______ to nuclear radiation, even for a short time, may influence genes in human - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

______ to nuclear radiation, even for a short time, may influence genes in human bodies.

A．Exposed

B．Being exposed

C．To expose

D．Having exposed

答案

解析

试题分析：考查动名词做主语，分析句子成分发现even for a short time, 是插入语，may influence是谓语，前面的部分应该是主语，be exposed to“暴露于”，要用动名词Being exposed to，句意是：暴露于核辐射中甚至很短时间都会影响人体的基因。选B。
点评：做题时要会发现句子结构，如果有插入语可以先忽略，判断所填部分是什么成分，还有要注意是主动还是被动。

核心考点

试题【______ to nuclear radiation, even for a short time, may influence genes in human】；主要考察你对现在分词等知识点的理解。[详细]

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