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单选题专四

2010-12-10

The average wavelength of visible light is 2,000 times________ the diameter of an atom.

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参考答案

A

答案解析

【译文】做家庭作业当然是提高考试成绩的方法，特别是对于课堂测试来说就更是如此。
考查固定句型。when it comes to“当谈及，就……而论”，故选A。

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