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There was a fierce debate about _____we should go on with experiments on creating new life.
A.whichB.whetherC.thatD.What
B

试题分析:考查宾语从句。 Whether we should go on with experiments on creating new life.在句中作介词about的宾语,A项中的which可以引导定语从句,指物,也可以引导名词性从句,表选择:哪一(个); B项中whether:是否,引导名词性从句; C项中的that引导定语从句,或名词性从句,无意义,只起连接作用;D项中 What表:什么,引导名词性从句。句意:有一个激烈的辩论,我们是否应该继续做关于创造新生活的实验。根据句意,选whether。
点评:首先要分清是什么样的从句,然后掌握每个连词的意义和用法。
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