Lesson 33 Education 教育 First listen and then answer the following question. 听录音，然后回答以下 ...

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Lesson 32 Galileo reborn 伽利略的复生 First listen and then answer the following question. 听录音， ...

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Lesson 31 The sculptor speaks 雕塑家的语言 First listen and then answer the following question. 听 ...

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Lesson 29 The hovercraft 气垫船 First listen and then answer the following question. 听录音，然后回 ...

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Lesson 30 Exploring the sea-floor 海底勘探 First listen and then answer the following question. 听 ...

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Lesson 27 The 'Vasa' “瓦萨”号 First listen and then answer the followin ...

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Lesson 25 Non-auditory effects of noise 噪音的非听觉效应 First listen and then answer the following ...

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Lesson 26 The past life of the earth 地球上的昔日生命 First listen and then answer the following qu ...

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Lesson 28 Patients and doctors 病人与医生 First listen and then answer the following question. 听录 ...

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Lesson 24 Beatuy 美 First listen and then answer the following question. 听录音，然后回答以下问题。 ...

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ACT IIIGood morning. 早安。What a wonderful morning! 多么美好的早晨！Don't the flowers smell wonderf ...

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ACT IWhere's Mom? 妈妈呢?She went to a school-board meeting. 她去参加联合校董事会会议了。I don't kno ...

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ACT IIAnd now for ... something old, 现在接着是……一些旧的，something new, somethin ...

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ACT IIHere are the fliers, hot off the press! 传单来了, 刚刚印出来!Looks good. 看起来很好。Simple. ...

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ACT III... my slogan is "I care." ……我的口号是 “我关心&rdq ...

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ACT IIITwo weeks. I said I could do it in two weeks, and I did it. 两周。我说过我两周就能完成,现在我 ...

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ACT II don't believe it! 我简直难以相信!What's wrong? 怎么了?Carter Boswell! Carter Boswell !Who's C ...

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ACT IIIWhat's this? 这是什么？Read it. 读出来吧。I can't. 我不敢读。Would you read it, Marilyn? 请你 ...

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ACT IIDo you like the dress? 你喜欢这套衣服？I love it. 我喜欢。I designed it myself. 这是我自己设计 ...

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ACT IIYou ready for the next problem? 你准备好做下一道题吗?You know what? 知道吗?I can't look at ano ...

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