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新概念英语（青少版）
5B
Unit 31 By ai
Lesson 61
Lesson 61课件
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Lesson 61教案
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Lesson 61试卷
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Lesson 61学案
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章节目录
Unit 25 The record-holde
Lesson 49
Lesson 50
Unit 26 Out of the limelight
Lesson 51
Lesson 52
Unit 27 SOS
Lesson 53
Lesson 54
Unit 28 April Fools' Day
Lesson 55
Lesson 56
Unit 29 A successful operation
Lesson 57
Lesson 58
Unit 30 The last one?
Lesson 59
Lesson 60
Unit 31 By ai
Lesson 61
Lesson 62
Unit 32 The Crystal Palace
Lesson 63
Lesson 64
Unit 33 Escape
Lesson 65
Lesson 66
Unit 34 Monster or fish?
Lesson 67
Lesson 68
Unit 35 After the elections
Lesson 69
Lesson 70
Unit 36 On strike
Lesson 71
Lesson 72
Unit 37 Never too old to learn
Lesson 73
Lesson 74
Unit 38 Out of control
Lesson 75
Lesson 76
Unit 39 A perfect alibi
Lesson 77
Lesson 78
Unit 40 Trapped in a mine
Lesson 79
Lesson 80
Unit 41 A slip of the tongue
Lesson 81
Lesson 82
Unit 42 What's for supper?
Lesson 83
Lesson 84
Unit 43 Three men in a basket
Lesson 85
Lesson 86
Unit 44 Asking for trouble
Lesson 87
Lesson 88
Unit 45 A noble gift
Lesson 89
Lesson 90
Unit 46 Future champions
Lesson 91
Lesson 92
Unit 47 A fantasy
Lesson 93
Lesson 94
Unit 48 The dead return
Lesson 95
Lesson 96
