Some students even have no idea of          they are studying, so they waste muc

Some students even have no idea of          they are studying, so they waste muc

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

答案
C
解析

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。
举一反三
The tourists can not help wondering ______ the ancient people could manage to complete the magnificent building without modern equipment.
A.thatB.howC.whereD.what

题型:不详难度:| 查看答案
----Why did you get so angry with Tom then?
----I had been waiting for _____ seemed for ages before he finally turned up.
A.thatB.whichC.whatD.when

题型:不详难度:| 查看答案
Knowledgeable as he is, the expert was unwilling to offer advice to ______ he thought was not qualified.
A.whoeverB.whoC.whomD.which

题型:不详难度:| 查看答案
One should stick to ______one has begun.
A.whatB.whereC.whateverD.no matter what

题型:不详难度:| 查看答案
After a short rest, he came back to_______ he had stopped and continued reading.
A.whereB.whichC.in whichD.that

题型:不详难度:| 查看答案
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