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(2013·高考新课标全国卷Ⅰ)There’s no way of knowing why one man makes an important discovery________another manalso intelligentfails.

Asince     Bif

Cas Dwhile

 

D

【解析】D。本题考查从属连词和并列连词的区别。句意:不清楚为什么一个人会有重大发现,而另外一个同样聪明的人却失败了。根据句意断定,该题的空格处需要填入一个并列联词。乍一看,这四个连词似乎都是从属连词,都不能填入句中。殊不知,在实际的语言运用过程中,while还具有并列连词的属性,表示转折和对比,正好符合句式结构和语意逻辑。故答案选D。其他三个选项都没有这种属性和功能,所以可以排除。

 

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