08-b': [
|
||
VocabularyItem(
|
||
id: 'A0-W15',
|
||
word: 'Thursday',
|
||
meaning: '星期四',
|
||
example: 'It is Thursday.',
|
||
exampleMeaning: '今天是星期四。',
|
||
ipa: '/ˈθɜːzdeɪ/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W16',
|
||
word: 'Friday',
|
||
meaning: '星期五',
|
||
example: 'It is Friday.',
|
||
exampleMeaning: '今天是星期五。',
|
||
ipa: '/ˈfraɪdeɪ/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W17',
|
||
word: 'Saturday',
|
||
meaning: '星期六',
|
||
example: 'It is Saturday.',
|
||
exampleMeaning: '今天是星期六。',
|
||
ipa: '/ˈsætədeɪ/',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-W18',
|
||
word: 'Sunday',
|
||
meaning: '星期日',
|
||
example: 'It is Sunday.',
|
||
exampleMeaning: '今天是星期日。',
|
||
ipa: '/ˈsʌndeɪ/',
|
||
),
|
||
],
|
||
'a0-08-c': [
|
||
VocabularyItem(
|
||
id: 'A0-P16',
|
||
word: 'What time is it?',
|
||
meaning: '现在几点？',
|
||
example: 'What time is it?',
|
||
exampleMeaning: '现在几点？',
|
||
),
|
||
VocabularyItem(
|
||
id: 'A0-P17',
|
||
word: "It's three o'clock.",
|
||
meaning: '现在三点。',
|
||
example: "It's three o'clock.",
|
||
exampleMeaning: '现在三点。',
|
||
),
|
||
],
|
||
};
|
||
|
||
List<VocabularyItem> vocabularyBySegmentId(String segmentId, String lessonId) {
|
||
if (!a0SegmentActivities.containsKey(segmentId)) {
|
||
return lessonById(lessonId).vocabulary;
|
||
}
|
||
return a0SegmentVocabulary[segmentId] ?? const <VocabularyItem>[];
|
||
}
|
||
|
||
/// One practical rule per seed lesson. These are reminders for using a sentence
|
||
/// in context, not abstract grammar lectures.
|
||
const a0GrammarNotes = <String, String>{
|
||
'a0-01': '介绍自己时，把名字放在 I’m 后面：I’m Mia. 不需要先学复杂时态。',
|
||
'a0-02': 'My name is 后面接名字；拼读时每个字母之间稍微停顿。',
|
||
'a0-03': '说状态用 I’m + 状态：I’m good / okay / tired。',
|
||
'a0-04': '报号码时数字一个一个说：one-three-eight，不要当成一百三十八。',
|
||
'a0-05': '问物品用 What’s this?；回答用 It’s a + 物品。',
|
||
'a0-06': '说地点用 I’m from + 地点：I’m from Hong Kong。',
|
||
'a0-07': '介绍人用 This is my + 人：This is my mother。',
|
||
'a0-08': '星期和整点都可用 It’s：It’s Monday. / It’s three o’clock。',
|
||
'a0-09': '说喜好用 I like + 东西；一般问句用 Do you like + 东西?',
|
||
'a0-10': '礼貌请求以 Please 开头：Please say that again.',
|
||
};
|
||
|
||
String grammarNoteForLesson(String id) => a0GrammarNotes[id] ?? '';
|
||
|
||
const a0SegmentGrammarNotes = <String, String>{
|
||
'a0-04-a': '数字单独说就可以：zero, one, two。每个词之间稍微停顿。',
|
||
'a0-04-b': '认物品可以说 It is a phone. 口语里也常说 It’s a phone.',
|
||
'a0-04-c': '报号码时一个数字一个数字说：one-three-eight，不把它读成一百三十八。',
|
||
'a0-08-a': '问星期用 What day is it?；回答用 It is / It’s + 星期。',
|
||
'a0-08-b': '星期四到星期日也沿用 It is / It’s + 星期这个句型。',
|
||
'a0-08-c': '说整点用 It is / It’s + 数字 + o’clock，例如 It’s three o’clock。',
|
||
};
|
||
|
||
String grammarNoteForSegment(String segmentId, String lessonId) =>
|
||
a0SegmentGrammarNotes[segmentId] ?? grammarNoteForLesson(lessonId);
|
||
|
||
bool matchesSegmentDialogue(String segmentId, int stage, String response) {
|
||
final text = response.toLowerCase().replaceAll('’', "'");
|
||
final segment = a0LessonSegments.values
|
||
.expand((segments) => segments)
|
||
.where((item) => item.id == segmentId)
|
||
.firstOrNull;
|
||
if (segment == null || stage >= segment.dialogueRequiredTerms.length) {
|
||
return false;
|
||
}
|
||
bool hasAny(Iterable<String> terms) =>
|
||
terms.any((term) => text.contains(term));
|
||
// A phone-number report needs both the reporting frame and at least one
|
||
// spoken digit. Other segment turns need one reviewed, task-specific term.
|
||
if (segmentId == 'a0-04-c' && stage == 0) {
|
||
return text.contains('my number is') &&
|
||
hasAny(segment.dialogueRequiredTerms[stage].skip(1));
|
||
}
|
||
return hasAny(segment.dialogueRequiredTerms[stage]);
|
||
}
|
||
|
||
bool matchesSegmentIndependent(String segmentId, String response) {
|
||
final text = response.toLowerCase().replaceAll('’', "'");
|
||
final segment = a0LessonSegments.values
|
||
.expand((segments) => segments)
|
||
.where((item) => item.id == segmentId)
|
||
.firstOrNull;
|
||
if (segment == null) return true;
|
||
if (segmentId == 'a0-04-a' || segmentId == 'a0-04-b') {
|
||
final count = segment.independentRequiredTerms
|
||
.where((term) => text.contains(term))
|
||
.length;
|
||
return count >= 3;
|
||
}
|
||
if (segmentId == 'a0-04-c') {
|
||
return segment.independentRequiredTerms
|
||
.where((term) => text.contains(term))
|
||
.length >=
|
||
3;
|
||
}
|
||
return segment.independentRequiredTerms.any((term) => text.contains(term));
|
||
}
|
||
|
||
class LessonDialogue {
|
||
const LessonDialogue({
|
||
required this.goal,
|
||
required this.prompts,
|
||
required this.hints,
|
||
this.translations = const [],
|
||
});
|
||
final String goal;
|
||
final List<String> prompts;
|
||
final List<String> hints;
|
||
final List<String> translations;
|
||
}
|
||
|
||
const a0Dialogues = <String, LessonDialogue>{
|
||
'a0-01': LessonDialogue(
|
||
goal: '问候、介绍姓名并回应见面问候',
|
||
prompts: [
|
||
'Hi! I’m Mia. What’s your name?',
|
||
'Nice to meet you. Say: Nice to meet you, too.',
|
||
'Great! Say hello one more time.',
|
||
'Now ask me my name!',
|
||
],
|
||
hints: [
|
||
'I’m Alex.',
|
||
'Nice to meet you, too.',
|
||
'Hello!',
|
||
'What’s your name?',
|
||
],
|
||
translations: [
|
||
'嗨！我是 Mia。你叫什么名字？',
|
||
'很高兴认识你。请说：Nice to meet you, too（我也很高兴认识你）。',
|
||
'太棒了！再打一次招呼吧。',
|
||
'现在请问我的名字！',
|
||
],
|
||
),
|
||
'a0-02': LessonDialogue(
|
||
goal: '介绍姓名并完整拼读名字',
|
||
prompts: [
|
||
'Hi! What’s your name?',
|
||
'How do you spell that?',
|
||
'Thank you. Spell it one more time.',
|
||
'Now ask me my name!',
|
||
],
|
||
hints: ['My name is Alex.', 'A-L-E-X.', 'A-L-E-X.', 'What’s your name?'],
|
||
translations: [
|
||
'嗨！你叫什么名字？',
|
||
'那个怎么拼写？',
|
||
'谢谢。请再拼写一次。',
|
||
'现在请问我的名字！',
|
||
],
|
||
),
|
||
'a0-03': LessonDialogue(
|
||
goal: '询问状态、回答并反问',
|
||
prompts: [
|
||
'Hi! How are you today?',
|
||
'Good! Ask me: How are you?',
|
||
'I’m okay. Say your state one more time.',
|
||
'Now say goodbye!',
|
||
],
|
||
hints: ['I’m good, thanks.', 'How are you?', 'I’m okay.', 'Bye!'],
|
||
translations: [
|
||
'嗨！你今天好吗？',
|
||
'很好！请问我：How are you（你好吗）？',
|
||
'我还好。请再说一次你的状态。',
|
||
'现在请说再见！',
|
||
],
|
||
),
|
||
'a0-04': LessonDialogue(
|
||
goal: '报告一个虚拟三位号码并确认',
|
||
prompts: [
|
||
'What’s your phone number? Use a fake three-digit number.',
|
||
'I heard one-three-eight. Is that right?',
|
||
'Please say the three numbers again.',
|
||
'Now ask me for my number!',
|
||
],
|
||
hints: [
|
||
'My number is one-three-eight.',
|
||
'Yes.',
|
||
'One-three-eight.',
|
||
'What’s your phone number?',
|
||
],
|
||
translations: [
|
||
'你的电话号码是多少？可以使用一个虚拟的三位数字。',
|
||
'我听到了 1-3-8。对吗？',
|
||
'请再说一遍这三个数字。',
|
||
'现在请问我的电话号码！',
|
||
],
|
||
),
|
||
'a0-05': LessonDialogue(
|
||
goal: '询问并说出一个物品',
|
||
prompts: [
|
||
'What’s this? It is a pen.',
|
||
'Now say: It’s a pen.',
|
||
'Ask me: What’s this?',
|
||
'Great! Say one more object.',
|
||
],
|
||
hints: ['It’s a pen.', 'It’s a pen.', 'What’s this?', 'It’s a book.'],
|
||
translations: [
|
||
'这是什么？这是一支笔。',
|
||
'现在请说：It’s a pen（这是一支笔）。',
|
||
'请问我：What’s this（这是什么）？',
|
||
'太棒了！再说一个物品吧。',
|
||
],
|
||
),
|
||
'a0-06': LessonDialogue(
|
||
goal: '说来自哪里并反问',
|
||
prompts: [
|
||
'Where are you from?',
|
||
'Nice! Ask me: Where are you from?',
|
||
'Say where you are from one more time.',
|
||
'Say goodbye!',
|
||
],
|
||
hints: [
|
||
'I’m from Hong Kong.',
|
||
'Where are you from?',
|
||
'I’m from Hong Kong.',
|
||
'Bye!',
|
||
],
|
||
translations: [
|
||
'你来自哪里？',
|
||
'很好！请问我：Where are you from（你来自哪里）？',
|
||
'请再说一次你来自哪里。',
|
||
'请说再见！',
|
||
],
|
||
),
|
||
'a0-07': LessonDialogue(
|
||
goal: '介绍一位家人或朋友',
|
||
prompts: [
|
||
'Who is this?',
|
||
'Good. Say: This is my mother.',
|
||
'Ask me: Who is this?',
|
||
'Introduce one person again.',
|
||
],
|
||
hints: [
|
||
'This is my mother.',
|
||
'This is my mother.',
|
||
'Who is this?',
|
||
'This is my friend.',
|
||
],
|
||
translations: [
|
||
'这是谁？',
|
||
'很好。请说：This is my mother（这是我的妈妈）。',
|
||
'请问我：Who is this（这是谁）？',
|
||
'请再介绍一个人。',
|
||
],
|
||
),
|
||
'a0-08': LessonDialogue(
|
||
goal: '说明星期或整点',
|
||
prompts: [
|
||
'What day is it today?',
|
||
'What time is it?',
|
||
'Say one full time sentence.',
|
||
'Now ask me the day!',
|
||
],
|
||
hints: [
|
||
'It’s Monday.',
|
||
'It’s three o’clock.',
|
||
'It’s three o’clock.',
|
||
'What day is it?',
|
||
],
|
||
translations: [
|
||
'今天星期几？',
|
||
'现在几点了？',
|
||
'请说一个完整的时间句子。',
|
||
'现在请问我今天是星期几！',
|
||
],
|
||
),
|
||
'a0-09': LessonDialogue(
|
||
goal: '表达喜好、回答和反问',
|
||
prompts: [
|
||
'What do you like?',
|
||
'Do you like tea?',
|
||
'Now ask me what I like.',
|
||
'Say your like one more time.',
|
||
],
|
||
hints: ['I like tea.', 'Yes, I do.', 'Do you like tea?', 'I like tea.'],
|
||
translations: [
|
||
'你喜欢什么？',
|
||
'你喜欢茶吗？',
|
||
'现在请问我喜欢什么。',
|
||
'请再说一次你的喜好。',
|
||
],
|
||
),
|
||
'a0-10': LessonDialogue(
|
||
goal: '请求重复或放慢语速，并完成基础沟通',
|
||
prompts: [
|
||
'Say: Please say that again.',
|
||
'Say: Please speak slowly.',
|
||
'Now ask me your name or where I am from.',
|
||
'Say one thing you like.',
|
||
],
|
||
hints: [
|
||
'Please say that again.',
|
||
'Please speak slowly.',
|
||
'What’s your name?',
|
||
'I like tea.',
|
||
],
|
||
translations: [
|
||
'请说：Please say that again（请再说一遍）。',
|
||
'请说：Please speak slowly（请说慢一点）。',
|
||
'现在请问我的名字或我来自哪里。',
|
||
'请说一件你喜欢的事物。',
|
||
],
|
||
),
|
||
};
|
||
|
||
const a0SegmentDialogues = <String, LessonDialogue>{
|
||
'a0-04-a': LessonDialogue(
|
||
goal: '听辨并说出 0 到 5',
|
||
prompts: ['Say zero, one, two.', 'Now say three, four, five.'],
|
||
hints: ['zero, one, two', 'three, four, five'],
|
||
translations: ['请说 zero, one, two（0，1，2）。', '现在请说 three, four, five（3，4，5）。'],
|
||
),
|
||
'a0-04-b': LessonDialogue(
|
||
goal: '听辨 6 到 10 并认识 phone',
|
||
prompts: ['Say six, seven, eight.', 'What is this? Say: It is a phone.'],
|
||
hints: ['six, seven, eight', 'It is a phone.'],
|
||
translations: ['请说 six, seven, eight（6，7，8）。', '这是什么？请说：It is a phone（这是一部手机）。'],
|
||
),
|
||
'a0-04-c': LessonDialogue(
|
||
goal: '询问并报告三位号码',
|
||
prompts: ['What is your phone number?', 'Say a three-digit number again.'],
|
||
hints: ['My number is one-three-eight.', 'one-three-eight'],
|
||
translations: ['你的电话号码是多少？', '请再说一次三位数字。'],
|
||
),
|
||
'a0-08-a': LessonDialogue(
|
||
goal: '询问并说出星期一到三',
|
||
prompts: ['What day is it?', 'Say Monday, Tuesday, or Wednesday.'],
|
||
hints: ['What day is it?', 'It is Monday.'],
|
||
translations: ['今天星期几？', '请说 Monday, Tuesday, 或 Wednesday（周一、周二或周三）。'],
|
||
),
|
||
'a0-08-b': LessonDialogue(
|
||
goal: '说出星期四到日',
|
||
prompts: ['What day is it?', 'Say Thursday, Friday, Saturday, or Sunday.'],
|
||
hints: ['What day is it?', 'It is Friday.'],
|
||
translations: ['今天星期几？', '请说 Thursday, Friday, Saturday, 或 Sunday（周四、周五、周六或周日）。'],
|
||
),
|
||
'a0-08-c': LessonDialogue(
|
||
goal: '询问并说出整点',
|
||
prompts: ['What time is it?', 'Say one full time sentence.'],
|
||
hints: ['What time is it?', 'It is three o’clock.'],
|
||
translations: ['现在几点了？', '请说一个完整的时间句子。'],
|
||
),
|
||
};
|
||
|
||
LessonDialogue dialogueByLessonId(String id) => a0Dialogues[id]!;
|
||
|
||
LessonDialogue dialogueBySegmentId(String segmentId, String lessonId) =>
|
||
a0SegmentDialogues[segmentId] ?? dialogueByLessonId(lessonId);
|