【初中英语】 名词性从句章节知识点总结及练习测试题精品资料含答案解析
【英语】名词性从句知识点总结及经典习题(含答案)经典
【英语】名词性从句知识点总结及经典习题(含答案)经典一、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 has been pointed out ________ plays a vital role in driving away one's anxiety is one's sweet childhood memories.A. what thatB. whichC. thatD. 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; thatB. What; howC. What; thatD. 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。
(英语)初中必备英语名词性从句技巧全解及练习题(含答案)及解析
（英语）初中必备英语名词性从句技巧全解及练习题(含答案)及解析一、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．Some people believe _______ has happened before or is happening now will repeat itself in the future.A. whateverB. wheneverC. whereverD. 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。
3．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。
名词性从句知识点总结及经典习题(含答案)经典1
名词性从句知识点总结及经典习题(含答案)经典1一、名词性从句1．_______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。
2．While some behaviors may seem strange to you, remember you consider normal probably seems just as unusual to others.A. it; thatB. what; thatC. that; whatD. 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．________ is known to us all that the old scientist, for ________ life was hard in the past, still works hard in his eighties.A. As; whoseB. It; whoseC. As; whomD. 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。
名词性从句知识点梳理及经典练习(超详细)
名词性从句知识点梳理及经典练习(超详细)一、初中英语名词性从句1．_______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。
2．________ is known to us all that the old scientist, for ________ life was hard in the past, still works hard in his eighties.A. As; whoseB. It; whoseC. As; whomD. 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。
3．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。
必备英语【初中英语】常见名词性从句最全总结含答案解析
必备英语【初中英语】常见名词性从句最全总结含答案解析一、初中英语名词性从句1．________ 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。
2．_____ 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。
3．______ makes the school proud is ______ more than 90% of the students have been admitted to universities.A. what; becauseB. that; becauseC. that; whatD. 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。
复习专题名词性从句X知识点总结及经典习题(含答案)含答案解析
复习专题名词性从句X知识点总结及经典习题(含答案)含答案解析一、初中英语名词性从句1．____ he will offer us enough help doesn't matter a lot to our success.A. IfB. WhetherC. BeforeD. 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。
2．_____ 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。
3．______ makes the school proud is ______ more than 90% of the students have been admitted to universities.A. what; becauseB. that; becauseC. that; whatD. 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。
初一英语名词性从句练习题50题含答案解析
初一英语名词性从句练习题50题含答案解析1._____ makes the school famous is its excellent teaching staff.A.WhatB.ThatC.WhichD.Who答案解析：A。
“What makes the school famous”在句中作主语，what 在主语从句中作主语，表示“什么让学校出名”。
that 在名词性从句中不充当成分；which 在名词性从句中有选择含义；who 在主语从句中只能指人。
2._____ he will come or not is still uncertain.A.IfB.WhetherC.ThatD.What答案解析：B。
“Whether he will come or not”在句中作主语，whether 引导主语从句表示“是否”，if 不能引导主语从句放在句首；that 在名词性从句中不充当成分；what 在主语从句中要充当成分。
3._____ surprised us most was his attitude towards the problem.A.WhatB.ThatC.Which答案解析：A。
“What surprised us most”在句中作主语，what 在主语从句中作主语，表示“最让我们惊讶的事情”。
that 在名词性从句中不充当成分；which 在名词性从句中有选择含义；who 在主语从句中只能指人。
4._____ is known to all, the earth moves around the sun.A.AsB.ItC.WhatD.That答案解析：A。
“As is known to all”是固定用法，as 引导非限制性定语从句，指代后面整个句子的内容。
it 不能引导从句；what 在主语从句中要充当成分；that 不能引导非限制性定语从句。
5._____ we need is more time.A.WhatB.ThatC.WhichD.Who答案解析：A。
名词性从句知识点总结及经典习题(含答案)经典
名词性从句知识点总结及经典习题(含答案)经典一、名词性从句1．______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him.A. That; that; whichB. What; that; whatC. That; because; thatD. 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。
2．___ surprised me most was ____the girl passed the driver test.A. That; thatB. What; howC. What; thatD. 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。
3．Some people believe _______ has happened before or is happening now will repeat itself in the future.A. whateverB. wheneverC. whereverD. 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。
必备英语中考英语 名词性从句章节知识点总结及练习测试题
必备英语中考英语名词性从句章节知识点总结及练习测试题一、初中英语名词性从句1．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。
2．________ is known to us all that the old scientist, for ________ life was hard in the past, still works hard in his eighties.A. As; whoseB. It; whoseC. As; whomD. 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。
3．_______ are playing an important part is well known to us all.A. That whoB. Those whoC. Who thatD. 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。
人教版中考英语复习专题 名词性从句X知识点总结复习及练习测试题含答案解析
人教版中考英语复习专题名词性从句X知识点总结复习及练习测试题含答案解析一、初中英语名词性从句1．______ amazed the NBA world is ______ Kobe Bryant scored 81 points just in one game.A. That, whatB. What, thatC. That, thatD. 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。
2．_____ 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。
3．________ 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; whatB. That; thatC. What; thatD. 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。
人教版中考英语九年级英语名词性从句总结和练习含答案解析
人教版中考英语九年级英语名词性从句总结和练习含答案解析一、初中英语名词性从句1．______ 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。
2．While some behaviors may seem strange to you, remember you consider normal probably seems just as unusual to others.A. it; thatB. what; thatC. that; whatD. 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．_______ caused the accident has not been found out yet.A. WhatB. WhichC. The thingD. 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。
4．________ 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; whatB. That; thatC. What; thatD. 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。
九年级英语 名词性从句章节知识点总结及练习测试题
九年级英语名词性从句章节知识点总结及练习测试题一、初中英语名词性从句1．______ makes the school proud is ______ more than 90% of the students have been admitted to universities.A. what; becauseB. that; becauseC. that; whatD. 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。
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．In the past decade, our education system too much on grades. However, grades have a direct connection with future success is still a question.A. focused; whetherB. focused; ifC. has focused; whetherD. has focused; if【答案】 C【解析】【分析】考查时态和主语从句。
人教版中考英语中考英语总复习名词性从句X知识点总结及经典习题(含答案)含答案解析
人教版中考英语中考英语总复习名词性从句X知识点总结及经典习题(含答案)含答案解析一、初中英语名词性从句1．____ he will offer us enough help doesn't matter a lot to our success.A. IfB. WhetherC. BeforeD. 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。
2．It was he said disappointed me.A. that; whatB. what; thatC. that; whichD. 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。
3．______ makes the school proud is ______ more than 90% of the students have been admitted to universities.A. what; becauseB. that; becauseC. that; whatD. 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。
【初中英语】 名词性从句章节知识点总结及练习测试题含答案解析
【初中英语】名词性从句章节知识点总结及练习测试题含答案解析一、初中英语名词性从句1．--- made her ashamed of herself?--- the lowest mark in her class.A. What; Because she gotB. Was it what; GettingC. What was it that; That she gotD. 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。
2．It was he said disappointed me.A. that; whatB. what; thatC. that; whichD. 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。
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【初中英语】名词性从句章节知识点总结及练习测试题精品资料含答案解析一、初中英语名词性从句1．______ amazed the NBA world is ______ Kobe Bryant scored 81 points just in one game.A. That, whatB. What, thatC. That, thatD. 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。
2．_____ 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。
3．_______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。
4．________ 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; whatB. That; thatC. What; thatD. 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。
5．______ makes the school proud is ______ more than 90% of the students have been admitted to universities.A. what; becauseB. that; becauseC. that; whatD. 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。
6．______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him.A. That; that; whichB. What; that; whatC. That; because; thatD. 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。
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．____________ 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。
9．______ 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。
10．________ 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。
11．_________ 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。
12．_______ you don't like him is none of my business.A. WhatB. WhoC. ThatD. 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。
13．They lost their way in the forest, and ___ made matters worse was that night began to fall.A. itB. whichC. thatD. 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。
14．____ made me more unhappy was ___ the boy asked my friend to be his girlfriend and she agreed.A. What; thatB. That ; thatC. What; whetherD. 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。
15．____ he will offer us enough help doesn't matter a lot to our success.A. IfB. WhetherC. BeforeD. 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。