(英语)初中英语名词性从句解题技巧讲解及练习题(含答案)

一、初中英语名词性从句

1．________ 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。

2．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。

3．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。

4．___ 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。

5．________ is known to us all that the old scientist, for ________ life was hard in the past, still works hard in his eighties.

A. As; whose B. It; whose C. As; whom D. 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。

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．____ 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。

9．—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。

10．________ 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。

11．______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

A. Which B. What C. It D. 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。

12．________ 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。

13．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】句意：他们在森林里迷路了，情况更糟糕的是天又黑了。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。故选D。

【点评】考查名词性从句，本题涉及what引导的主语从句的应用。

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．_______ 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。

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．________ 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。

18．______ 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。

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．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。

21．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。

22．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。

23．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。

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．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。

26． 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。

27．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。

28．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。

29．_______ 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。

30．____________ 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。