名词性从句知识点题型经典

一、名词性从句

1．It was never clear ________ the man hadn't reported the accident sooner.

A. that

B. how

C. when

D. why

【答案】 D

【解析】【分析】句意：这名男子没有早点报告这次事故的原因根本没有搞清楚。It在句中是形式主语，真正的主语是why引导的主语从句。故选D。

【点评】考查名词性从句，本题涉及why引导的主语从句。

2．_____ is known to us all is that China has launched Shenzhou VII spaceship, ____ made the country's first spacewalk successful.

A. That; what

B. What; which

C. It; which

D. As; that

【答案】 B

【解析】【分析】句意：众所周知，中国已经发射了神州7号宇宙飞船，这是中国首次成功的太空行走。第一空处为主语从句，从句缺少主语，需用what引导；第二空所在句子是个定语从句，先行词为整个主句的内容，从句中缺少主语，需用which引导。故选B。【点评】考查名词性从句和定语从句，本题涉及主语从句和非限制性定语从句的应用。

3．While some behaviors may seem strange to you, remember you consider normal probably seems just as unusual to others.

A. it; that

B. what; that

C. that; what

D. which; that

【答案】 C

【解析】【分析】句意：虽然有些行为对你来说可能很奇怪，但请记住，你认为正常的行为对别人来说可能也不寻常。第一空为宾语从句，从句结构完整用that起连接作用，第二空为主语从句，从句中consider缺少宾语，应该用what，故选C。

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

4．Some people believe _______ has happened before or is happening now will repeat itself in the future.

A. whatever

B. whenever

C. wherever

D. no matter what

【答案】 A

【解析】【分析】句意：一些人认为之前发生的或现在正在发生的任何事情在将来都会重复发生。Whatever has happened before or is happening now是一个主语从句，whatever既引导起这个主语从句，也在句中做主语。BC项都属于副词的性质，都不能做主语，通常只能做状语；no matter what只能用来引导状语从句，故选A。

【点评】考查名词性从句，本题涉及"特殊疑问词+ever"引导的主语从句。

5．--- made her ashamed of herself?

--- the lowest mark in her class.

A. What; Because she got

B. Was it what; Getting

C. What was it that; That she got

D. 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．Locat ed between the 16th and the 18th floor, ______ I call my “home” is more like a “bird's nest”.

A. which

B. that

C. what

D. where

【答案】 C

【解析】【分析】考查主语从句。What引导主语从句______ I call my “home”且 What在从句中充当call的宾语。故选C。

7．____ made me more unhappy was ___ the boy asked my friend to be his girlfriend and she agreed.

A. What; that

B. That ; that

C. What; whether

D. 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。

8．________ we may find interesting is that it usually takes more to be polite.

A. That

B. What

C. Which

D. /

【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。

9．They lost their way in the forest, and ________ made matters worse was that night began to

fall.

A. that

B. it

C. what

D. which

【答案】 C

【解析】【分析】句意：他们在森林里迷路了，更糟糕的是天开始黑了。根据连词and可知，本句需要一个引导主语从句的连接词，该词同时还要能在从句里充当主语。that不能在句中作成分；it不能引导主语从句；which意为“哪一个”，不符合本句语境。排除A、B、D三项。故选C。

【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. Why

B. That

C. Which

D. 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．_______ makes me feel worried is _______ singing stars are centered on by masses of teenagers today.

A. What; what

B. That; that

C. What; that

D. That; what

【答案】 C

【解析】【分析】句意：让我感到担忧的是，今天的歌星是以青少年为中心的。分析句子可知，主语从句中的谓语动词makes 缺少主语，主语从句中缺少宾语一般用what，因此选择 what 来引导主语从句；系动词 is 后面的表语从句句意完整，不缺少成分，因此选择 that 引导表语从句。分析选项可知C项符合题意，故选C。

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

12．________ his failure lies is expected ________ clear to us.

A. What… to make

B. How… made

C. Where… to be made

D. 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.

13．_______is known to us all is that Johnson broke his promise ______ he would come to help me as soon as possible.

A. It; that

B. What; that

C. As; which

D. 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．It was he said disappointed me.

A. that; what

B. what; that

C. that; which

D. 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。

15．—What impresses you most when you visit the Acropolis ?

— ________ it is that has brought the grand palace into today's terrible scene.

A. Where

B. What

C. How

D. 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。

16．_______ has not been decided next.

A. How to do

B. What to do next

C. To do what

D. To do how

【答案】 B

【解析】【分析】句意：接下来做什么还没有决定。根据助动词has可知前面是主语，what to do为名词性从句，可做主语，故选B。

【点评】考查名词性从句，识记名词性从句做主语的用法。

17．We believe ________ you have been devoted to ________ naturally of great necessity.

A. that; being

B. all that; be

C. that all; are

D. what; is

【答案】 D

【解析】【分析】句意：我们相信你所投入的当然是非常必要的。分析句子可知，believe 后接宾语从句，宾语从句中you have been devoted to缺少宾语，表示事物故用what；what you have been devoted to为主语，从句作主语，谓语动词用单数，故选D。

【点评】考查名词性从句和主谓一致，本题涉及what引导的主语从句和一般现在时。

18．It is clever ______ you ______ out the problem.

A. for; to work

B. of; working

C. for; working

D. of; to work

【答案】D

【解析】【分析】it可指代下文内容做形式主语，其主要有两种形式：1、It's + 形容词 + of + sb + to do sth.这个句型，形容词一般为sb的所具有的一种品质性格。2、It's + 形容词+ for + sb + to do sth.这个句型,形容词不是sb所具备的品质性格。句意：能算出这道难题，你真是太聪明了。结合语境可知选D。

【点评】it是人称代词,在句子中可以做形式主语,形式宾语,这是经常考察的内容,平时应注意总结,加强练习.

19．I wonder .

A. how will you celebrate Thanksgiving

B. that the Water Festival is really fun.

C. what do people eat on the Mid-Autumn Festival

D. whether you will make resolution on New Year's Day

【答案】 D

【解析】【分析】句意：我想知道你是否将在新年做决定。A. how will you celebrate Thanksgiving你要怎样庆祝感恩节；B. that the Water Festival is really fun. 泼水节真的有趣；

C. what do people eat on the Mid-Autumn Festival中秋节人们叫什么？

D. whether you will make resolution on New Year's Day你是否会在新年做决定。Wonder后跟的是宾语从句，宾语从句要用陈述语序。A，C错了。Wonder：对……感到疑惑，想知道，后常跟一个含有“疑问”意义的宾语从句，B错。故选D。

20．You will never guess ________.

A. who am I waiting for

B. what has happened

C. how can she help me

D. where did I go

【答案】 B

【解析】【分析】句意：你永远不会猜到发生了什么事。宾语从句用陈述句语序，故A、C、D错，happen的主语是所发生的事情，其结构是：sth happen to sb，所以what has happened中what指事，是主语，句子是陈述句语序。故选B。

21．Franklin told them all to be in Britain again.

A. how happy was he

B. how happy he was

C. how was he happy

D. how he happy was

【答案】 B

【解析】【分析】句意：富兰克林告诉他们所有人他再一次来到英国是多么的开心。该句中有一个宾语从句做told的宾语，“他有多么开心”，这里是感叹句做的宾语，感叹词how+形容词+主语+谓语。故选B。

22．I know he's been curious about everything, but that's . Be patient!

A. what do kids like

B. what kids like

C. what are kids like

D. what kids are like

【答案】 D

【解析】【分析】句意：我知道他对每件事都充满好奇, 但这是小孩的样子。要有耐心。由题意知：That’s后跟的是一个表语从句, 从句要用陈述句语序, 所以A、C错了．B：what kids like 那是孩子喜欢的东西；D：what kids are like那是小孩的样子．like, 动词, 表示喜欢, 有时态变化形式；be like表示像, like是介词, like没有词形变化．对一切充满好奇是小孩的行为, 故选D。

【点评】表语从句。

23．Don't wait for people to be friendly, show them a friendly person you are.

A. what

B. how

C. when

D. where

【答案】 A

【解析】【分析】句意：不要等到人们表现友好，要向他们展示你有多么友好。感叹句式：What+a+adj+n+主语+谓语。故选A。

【点评】考查感叹句用作宾语从句。

24．It that everyone to laugh．

A. seems，loves

B. seem，love

C. seems，love

D. seem，loves

【答案】 A

【解析】【分析】句意：好像每个人都喜欢笑。It seems that...好像，似乎，that引导的主语从句，it为形式主语；love to do sth.喜欢做... 根据句意故选A 。

【点评】此题考查了seem的句型搭配,涉及到形式主语；love的短语搭配，动词不定式短语作宾语。

25．It is still unknown how AI（人工智能）_______the way of our life as well as the world.

A. change

B. changed

C. will change

D. was changing

【答案】C

【解析】【分析】句意：人工智能将会怎么改变我们的生活方式和整个世界仍旧不为人所知。It是形式主语，真正的主语是后面how引导的从句，为主语从句。主句是一般现在时态，人工智能改变世界是没有发生的事情，用一般将来时态，其结构是will + 动词原形，故选C。

【点评】考查主语从句的时态。注意主句是现在时或者将来时，从句用任何需要的时态。

26．—I'll have a ten-day holiday. But I don't know ________.

—How about Paris?

A. when to go

B. where to go

C. what to do

【答案】 B

【解析】【分析】句意：——我将有10天的假。但是我不知道去哪里？——巴黎如何？

A.when to go什么时候去，

B.where to go去哪里，

C.what to do做什么。根据后文提到去巴黎，可知是对地点提问，用where，填入where to go，故选B。

【点评】考查名词从句，注意where to go的用法。

27．That is _____we were late last time.

A. that

B. when

C. why

D. what

【答案】 C

【解析】【分析】句意：这就是上次我们为什么迟到的原因。A.没有实际意义；B.当......时候；C.为什么；D.什么。为什么迟到，用why，引导名词性从句，做表语，故选C。

【点评】考查表语从句连接词用法，注意理解句意。

28． was most important to her, she told me, was her family.

A. It

B. This

C. What

D. As

【答案】 C

【解析】【分析】句意：她告诉我对于她来说最重要的就是她的家庭。she told me是插入语，因此用what引导主语从句，在句子中作主语，故选C。

【点评】考查what引导主语从句的用法。

29．Is this school they visited the other day?

A. that

B. which

C. where

D. the one

【答案】 D

【解析】【分析】句意：这就是几天前他们参观的那间学校吗？根据 Is this school they visited the other day? ，可知主句中缺表语，应用the one指代this school；再根据they visited the other day? ，可知在the one后边紧跟的是that引导的定语从句，that句中做visit的宾语故省略。故选D。

【点评】考查表语从句和定语从句。注意关系词that在从句中做宾语时可省略。

30．_______ caused the accident has not been found out yet.

A. What

B. Which

C. The thing

D. That

【答案】 A

【解析】【分析】句意：造成事故的原因还没有查明。此处为主语从句，从句中缺少主语，应该用what引导，故答案为A。

【点评】考查主语从句。以及what的含义。