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【题目】There’s no way of knowing why one man makes an important discovery __________ another man, also intelligent, fails.

A.whileB.whenC.whereD.why

【答案】A

【解析】

考查并列连词。句意:没有办法知道,为什么一个人能做出重大发现而另外一个一样聪明的人却不能。A. while当……的时候,然而;B. when当……的时候;C. where 哪儿;D. why为什么。根据句意,one mananother man之间是对比关系,应翻译为“然而”。故选A

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