复习专题常见名词性从句最全总结一、初中英语名词性从句1． is known to all is that the earth is smaller than the sun.A. AsB. WhatC. ItD. 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．It________that the road will be closed tomorrow for repairs.A. was announcedB. has been announcedC. had been announcedD. 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“will＋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have/has +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。
3．Located between the 16th and the 18th floor, ______ I call my “home” is more like a “bird's nest”.A. whichB. thatC. whatD. 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。
4．________ we may find interesting is that it usually takes more to be polite.A. ThatB. WhatC. WhichD. /【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。
5．______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.A. WhichB. WhatC. ItD. 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。
6．____________ matters most in learning English is enough practice.A. WhyB. ThatC. WhichD. 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。
7．_______ makes me feel worried is _______ singing stars are centered on by masses of teenagers today.A. What; whatB. That; thatC. What; thatD. 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。
8．________ his failure lies is expected ________ clear to us.A. What… to makeB. How… madeC. Where… to be madeD. 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 known to us all is that China has launched Shenzhou VII spaceship, ____ made the country's first spacewalk successful.A. That; whatB. What; whichC. It; whichD. 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。
10．_______is known to us all is that Johnson broke his promise ______ he would come to help me as soon as possible.A. It; thatB. What; thatC. As; whichD. 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。
11． was most important to her, she told me, was her family.A. ItB. ThisC. WhatD. 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。
12．______ will be in charge of the meeting has not been decided yet.A. WhatB. WhichC. ThatD. 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。
13．We believe ________ you have been devoted to ________ naturally of great necessity.A. that; beingB. all that; beC. that all; areD. 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。
14．_____Macao has achieved shows _____"one country, two systems" principle is the best solution to the Macao and Hongkong question, left by history.A. That; whatB. What; thatC. What; whatD. 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。
15．Franklin told them all to be in Britain again.A. how happy was heB. how happy he wasC. how was he happyD. 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。
16．I know he's been curious about everything, but that's . Be patient!A. what do kids likeB. what kids likeC. what are kids likeD. 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。