题目内容
1.It is by no means clear the president can do to end the strike.( )A. | how | B. | which | C. | that | D. | what |
分析 总统会做什么来结束这场罢工根本不清楚.
解答 题干中by no means表示"绝不"相当于一个否定词.所以题干就可以简化为句型"it+be (not)+adj.+引导词+从句",即it 为形式主语的主语从句.简化从句,去掉目的状语to end the strike后,可以很清楚地看出从句中谓语动词do后缺少宾语,即所要填的引导词充当宾语成分.在主语从句中how充当方式状语,that不充当成分,A和C都可直接排除.which和what虽然都可以充当宾语,但它们的区别就在于,which表示有范围的选择"哪一个",而what没有范围表示"什么".根据句意,该题没有可供选择的范围,故排除B,所以选择D.
点评 此题考查主语从句中引导词的选择.解题时,一分析句子成分,二完善句子意思.that不作成分,没有意思;whether/if(是否)不作成分;what(什么),which(哪一个)作主语,宾语、表语和定语;who(谁)作主语,表语;whom(谁)作宾语;how(如何,怎样)when(什么时候)where(什么地点)why(为什么)作状语.等等
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