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1、（英语）初中英语名词性从句真题汇编(含答案)及解析一、初中英语名词性从句1_ is the centre of our planetary system was a difficult concept to grasp in the Middle Ages. A.Its the sun and not the earthB.The sun and not the earthC.Being the sun and not the earthD.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
2、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。2 is clear to the members of the committee is that the President will not give in to their demands. A.WhoB.ItC.AsD.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 i
3、n 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
4、, 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
5、制性定语从句。4In 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。根据In the past decade,在最近的几十年里，可知句子用现在完成时态，our education
6、 system是句子的主语，单数形式，所以第一空填has focused；第二空是主语从句做主语，if是否，不能引导主语从句，所以第二空填whether。故选C。【点评】主语从句主要有三类：1）（1）由连词that引导的主语从句:引导词that无含义,在句中不做成分,不可以省。例如：That you will win the medal seems unlikely.你想获得奖牌看起来是不可能的。（2）用连词 whether 引导的主语从句:whether有含义（是否）,在句中不做成分,不可以省。例如：Whether she is coming or not doesnt matter too
7、 much.她来不来都无关紧要。注意：if不能引导主语从句。2）用连接代词引导的主语从句（在由连接代词who, whose, whom, which, what, whoever, whomever, whichever, whatever引导的名词性从句中，其连接代词在句中起名词性作用，担当一定成分）.例如：What you need is more practice.你所需要的是更多的训练。3）用连接副词when, where, why, how引导的名词性从句（其连接副词有含义,在句中作状语。）例如：Where we should leave it is a problem.5It is
8、 a rule in his family that _ comes home first should cook the dinner.A.anybodyB.whoC.whoeverD.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。6_ we may find interesting is that it usually take
9、s 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。7_ 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
10、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。8They lost their way in the forest, and _ made matters worse was that night began to fall. A.thatB.itC.whatD.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
11、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。9_ has been proved is that animals and insects have their own languages. A.WhatB.AsC.ItD.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。10They lost their way in the fore
12、st, and _ made matters worse was that night began to fall. A.itB.whichC.thatD.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。11_ is troubling me is _ I dont understand _ he said A.What; that; whatB.What; what; whatC.That; that; whatD.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
