loading【英语】 名词性从句章节知识点总结及练习测试题（word）
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; that B. What; that C. As; which D. 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; 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。
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“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。
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．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。
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．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。
9．_______ you don't like him is none of my business.
A. What B. Who C. That D. 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。
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．________ 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。
12．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。
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． 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。
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．The place the bridge is supposed to be built should be the cross-river traffic is the heaviest.
A. which; where B. at which; which C. at which; where D. which; in which 【答案】 C
【解析】【分析】句意：桥梁应该建在水上交通最繁忙的地方。定语从句，代指地方，用where/介词+which，根据the place，可知前面用介词at，表示在……地方，做地点状语，介词提前，因此用at which；根据 the cross-river traffic is the heaviest，可知是对桥所在地点的描述，因此用where，引导表语从句，故选C。 【点评】考查定语从句与表语从句的引导词。
17．_______ 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。
18．—What impresses you most when you visit the Acropolis ?
— ________ it is that has brought the grand palace into today's terrible scene.
A. Where B. What C. How D. When 【答案】 B
【解析】【分析】句意：——当你参观雅典卫城时，你印象最深的是什么？——使我印象最深的是什么将从前宏伟的宫殿变成了今天惨不忍睹的样子。强调句型的特殊疑问句式：疑问词（如what） is it that+其它，本句强调的是什么使得从前宏伟的宫殿蜕变的，所以用表示内容的what，选B
【点评】考查主语从句和强调句，本题强调主语从句的引导词。
19． 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。
20． ---- Let's send him home. Do you know _________?
---- I have no idea.
A. where does he live B. where he lives C. he where lives D. he lives where 【答案】 B
【解析】【分析】句意:----让我们把他送回家。你知道他住在哪里吗?----我不知道。宾语从句就是一个句子作动词或介词的宾语。宾语从句由特殊疑问句变来就用原来的疑问词作引导。在宾语从句中只能使用陈述句语序，不能用疑问句语序。所以选B。
21．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