名词性从句知识点总结复习及练习测试题经典

一、名词性从句

1．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.

2．It has been pointed out ________ plays a vital role in driving away one's anxiety is one's sweet childhood memories.

A. what that B. which C. that D. that what 【答案】 D

【解析】【分析】句意：有人指出，驱除焦虑所起着至关重要的作用是童年美好的回忆。本句时一个主语从句，it作形式主语，真正的主语为that what plays a vital role in driving away one's anxiety is one's sweet childhood memories.，主语从句中又有一个主语从句，且此主语从句中缺少主语，所以用what引导。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．___ surprised me most was ____the girl passed the driver test.

A. That; that B. What; how C. What; that D. 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。

4． 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。

5．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。

6． is even more important is the earth cooled down, water began to appear on its surface.

A. When; that; when B. What; whether; as C. What; that; as D. 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。

7．_______ are playing an important part is well known to us all.

A. That who B. Those who C. Who that D. 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。

8．They lost their way in the forest, and ___ made matters worse was that night began to fall.

A. it B. which C. that D. what 【答案】 D

【解析】【分析】本题中含有一个主语从句what made matters worse，其中的what引导起

这个主语从句，同时在主语从句中做主语。AC两项不能引导主语从句，which在引导名词性从句的时候总是含有疑问的语义，而本句中并没有疑问的语义。句意：他们在森林里迷路了，情况更糟糕的是天又黑了。故D正确。

9．_______ 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。

10．________ 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。

11．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。

12．______ makes the school proud is ______ more than 90% of the students have been admitted to universities.

A. what; because B. that; because C. that; what D. what; that 【答案】 D

【解析】【分析】句意：让学校骄傲的是，超过90%的学生被重点大学所录取。第一空主语从句中缺少主语，指代事情，故用what;第二空为表语从句，且从句中不缺少成分，故填关系词that。故选D。

【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。

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．_____ has achieved shows _____\"one country, two systems\" principle is the best solution to the and Hongkong question, left by history.

A. That; what B. What; that C. What; what D. That; that 【答案】 B

【解析】【分析】句意：取得的成就表明，“”原则是解决历史遗留下来的和问题的最好办法。分析句子可知，_____ has achieved为主语从句，从句中achieve缺少宾语，所以第一个空用what来充当宾语。再分析句子可知，shows后接宾语从句，从句句意和结构完成，所以第二个空应填连接词that。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that引导的宾语从句。

16．I found _______ convenient to shop on line at home.

A. it's B. that C. it D. that was 【答案】 C

【解析】【分析】句意：我发现在家网购和方便。固定句式：主+find+it+adj+to do，主语发现做某事是……的，故选C。

【点评】考查it做形式宾语，熟练掌握固定句式：主+find+it+adj+to do。

17．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。

18．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。

19．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。

20．—Hey,you look worried. What's up?—I'm not sure__________ A. that can I pass the exam or not B. If I can pass the exam or not C. Whether I can pass the exam or not 【答案】C

【解析】【分析】句意：-嗨，你看起来很担心，怎么了？-我不确定我是否能通过这场考试。“Whether……or not”属固定搭配，意为是否……其余连接词无用法。故选C。 【点评】考查Whether引导的名词性从句。

21．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。

22．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。

23．The school library is ________ we can read many books and magazines.

A. what B. where C. when D. which 【答案】 B

【解析】【分析】句意：学校图书馆是我们能够看书看杂志的地方。What（什么），where（哪里），when（什么时候）which（哪一个）。we can read many books and magazines修饰主语，是一个表语从句。图书馆是一个地方，连接词用where。故选B。 【点评】考查表语从句的连词。

24． breaks the school windows will be in for trouble.

A. Whoever B. Who C. Which D. Whose 【答案】 A

【解析】【分析】句意：无论谁打破学校的窗户都会有麻烦的。A. Whoever无论谁，任何人，指人；B. Who 谁；指人C. Which哪一个，指物D. Whose谁的，引导句中时后面常跟所修饰的名词，根据句中结构此处缺少主语，指人，whoever放在句中句子才通顺，who放在句中句子翻译不通，故选A。

【点评】此题考查名词从句的引导词辨析。注意根据句子结构和句意确定所选的引导词。

25．—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。

26． 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。

27．The question new measures should be taken to control the terrible air pollution is puzzles scientists a lot.

A. that; what B. which; that C. what; what D. that; that 【答案】 C

【解析】【分析】句意为：应该采取什么样的新措施来控制空气污染的问题，是让科学家非常困惑的事情。第一空根据主语question，可知措施并不明确，应该指“什么样的new measures”，关系词应用what；第二空，be动词is后的表语从句缺少主语，应用关系词what，故选C。

【点评】考查同位语从句。注意that引导同住语从句时，在句中不做成分，也没有词义。

28．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。

29．I never doubt .

A. whether this song is worth listening to B. if this song is worth listening C. that this song is worth listening D. 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。

30．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。