题目内容
At the root of volunteering is the idea ________ one person may have the ability to offer services that can help other people.
A. that B. what C. which D. /
A
【解析】
试题分析:考查同位语从句。idea后面的句子“one person may have the ability to offer services”不缺少成分,说明不是定语从句,what引导名词性从句作主语或宾语,which作定语,排除B、C;that引导同位语从句,对前面的名词进行补充说明,that不作句子成分但不能省略,排除D;类似的词有fact, word, news, question, suggestion, order等,故选A。
考点:考查同位语从句
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