题目内容
6.According to a survey,homework is_____ students most often blame for their lack of sleep.( )A. | what | B. | that | C. | which | D. | why |
分析 根据一项调查,学生睡眠不足责怪最多的是家庭作业.
解答 答案:A
题干中students most often blame for their lack of sleep是充当is的表语,是一个表语从句;从句中blame缺少宾语,要用连接代词;which在名词性从句中表示有范围的选择,句意表达的是具体的内容,不是选择.故选A.
点评 在句子中起名词作用的各种从句统称为名词性从句.根据它们在句中的语法作用,这类从句又可分为主语从句、同位语从句、表语从句和宾语从句. 本题中what在主语从句中起连接作用,同时又充当了从句的主语.
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