题目内容
7.Lawrence Craven,a doctor from the USA,is the author of several published reports,one of ________ introduced the idea in 1953 _________ aspirin could reduce the risk of heart attacks.( )A. | them; when | B. | which; that | C. | what; that | D. | which; when |
分析 Lawrence Craven,一个来自美国的医生也是几个发表的报道的作家,其中之一介绍了1953年的想法--阿司匹林可以减轻心脏病的危险.
解答 答案:B
本定语从句的先行词是reports,which指代reports作为of的宾语.第二空位同位语从句,同位词是idea,that连接的从句对idea的内容进行说明.
点评 定语从句的关键在于分析句子成分,如果句子很完整就使用冠词副词;如果句子中缺少主语,宾语,表语或者定语则使用关系代词.
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