2. 外语
  3. A、If things are very small and they can’t be seen with your eyes, they must be germs. B、Germs are big enough to be seen with you

A、If things are very small and they can’t be seen with your eyes, they must be germs. B、Germs are big enough to be seen with you

admin2012-04-28  15
问题
选项 A、If things are very small and they can’t be seen with your eyes, they must be germs.
B、Germs are big enough to be seen with your eyes.
C、Very small living things that may bring illness are called germs.
答案C
解析 文章第三段第三句话指出：You can’t see them with your eyes...所以选项B是错误的。选项A指出凡是小得肉眼看不见的东西就是细菌。这个定义给得过于宽泛，没有点出细菌的特性。选项C给细菌下的定义是会造成疾病的微小生物，这个定义准确地概括了文章内容。所以正确答案是C。正确地回答这道题，需要一定的概括总结能力。
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