问题 选择题

My uncle has a lot of books, _______ are about computer science and technology.

A.most of them

B.most of that

C.most of which

D.and most of which

答案

答案:C

题目分析:考查定语从句。本题定语从句的先行词是a lot of books,定语从句中which指代先行词作为of的宾语。That不能放在介词的后面,them不能引导定语从句。D项中因为有了and说明是一个并列结构。which应该改为them。故C正确。

点评:定语从句的解题关键是分析句子成分,关系代词that, which, whose, whom, as, who在句中做主语,宾语,表语或者定语;where, why, how在句中做状语。要分析句子成分,看缺少什么成分,就选用相应的关系词。

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