【英语】名词性从句专题(含答案)1
一、名词性从句
1．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。
2． is clear to the members of the committee is that the President will not give in to their demands.
A. Who
B. It
C. As
D. 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．In the past decade, our education system too much on grades. However, grades have a direct connection with future success is still a question.
A. focused; whether
B. focused; if
C. has focused; whether
D. has focused; if
【答案】 C
【解析】【分析】考查时态和主语从句。根据In the past decade,在最近的几十年里，可知句子用现在完成时态，our education system是句子的主语，单数形式，所以第一空填has focused；第二空是主语从句做主语，if是否，不能引导主语从句，所以第二空填whether。故选C。
【点评】主语从句主要有三类：
1）（1）由连词that引导的主语从句:引导词that无含义,在句中不做成分,不可以省。例如：That you will win the medal seems unlikely.你想获得奖牌看起来是不可能的。（2）用连词whether 引导的主语从句:whether有含义（是否）,在句中不做成分,不可以省。例如：Whether she is coming or not doesn't matter too much.她来不来都无关紧要。注意：if不能引导主语从句。
2）用连接代词引导的主语从句（在由连接代词who, whose, whom, which, what, whoever,
whomever, whichever, whatever引导的名词性从句中，其连接代词在句中起名词性作用，担当一定成分）.例如：What you need is more practice.你所需要的是更多的训练。
3）用连接副词when, where, why, how引导的名词性从句（其连接副词有含义,在句中作状语。）例如：Where we should leave it is a problem.
4．Located 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。
5．_______ you don't like him is none of my business.
A. What
B. Who
C. That
D. 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。
6．________ 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。
7．Exactly _________ the potato was introduced into Europe is uncertain, but it was probably around 1565.
A. whether
B. when
C. why
D. how
【答案】 B
【解析】【分析】句意：土豆被引进欧洲具体的事件不被确定，但是可能是在1565年左右。根据时间状语round 1565得知这里是指时间不确定。故选B。
【点评】考查名词性从句，本题涉及when引导的主语从句。
8．________ 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.
9．________ is the centre of our planetary system was a difficult concept to grasp in the Middle Ages.
A. It's the sun and not the earth
B. The sun and not the earth
C. Being the sun and not the earth
D. That the sun and not the earth
【答案】 D
【解析】【分析】句意：太阳而不是地球是我们行星系统的中心，这在中世纪是一个很难理解的概念。分析句子可知，整个句子为主系表结构，was为系动词，它之前的都为主语，且主语由句子来充当，句子结构以及句意完整，所以连词代词为that。故选D。
【点评】考查名词性从句，本题涉及that引导的主语从句。
10．He took a trip to Beijing last week and ________ he saw at the Forbidden City impressed him deeply.
A. that
B. how
C. what
D. which
【答案】 C
【解析】【分析】句意：上周他到北京旅行了，他在故宫所看到的给他留下了深刻的印象。分析句子结构可知，连词and后为一个名词性从句，因此应该使用what引导，且what在从句中作主语，故选C。
【点评】考查名词性从句，本题涉及what引导的主语从句。
11．—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。
12． is known to all is that the earth is smaller than the sun.
A. As
B. What
C. It
D. Which
【答案】 B
【解析】【分析】句意：众所周知地球比太阳小。 is known to all 是主语从句，从句中缺少主语，因此用what，选B。
【点评】考查名词性从句，本题涉及what引导的主语从句。
13．______ will be in charge of the meeting has not been decided yet.
A. What
B. Which
C. That
D. Who
【答案】 D
【解析】【分析】句意：谁将负责这次会议还没有决定。______ will be in charge of the meeting是一个主语从句，从句中缺少主语，指人，故选D。
【点评】考查名词性从句，本题涉及who引导的主语从句。
14．_____ 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。
15．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。
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． is obviously right is to give all children equal opportunities to develop their special gift.
A. Which
B. As
C. That
D. 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。
18．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。
19．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。
20．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:我知道他对一切充满好奇，但那是小孩的样子。耐心点儿。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.对一切充满好奇是小孩的行为，故选 D 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。这是中考的常考点。
21．—What are you looking for?
—My keys. I can't remember ___________.
A. where did I put them
B. what I put them
C. where I put them
D. what did I put them
【答案】 C
【解析】【分析】题意：--你正在找什么？--我的钥匙。我不记得我放在什么地方了。考查宾语从句。特殊疑问句做宾语从句应用陈述语序：特殊疑问词+主语+谓语+其他。where 什么地方，故选C。
【点评】考查学生对特殊疑问句做宾语从句的熟练应用
22．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。
23．— Doctor, it seems ______ you like to work with animals.
— Yes, we should________ animals as our friends.
A. that; regard
B. what; be regarded
C. that; be regarded
D. what; regard
【答案】 A
【解析】【分析】句意：—医生，看起来你喜欢和动物一起工作。—是的。我们应该把动物看做我们的朋友。It seems + that从句，其中it 是形式主语，that引导主语从句。Regard---as---（把------看做------）。故选A。
【点评】此题考查主语从句和固定搭配regard---as---。
24．You have spent too much time playing computer games.That's________ your eyes hurt.
A. why
B. how
C. what
D. when
【答案】 A
【解析】【分析】句意：你已经花了太多的时间玩电脑游戏。那就是为什么你眼睛疼。
why：为什么，why your eyes hurt做is的表语，how：怎样，what：什么，when：什么时候，故选A。
【点评】考查表语从句。根据语境选出恰当的连接词。
25．Pay no attention to those who laugh at you. What matters most is ________ you see yourself.
A. what
B. when
C. how
D. which
【答案】 C
【解析】【分析】句意：不要在意那些嘲笑你的人，最重要的是你如何看待你自己。本题考查表语从句，A.什么；B.当……时候；C.怎样；D.哪一个。根据句意，翻译成“如何”。故选C。
【点评】考查how引导的表语从句。
26．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。
27．—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。
28．—I fell sick!
—I think it is _______ you are doing too much.
A. why
B. when
C. what
D. because
【答案】 D
【解析】【分析】句意：——我感觉不舒服。——我认为这是因为你一直做得太多。A.为什么；B.什么时候；C.什么；D.因为。做得太多是不舒服的原因，所以用because连接，故选
D。
【点评】考查表语从句，注意理解句意。
29．Could you tell me ______ yesterday afternoon?
A. when the school sports meeting ended
B. when did the school sports meeting end
C. when the school sports meeting ends
D. when does the school sports meeting end
【答案】 A
【解析】【分析】句意：你能告诉我昨天下午学校学校运动会什么时候结束的吗？could you tell me后接宾语从句，用陈述语序，疑问词+主语+谓语，因此排除B、D；根据yesterday afternoon，昨天下午可知，此句是过去时态，故选A。
【点评】考查过去时态。注意时间状语的表达，判断出时态，选出正确答案。
30．_________ is known to all is that the earth is smaller than the sun.
A. As
B. What
C. It
D. 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。