复习专题名词性从句易错题一、初中英语名词性从句1._________ 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。
【点评】考查名词性从句,本题涉及what引导的主语从句。
2. is clear to the members of the committee is that the President will not give in to their demands.A. WhoB. ItC. AsD. What【答案】 D【解析】【分析】句意:委员会成员清楚的是,总统不会向他们的要求让步。
that the President will not give in to their demands.这个句子作表语; is clear to the members of the committee这是主语从句,这里缺少主语从句的连接词,并且连接词在句中作主语,it是代词,不是了;连接词,故排除B;as作主语时,是在定语从句中,故排除C;who指人,根据表语指的事情,不是人,故排除A;what在主语从句中可以作主语或宾语,指事,符合句意,故选D。
【点评】考查名词性从句,本题涉及what引导的主语从句。
3.________ is known to us all that the old scientist, for ________ life was hard in the past, still works hard in his eighties.A. As; whoseB. It; whoseC. As; whomD. It; whom【答案】 D【解析】【分析】句意:我们都知道,那位老科学家,过去生活很艰苦,到了八十多岁还在努力工作。
第一空it is known to us all that…是个固定句型,意为“众所周知…”;第二空为介词+关系代词引导的定语从句,先行词the old scientist指人,作介词for的宾语,只能用whom,故选D。
【点评】考查名词性从句和定语从句,本题涉及固定句式it is known to us all that…和whom引导的限制性定语从句。
4._______ 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。
5.______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.A. WhichB. WhatC. ItD. As【答案】 C【解析】【分析】句意:医疗保健的进步将促进一个更强大、更繁荣的经济,这是我们的信念。
that引导的是主语从句,故空格处应该用it作形式主语,代替真正的that引导的主语从句。
故答案选C。
【点评】考查it的用法,以及主语从句的应用。
6.________ his failure lies is expected ________ clear to us.A. What… to makeB. How… madeC. Where… 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.7.________ manners are very important in every country is known to all,but the trouble is that different countries have different ideas about ________ good manners are.A. That; whatB. That; thatC. What; thatD. What; what【答案】 A【解析】【分析】句意:众说周知,礼貌在每一个国家中都是非常重要的,但是麻烦是,不同的国家对于什么是良好的礼貌有着不同的认识。
逗号前有两个谓语动词,一个是are,一个是is known,故是两句话,需填连词连接这两句话,根据句意可知,前面是主语从句,故填that,此处的that,只起连接作用不作任何成分。
about是介词,其后是个句子故应填连词把这两句话连接起来,所缺词作are的表语,故填what。
因此选A。
【点评】考查名词性从句,本题涉及that引导的主语从句和what引导的宾语从句。
8._______is known to us all is that Johnson broke his promise ______ he would come to help me 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。
9.It was he said disappointed me.A. that; whatB. what; thatC. that; whichD. which; that【答案】 B【解析】【分析】句意:正是他说的话让我很失望。
这是一个强调句型,"it is/was that..."是固定搭配,"what he said"是被强调部分, 你可以发现去掉"it was that"后, 句子仍然完整。
"what he said"做主语,主语从句中"said"缺宾语用what补足,故选B。
【点评】考查主语从句的强调形式。
10.—What impresses you most when you visit the Acropolis ?— ________ it is that has brought the grand palace into today's terrible scene.A. WhereB. WhatC. HowD. When【答案】 B【解析】【分析】句意:——当你参观雅典卫城时,你印象最深的是什么?——使我印象最深的是什么将从前宏伟的宫殿变成了今天惨不忍睹的样子。
强调句型的特殊疑问句式:疑问词(如what) is it that+其它,本句强调的是什么使得从前宏伟的宫殿蜕变的,所以用表示内容的what,选B【点评】考查主语从句和强调句,本题强调主语从句的引导词。
11.I never doubt .A. whether this song is worth listening toB. if this song is worth listeningC. that this song is worth listeningD. that this song is worth listening to【答案】 D【解析】【分析】句意:我从来没有怀疑这首歌值得去听。
根据句子结构分析,本句是宾语从句,根据主句I never doubt,可知从句是陈述句,故排除A 和B,又因为listen to为固定搭配,故选D。
【点评】考查宾语从句。
注意识记宾语从句的用法。
12.______ 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。
13. is obviously right is to give all children equal opportunities to develop their special gift.A. WhichB. AsC. ThatD. What【答案】 D【解析】【分析】句意:明显正确的做法就是给所有的孩子提供平等发展特殊才能的机会。
连接词引导一个主语从句,并在主语从句中做句子的主语,故选D。
【点评】考查名词性从句,本题涉及what引导的主语从句。
14. ---- Let's send him home. Do you know _________?---- I have no idea.A. where does he liveB. where he livesC. he where livesD. he lives where【答案】 B【解析】【分析】句意:----让我们把他送回家。
你知道他住在哪里吗?----我不知道。
宾语从句就是一个句子作动词或介词的宾语。
宾语从句由特殊疑问句变来就用原来的疑问词作引导。
在宾语从句中只能使用陈述句语序,不能用疑问句语序。