【題目】Some scientists think that it may take years to make robots look like people.

A. hundred of

B. hundreds of

C. two hundreds

【答案】B

【解析】

試題分析:句意:一些科學(xué)家們認(rèn)為制作成看起來像人一樣的機器人可能需要數(shù)百年。英語中數(shù)詞表示不確實的數(shù)字時,后面加s,和介詞of搭配使用。用原形時表示具體數(shù)字,和數(shù)詞搭配使用。結(jié)合語境可知本句中表示的是概數(shù),故選B。

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