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名词性从句练习题(含答案)

名词性从句练习题(含答案)一、名词性从句1.______ has caused great confusion is ______ he made it without anyone else's help. A. What; that. B. What; how. C. It; how. D. It; that.【答案】 B【解析】【分析】句意:让人极大困惑的是他如何在没有别人帮助的情况下做到这一点的。

表示“让人困惑的事情”用what引导主语从句,表示“如何做到的”用how表方式,引导表语从句。

故选B.【点评】考查名词性从句,本题涉及what引导的主语从句和how引导的表语从句。

2. is even more important is the earth cooled down, water began to appear on its surface.A. When; that; whenB. What; whether; asC. What; that; asD. lt; whether; as 【答案】 C【解析】【分析】这题考查从句的用法,第一空填what引导主语从句,在主语从句中what做主语,第二空填that引导表语从句,在表语从句中,as是引导时间状语从句,句意是:甚至更重要的是:随着地球的冷却,水开始出现在表面。

选C。

3._______ are playing an important part is well known to us all.A. That whoB. Those whoC. Who thatD. Who【答案】 D【解析】【分析】考查主语从句。

句意:谁起着重要作用,这是众所周知的。

主语从句缺少引导词,从句缺少主语,故选D。

4.Has it been announced ______?A. when are the planes to take offB. that are the planes to take offC. where are the planes to take offD. when the planes are to take off【答案】 D【解析】【分析】句意: 飞机什么时候起飞已经宣布了吗?此处是when引导的主语从句,且要用陈述句语序,故选D。

【点评】考查名词性从句,it作形式主语,关系副词when引导的从句作真正的主语。

5.--- made her ashamed of herself?--- the lowest mark in her class.A. What; Because she gotB. Was it what; GettingC. What was it that; That she gotD. What was it that; Get【答案】 C【解析】【分析】句意:——是什么让她对她自己感到羞愧?——是她获得了她班上的最低分让她惭愧。

A中的what是句子的主语,但是because引导的从句不作主语,是原因状语从句,故排除;B的第一空是错误形式,故排除;C、D两项的第一个选项是一样的,说明第一个题干是一个强调句型,特殊疑问句下的强调句型,有what引导;第二个空是对what的回答,因为what是上一句的主语,That she got the lowest mark in her class是从句,可以作主语;而D项的get是动词原形,不能作主语,故答案为C。

【点评】考查强调句型的使用和对特殊疑问句的回答,注意问什么回答什么,也就是说疑问词what是句子的主语,回答的内容也需要在句子中能作主语。

6.____ made me more unhappy was ___ the boy asked my friend to be his girlfriend and she agreed.A. What; thatB. That ; thatC. What; whetherD. It; that【答案】 A【解析】【分析】句意:让我更不高兴的是那个男孩要求我的朋友做他的女友,她同意了。

第一空填what,它一方面在句子中引导主语从句,另一方面又在主语从句中作主语;第二空用that引导表语从句且从句中不缺成分,表示对前面情况的说明。

故选A。

【点评】考查了名词性从句,本题涉及what引导的主语从句以及that引导的表语从句。

7.It is a rule in his family that _______ comes home first should cook the dinner.A. anybodyB. whoC. whoeverD. who that【答案】 C【解析】【分析】句意:在他的家里有个规定,就是先到家的人要先做饭。

whoever 有两个词义:1no matter who,在这种用法时引导一个让步状语从句;2anybody that,在这种用法时,它连接一个名词性从句,在本题中它连接的是主语从句。

这里就是第二个用法。

所以选C。

8._______ you don't like him is none of my business.A. WhatB. WhoC. ThatD. Whether【答案】 C【解析】【分析】句意:你不喜欢他,跟我没有什么关系。

you don't like him为主语从句,其内容已经是完整的,所以用that,且引导主语从句的that不能省略。

9.________ we may find interesting is that it usually takes more to be polite.A. ThatB. WhatC. WhichD. /【答案】 B【解析】【分析】句意:我们可能会发现有趣的是通常需要更多的礼貌。

此处是主语从句做主语,从句没有引导词,缺少宾语,故答案为B。

【点评】考查名词性从句,本题涉及what引导的主语从句的应用。

10.____________ matters most in learning English is enough practice.A. WhyB. ThatC. WhichD. What【答案】 D【解析】【分析】句意:学习英语中最重要的是有足够的练习。

A. why为什么;B. that引导名词性从句只起引导词作用,不充当成分;C. which哪一个;D. What什么。

根据语境用what引导主语从句,并在句中做主语。

故答案选D。

【点评】考查主语从句的引导词。

主语从句属于名词性从句的一种,填哪个连接词要分析从句缺少什么成分,然后确定所选的词。

11.________ his failure lies is expected ________ clear to us.A. What… to makeB. How… madeC. W here… to be madeD. Why… making【答案】C【解析】【分析】句意:他的失败之处有可能被我们弄清楚。

分析句子可知,主语从句中的lie为不及物动词,所以主句中缺少状语,因此填where。

expect sth.to do.固定短语,“期望某事发生”,sth. be expected to do.意为”某事有可能发生“。

make sth. clear to sb为固定搭配,意为“向某人阐明某事,使某人弄清某事”。

本句中make的宾语是where his failure lies 是被弄清楚,要用动词不定式的被动形式。

因此选C。

【点评】考查名词性从句及固定搭配,本题涉及主语从句和固定短语expect sth.to do.12.______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him.A. That; that; whichB. What; that; whatC. That; because; thatD. What; because; which 【答案】 B【解析】【分析】句意:珍妮最兴奋的是对他来说似乎是最困难的考试,她终于成功了。

______excited Jenny most是主语从句,从句中缺少主语,因此用关系代词what ;_____ she finally succeeded in ...是表语从句,从句中不缺少成分,因此用引导词that;______seemed to be the most difficult exam to him.是宾语从句,从句中缺少主语,因此用关系代词what ,故选B。

【点评】考查名词性从句,本题涉及主语从句,表语从句和宾语从句。

13._______is known to us all is that Johnson broke his promise ______ he would come to helpme as soon as possible.A. It; thatB. What; thatC. As; whichD. What; which【答案】 B【解析】【分析】句意:我们都知道,Johnson违背了他会尽快来帮助我的诺言。

分析句子结构可知,第一空为主语从句,从句中缺少主语,所以用what,第二空为同位语从句,从句结构完整,所以用that解释promise的内容,故选B。

【点评】考查名词性从句,本题涉及主语从句和同位语从句。

14.___ surprised me most was ____the girl passed the driver test.A. That; thatB. What; howC. What; thatD. That; why【答案】 C【解析】【分析】句意:最让我吃惊的是那个女孩通过了驾驶考试。

___ surprised me most是一个主语从句,从句中缺少主语,故填what;____the girl passed the driver test 是一个表语从句,句中不缺少成分,故填that。

因此选C。

【点评】考查名词性从句,本题涉及what引导的主语从句和that引导的表语从句。

15._________ is known to all is that the earth is smaller than the sun.A. AsB. WhatC. ItD. Which【答案】 B【解析】【分析】句意:众所周知,地球比太阳还小。

复合句的主语是一个名词性从句,从句没有引导词和主语,表示“所……的(事)”,故用what引导,其双重作用,故选B。

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