一、名词性从句
1．________ his failure lies is expected ________ clear to us.
A. What… to make B. How… made C. Where… to be made D. 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.
2． is clear to the members of the committee is that the President will not give in to their demands.
A. Who B. It C. As D. What
【答案】 D
【解析】【分析】句意：委员会成员清楚的是，总统不会向他们的要求让步。that the President will not give in to their demands.这个句子作表语； is clear to the members of the committee这是主语从句，这里缺少主语从句的连接词，并且连接词在句中作主语，it是代词，不是了；连接词，故排除B；as作主语时，是在定语从句中，故排除C；who指人，根据表语指的事情，不是人，故排除A；what在主语从句中可以作主语或宾语，指事，符合句意，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．________ 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引导的性定语从句。
4．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“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。
5．_______ 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。
6．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。
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．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】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。
9．It is a rule in his family that _______ comes home first should cook the dinner.
A. anybody B. who C. whoever D. who that
【答案】 C
【解析】【分析】句意：在他的家里有个规定，就是先到家的人要先做饭。 whoever 有两个词义：1no matter who，在这种用法时引导一个让步状语从句；2anybody that，在这种用法时，它连接一个名词性从句，在本题中它连接的是主语从句。这里就是第二个用法。所以选C。
10．______ 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。
11．________ 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。
12．______ 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。
13．It matters little ______ a man dies, but _____ matters much is ______ he lives.
A. how; what; how B. how; it; how C. why; it; why D. that; what; that
【答案】 A
【解析】【分析】句意：一个人如何死去并不重要，重要的是他如何生活。it为形式主语，how从句为真正的主语。What matters much （=the thing that matters much）。第一个how引导的是一个主语从句；it作形式主语；what引导的是主语从句；第二个how引导的是表语从句。故选A。
【点评】考查名词性从句，本题涉及主语从句和表语从句的应用。
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．_______ 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understand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。
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．______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。
18．________ 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。
19．_________ 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。
20． is obviously right is to give all children equal opportunities to develop their special gift.
A. Which B. As C. That D. What
【答案】 D
【解析】【分析】句意：明显正确的做法就是给所有的孩子提供平等发展特殊才能的机会。连接词引导一个主语从句，并在主语从句中做句子的主语，故选D。
【点评】考查名词性从句，本题涉及what引导的主语从句。
21．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。
22．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:我知道他对一切充满好奇，但那是小孩的样子。耐心点儿。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.对一切充满好奇是小孩的行为，故选D 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。这是中考的常考点。
23．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。
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．— Doctor, it seems ______ you like to work with animals.
— Yes, we should________ animals as our friends.
A. that; regard B. what; be regarded C. that; be regarded D. what; regard
【答案】 A
【解析】【分析】句意：—医生，看起来你喜欢和动物一起工作。—是的。我们应该把动物看做我们的朋友。It seems + that从句，其中it 是形式主语，that引导主语从句。Regard---as---（把------看做------）。故选A。
【点评】此题考查主语从句和固定搭配regard---as---。
26．You have spent too much time playing computer games.That'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．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。
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．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。
