It is uncertain ___ side effects these weight-loss drugs will bring about, altho - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.

A．that

B．whether

C．how

D．what

答案

解析

考查主语从句的连接词。本题的it是形式主语。真正的主语是后面的从句，因为side effects是名词短语，所以使用what进行强调。结合句意可知D正确。句意：尽管很多病人已经服用它了，但这种减肥药会有什么样的副作用还不确定。

核心考点

试题【It is uncertain ___ side effects these weight-loss drugs will bring about, altho】；主要考察你对连词等知识点的理解。[详细]

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