【判断题】【消耗次数：1】
生物多样性包含遗传多样性、物种多样性、生态系统多样性三个层次
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正确
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错误
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【判断题】
生态系统是生物与环境构成的统一的整体，生态系统的多样性包括生物种类的多样性和生活环境的多样性，因此，生态系统的多样性受到影响时，会影响生物种类的多样性和基因的多样性基因的多样性
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阅读课文II. My first days in Beijing, 判断下列句子表述内容的正误:The writer (作者) only told us that she had lost her way again and again in the article.
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阅读课文II. Department stores 判断下列句子表述内容的正误:Ties can be bought at the Womens Clothing Department.
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阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:The central idea of the text is Persuasion is better than force.
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【多选题】
A: That suit looks very good on you.B:___________ ?
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How many is it
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How much is it
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How much does it cost
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【多选题】
A: I think the boy can do it well.B:_________ .
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Certainly
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Sure
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I agree
④
Ill do it