(英语)英语名词性从句练习题含答案

（英语）英语名词性从句练习题含答案

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. 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。

2． 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。

3．--- 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。

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．____ 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。6．—Tell me something about your adventure in the rainforest, please.

— We lost our way in the forest and ___ made matters worse was ___ night began to fall.

A. what; that

B. it; that

C. it; because

D. what; because

【答案】 A

【解析】【分析】考查名词性从句的连接词。第一空what作主语从句的主语；第二空为表语从句的that。

7．________ the weather will not clear up until next week is bad news for us.

A. As

B. If

C. Whether

D. That

【答案】 D

【解析】【分析】考查主语从句。句意：直到下周天气才放晴，这对我们来说是坏消息。此处是that引导的主语从句，that无实义，只其引导作用，故答案为D。

【点评】主语从句属于名词性从句，在名词性从句中，that无实义，只起连接作用，不做句子成分；if/whether起连接作用，不做句子成分，有实义“是否”。做题时注意看从句是否少成分。

8．______ amazed the NBA world is ______ Kobe Bryant scored 81 points just in one game.

A. That, what

B. What, that

C. That, that

D. What, what

【答案】 B

【解析】【分析】句意：使NBA世界惊讶的是Kobe Bryant在一场比赛中得了81分。根据句意可知，句子主语是一个主语从句，引导词即起引导作用又要做从句的一个成分，所以第一空填What；第二空是that引导的表语从句，只起引导作用，故选B。

【点评】考查名词性从句，本题涉及关系代词what引导的主语从句和表语从句的应用。9．________ has been proved is that animals and insects have their own languages.

A. What

B. As

C. It

D. That

【答案】 A

【解析】【分析】句意：已被证明的是动物和昆虫有自己的语言。根据is判断，此处为主语从句，分析该从句，缺少主语，用what。选A。

【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．______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him.

A. That; that; which

B. What; that; what

C. That; because; that

D. 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．________ 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; what

B. That; that

C. What; that

D. 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。

14．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。

15．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。

16．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。

17．______ 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。

18．_________ 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。

19．______ 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。

20．_____Macao has achieved shows _____"one country, two systems" principle is the best solution to the Macao 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：澳门取得的成就表明，“一国两制”原则是解决历史遗留下来的澳门和香港问题的最好办法。分析句子可知，_____Macao 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。

21．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.

22．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。

23．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。

24．—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。

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．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。

27． doesn't matter you come or not.

A. That; whether

B. It; whether

C. That; if

D. It; if

【答案】 B

【解析】【分析】句意：你来不来无关紧要。根据句末or not，要用连词whether；有句子结构可知，此处是whether引导主语从句，放在句末，用it作形式主语。故选B。

【点评】考查连词和代词辨析。根据句子结构，选择正确的一项。

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．The place the bridge is supposed to be built should be the cross-river traffic is the heaviest.

A. which; where

B. at which; which

C. at which; where

D. which; in which 【答案】 C

【解析】【分析】句意：桥梁应该建在水上交通最繁忙的地方。定语从句，代指地方，用where/介词+which，根据the place，可知前面用介词at，表示在……地方，做地点状语，介词提前，因此用at which；根据 the cross-river traffic is the heaviest，可知是对桥所在地点的描述，因此用where，引导表语从句，故选C。

【点评】考查定语从句与表语从句的引导词。

30．_______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。