Some students even have no idea of they are studying, so they waste much time playing.A.whatB.whenC.

题目简介

Some students even have no idea of they are studying, so they waste much time playing.A.whatB.whenC.

题目详情

Some students even have no idea of          they are studying, so they waste much time playing.
A.whatB.whenC.whyD.where
题型:单选题难度:偏易来源:不详

答案

C

试题分析:考查宾语从句:句意:一些学生甚至不知道为什么学习,因此浪费了很多时间玩。可知用why连接宾语从句,what在宾语从句中做主宾表,这个宾语从句中不缺主宾表,BD选项意思不符合。选C。
点评:宾语从句属于名词性从句一种,名词性从句分为主语、宾语、表语、同位语从句四种,除宾语从句外,同位语从句和定语从句的区别是高考常考点。宾语从句中的连接词that, whether, if在句中不充当任何成分,只起连接作用;连接代词who(ever), which(ever), whom(ever),whose(ever),what(ever)在句中做主语,宾语,表语和定语;连接副词when, why, where, how,在句中做状语。应从上下句的句法关系着手分析,切不可‘望句形生答案’总的来说,考生在解答此类题型时,可用排除法,造句法或者还原法,造句法就是仿造原句的语法功能仿造出一个易懂易理解的句子,帮助判断。

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