初中英语名词性从句专项训练及答案

初中英语名词性从句专项训练及答案

一、初中英语名词性从句
1．_______ 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。


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．It________that the road will be closed tomorrow for repairs.

A. was announced B. has been announced

C. had been announced D. would be announced

【答案】 B

【解析】【 分析】本题考查动词的时态和语态。题干句子中that到句子结束是宾语从句，
且从句动词用“wil l＋动词原形”表示将来，由此推断出空白处谓语动词应用现在的某种时
态，在所给四个选项中，只有B 项正确。

【点评】考查现在完成时的被动语态，其结构是havehas +been +done。需要注意宾语从句
的时态。主句用现在时，从句所需的任何时态。


4．Has it been announced ______?

A. when are the planes to take off B. that are the planes to take off

C. where are the planes to take off D. when the planes are to take off

【答案】 D

【解析】【分析】句意: 飞机什么时候起飞已经宣布了吗？此处是when引导的主语从句 ，
且要用陈述句语序，故选D。

【点评】考查名词性从句，it作形式主语，关系副词when引导的从句作真正的主语。


5．____ he will offer us enough help doesn't matter a lot to our success.

A. If B. Whether C. Before D. How

【答案】 B

【解析】【分析】句意 ：他是否提供帮助对于我们的成功没有什么关系。If不可以引导主
语从句，故选B。

【点评】考查名词性从句，本题涉及whether引导的主语从句的应用。


6．____ 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。


7．—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。



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．______ 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。

10．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。


11．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。


12．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。




13．_______ 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make s 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。




14．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。


15．______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。


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 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，w as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． 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。


19．______ 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。


20．_________ 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。


21．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。


22．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。

23．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。



24．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to ld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 。



25．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。


26．You have spent too much time playing computer '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。


27．—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。


28． 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 n ot，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。


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．_______ is troubling me is ______ I don't understand ________ he said


A. What; that; what B. What; what; what C. That; that; what D. Why; that; which

【答案】 A

【解析】【分析】句意：我 烦恼的是我不明白他说的话。第一空是主语从句，从句中缺主
语，要用What；第二空是表语从句，从 句不缺成分，所以要填that；第三空是宾语从句，

从句中的动词understan d缺宾语，要填what。故选A。

【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的应用。