There is no way of knowing why one man makes an important discovery ______ another man, also intelli

题目简介

There is no way of knowing why one man makes an important discovery ______ another man, also intelli

题目详情

There is no way of knowing why one man makes an important discovery ______ another man, also intelligent, fails.
A.sinceB.ifC.asD.while
题型:单选题难度:偏易来源:不详

答案

D               

试题分析:考查连词辨析。A. since因为;B. if 如果;C. as因为;D. while 然而。句意:无法知道为什么一个人有了一个重要发现,而另一个人,同样聪明,却失败了,”“while”是“而,却,但是”的意思,表示转折故选D项。
考点 : 考查连词辨析

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