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题目
题型:不详难度:来源:
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
A.whichB.thatC.whatD.whether

答案
B
解析

试题分析:考查同位语从句:句意:一些研究人员相信艾滋病的疗法肯定会被发现的。Doubt是同位词,因为是否定句,所以用that连接的是同位语从句,对doubt的内容进行说明,that不做成分,只起到连接的作用,如果是肯定句,就是用whether连接同位语从句。选B。
点评:解答这类题目,关键在于分析清楚句子结构,知道引导词的使用习惯。通过判断引导词在从句中所作的成分,来选择正确的引导词。连接同位语从句的从属连词主要有that, if, whether,和疑问词(what how where when ...)。that引导表示陈述句的同位语从句,if和whether,whether...or not引导表示“是否”的一般疑问句的同位语从句。
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试题【Some researchers believe that there is no doubt ____ a cure for AIDS will be fou】;主要考察你对倒装句等知识点的理解。[详细]
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