问题 选择题

Water, which seems so simple and common, is ______ makes life possible.

A.what

B.that

C.which

D.how

答案

答案:A

题目分析:考查表语从句:句意:看似简单普通的水,是使得生命可能的东西。Is后面是表语从句,表语从句缺少主语,用what。选A。

点评:连接表语从句的连接词有:that, what, who, when, where, which, why, whether, how, whoever,whomever,whichever ,whatever等。还有如because, as if, as though等。解答这类题目,关键在于分析清楚句子结构。通过判断引导词在从句中所作的成分及意义,来选择正确的引导词。

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