Lesson 67 Volcanoes 火山 First listen and then answer the question. 听录音，然后回答以下问题。 Why ...

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Lesson 71 A famous clock 一个著名的大钟 First listen and then answer the question. 听录音，然后回 ...

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Lesson 66 Sweet as honey! 像蜜一样甜！ First listen and then answer the question. 听录音，然后回答 ...

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Lesson 68 Persistent 纠缠不休 First listen and then answer the question. 听录音，然后回答以下问题 ...

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Lesson 75 SOS 呼救信号 First listen and then answer the question. 听录音，然后回答以下问题。 How d ...

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Lesson 74 Out of the limelight 舞台之外 First listen and then answer the question. 听录音，然后回 ...

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Lesson 77 A successful operation 一例成功的手术 First listen and then answer the question. 听录音 ...

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Lesson 73 The record-holder 纪录保持着 First listen and then answer the question. 听录音，然后回答 ...

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Lesson 76 April Fools' Day 愚人节 First listen and then answer the question. 听录音，然后回 ...

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Lesson 78 The last one? 最后一枝吗？ First listen and then answer the question. 听录音，然后回答以 ...

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Lesson 79 By air 乘飞机 First listen and then answer the question. 听录音，然后回答以下问题。 Why ...

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Lesson 80 The Crystal Palace 水晶宫 First listen and then answer the question. 听录音，然后回答以 ...

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Lesson 81 Escape 脱逃 First listen and then answer the question. 听录音，然后回答以下问题。 Why di ...

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Lesson 82 Monster or fish? 是妖还是鱼？ First listen and then answer the question. 听录音，然后回 ...

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Lesson 83 After the elections 大选之后 First listen and then answer the question. 听录音，然后回答 ...

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Lesson 84 On strike 罢工 First listen and then answer the question. 听录音，然后回答以下问题。 Who ...

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Lesson 85 Never too old to learn 活到老学到老 First listen and then answer the question. 听录音， ...

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Lesson 87 A perfect alibi 极好的不在犯罪现场的证据 First listen and then answer the question. 听录 ...

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Lesson 90 What's for supper? 晚餐吃什么？ First listen and then answer the question. 听录音 ...

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Lesson 92 Asking for trouble 自找麻烦 First listen and then answer the question. 听录音，然后回答 ...

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