专题10 名词性从句(拔高练习)(解析版)
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高三名词性从句高级分析练习30题(带答案)1. _____ is still a mystery how the ancient Egyptians built the pyramids without modern machinery.A. ItB. ThatC. WhatD. Which答案:A解析:这是一个主语从句的题目。
在这个句子中,it是形式主语,真正的主语是后面的how the ancient Egyptians built the pyramids without modern machinery这个从句。
如果选B,that引导主语从句时,在句中不充当任何成分,而这里需要形式主语it来平衡句子结构。
C 选项what在主语从句中要充当主语、宾语或表语等成分,这里不需要。
D选项which表示“哪一个”,不符合句子语境。
2. _____ we will hold the sports meeting depends on the weather.A. IfB. WhetherC. ThatD. Which答案:B解析:本题考查主语从句的引导词。
这里表示“是否”,在主语从句中表示“是否”时,只能用whether,不能用if。
C选项that引导主语从句时无意义,在句中不充当成分,不符合这里需要表达“是否”的语境。
D选项which表示“哪一个”,与句子意思不符。
3. _____ makes this shop different is that it offers more personal services.A. WhatB. WhoC. WhichD. Why答案:A解析:这个句子中,what引导主语从句并且在从句中充当主语,表示“……的东西/事情”。
Who表示“谁”,引导主语从句时在从句中充当人,这里不是指人,所以B选项错误。
C选项which表示“哪一个”,不符合句子语境。
D选项why表示“为什么”,引导主语从句时在从句中充当原因状语,这里也不符合。
高中英语名词性从句练习(附答案详解Do you know _?A. where does he liveB. where he livesC. where he livedD. where he has lived答案:B解析:此处为宾语从句,要用陈述语序,故选B。
She asked me _.A. what I am doingB. what am I doingC. what I was doingD. what was I doing答案:C解析:此处为宾语从句,要用陈述语序,故选C。
I don't know _.A. how to do itB. how do itC. how doing itD. how did it答案:A解析:此处为宾语从句,要用不定式作宾语,故选A。
He is the man _.A. who I spoke to himB. who I spoke toC. who I spoke with himD. who I spoke with答案:B解析:此处为定语从句,关系代词在从句中作主语,故选B。
The reason why he left _.A. is that he was unhappyB. is because he was unhappyC. was that he was unhappyD. was because he was unhappy答案:A解析:此处为主语从句,要用that引导,故选A。
We don't know _.A. where is he fromB. where he is fromC. from where is heD. from where he is答案:B解析:此处为宾语从句,要用陈述语序,故选B。
She is the girl _.A. who I went to schoolB. who I went to school withC. whom I went to schoolD. whom I went to school with答案:B解析:此处为定语从句,关系代词在从句中作介词with的宾语,故选B。
专题十名词性从句1.【2015·湖南】26.You have to know ________ you're going if you are to plan the best way of getting there.A. whatB. thatC. whereD. who【答案】C【考点定位】考查宾语从句.【名师点睛】判断是什么句子最关键,这个句子是由know引导的宾语从句,宾语从句的连接词有连接代词和连接副词.因为从句部分缺少状语成分,答案就出来了.正确解答该题需要理解句意以及注意上下文(you're going if you are to plan the best way of getting there.)的表达.2.【2015·北京】33.I truly believe ______beauty comes from within.A. thatB. whereC. whatD. why【答案】A【解析】试题分析:句意:我很相信美丽源自于内心! 本题考查宾语从句.从句部分不缺少任何成分,因此用that起到连接作用,也可以省略.从句部分不缺少任何成分,因此用that起到连接作用,也可以省略.故选A.【考点定位】考查名词性从句.【名师点睛】名词性从句分多种,宾语从句在考试中也是很常见的,要注意宾语是句子的一个重要成分,它可以由名词、代词、名词短语或句子充当.当一个句子充当宾语时,这个句子就称之为宾语从句.一般情况下,宾语从句可作谓语的宾语,也可做主语的宾语.根据所选空在句中所作的成分来判断出是何种名词性从句.3.【2015·安徽】25.A ship in harbor is safe, but that’s not ______ ships are builtfor.A. whatB. whomC. whyD. when【答案】A【解析】试题分析:句意:船停放在海港里是很安全的,但这并非建造船的目的.isn’t后跟从句作表语,表语从句中的for后缺少宾语,用what引导,what与for连用,表示目的.故选A.【考点定位】考查名词性从句【名师点睛】本题考查表语从句.表语从句是名词性从句的一种,名词性从句还包括主语从句、宾语从句和同位语从句.可以根据从句在句子中充当的成分来判断名词性从句的类型.isn’t后跟一个从句作表语,what在名词性从句中作主语、宾语或表语;why和when作状语.介词for后缺少宾语,因此用what.4.【2015·浙江】6. If you swim in a river or lake, be sure to investigate isbelow the water surface. Often there are rocks or branched hidden in the water.A. whatB. whoC. thatD. whoever【答案】A【解析】试题分析:句意:如果你在河里或湖里游泳,请确定查看水面下有什么?通常总有一些石头或树枝藏在水里.此处的what指代的是树枝或石头,B选项和D选项用于指人,that 只有语法意义.句式上,该句用了(If 从句,祈使句)的句式,非谓语to investigate 后接一个宾语从句的表达.分析宾语从句的成分可以发现,空格所做的成分是主语.根据下一句的表述中的树枝和石头,可以得出答案是what.【考点定位】考查宾语从句的连接词【名师点睛】判断是什么句子最关键,这个句子是由investigate引导的宾语从句,因为从句部分is 前面缺少成分,答案就出来了.正确解答该题需要理解句意以及注意上下文(Oftenthere are rocks or branched hidden in the water.)的表达.5.【2015·重庆】8.We must find out ____ Karl is coming, so we can book a room forhim.A.whenB. howC. whereD. why【答案】A【解析】试题分析:句意:我们必须弄明白什么时候来,因此我们能给他预定房间.Find out 后面跟着宾语从句.根据句意选when.【考点定位】考查宾语从句.【名师点睛】宾语从句连接词的考查,宾语从句一共分为三类,一由that引导的宾语从句;二是由连接代词who,whom,whose,what,which和连接副词when,where,why,who,how引导的宾语从句,这些连接代词和连接副词在宾语从句充当某个成分.三由if或whether引导宾语从句.首先要根据句子结构来确实是哪一类,再根据具体的信息来确实用哪一个,是否符合当时的语境.6.【2015·四川】8.The exhibition tells us we should do something to stop air pollution.A. whereB. whyC. whatD. which【答案】B【解析】试题分析:考查宾语从句.本句考查宾语从句的引导词.宾语从句中不缺少主语和宾语,故选项C错误,选项D担当定语,也错误.根据意思:这个展览告诉了我们,我们为什么要停止空气污染而不是我们在哪儿停止空气污染,故选择B.【考点定位】考查宾语从句【名师点睛】本题考查宾语从句的引导词.通常情况下,宾语从句如果是由陈述句变来时用that引导;如果由一般疑问句变来则用whether/if;而由特殊疑问句变来则用特殊疑问词.通过四个选项,排除1、2两种情况.而特殊疑问词的选择则要求对句子的结构内容有着全盘的掌握.此句中,主语、宾语、定语并不缺少,故选项C、D是错误的,再根据句意,只有B最为恰当.7.【2015·陕西】19. Reading her biography, I was lost in admiration for Doris Lessing had achieved in literature.A. whatB. thatC. whyD. how【答案】A【考点定位】考查宾语从句【名师点睛】宾语从句是名词性从句的一种,解答这类题目,关键在于分析清楚句子结构.确定这是什么从句,再通过判断从句中缺少的内容决定引导词在从句中所作的成分及意义,来选择正确的引导词.通常如果名词性从句缺少主语宾语和表语的时候用what连接.8.【2015·福建】29—I wonder _________ Mary has kept her figure after all these years. —By working out every day.A.whereB. howC. whyD. If【答案】B【解析】试题分析:考查宾语从句.句中I是主语,wonder是谓语,how引导的宾语从句在整个句子中做宾语.连接副词How是宾语从句中的方式状语.句子是用表示方式的介词by回答的,所以是针对方式题提问的,故用how.根据句意---我好奇玛丽在这些年是怎么保持着身材的.--通过每天锻炼.故选C【考点定位】考查宾语从句【名师点睛】宾语从句算是高考中一个比较简单的考点,引导词主要的选择方法是看宾语从句的引导词在主句中做什么成分,不同的引导词表达的意思也不相同.通常宾语从句的前面会有一个及物动词,及物动词后面可以直接接上宾语,但是也要结合具体情况进行具体分析.9.【2015·江苏】25._____ Li Bai, a great Chinese poet, was born is known to the public, but some won’t accept it.A. ThatB. WhyC. WhereD. How【答案】C【解析】试题分析:句意:李白是中国一位伟大的诗人,他的出生地是众所周知的,但有些人不愿接受这一事实.分析句子结构可知,a great Chinese poet做Li Bai的同位语,is前面是主语从句.比较选项只有where符合句意,where在从句中做地点状语.故选C项.【考点定位】名词性从句【名师点睛】此题由于“a great Chinese poet”的插入,句子结构变得稍显复杂,因此要求考生能够排除结构干扰,看清考点还是考查名词性从句连接词的选择,然后根据“从句部分缺什么补什么的原则选则连接词”这一根本原则,同时结合句意,迅速锁定正确答案.10.【2015·北京】35. _____we understand things has a lot to do with what we feel.A. WhereB.HowC.WhyD. When【答案】B【解析】试题分析:句意:我们如何理解事情与我们所感受的有很大关系.根据句意可知,主语从句缺少方式状语,因此选择how.故选B.【考点定位】主语从句.【名师点睛】主语从句分多种,解题时要分析原题空中缺少的是何种状语.这类题考生首先要利用主句与从句之间的逻辑关系判别,尤其是连词在从句中的功能,由于引导主语从句的连词功能有所分别,较为容易抉择,但有的连词的形式一样,但具有不同意思,这就需要考生仔细甄别,充分利用与之相关内容或与其搭配相关词语的意思.。
高考语法复习10名词性从句【走进高考】1.【2018·北京】Without his support, we wouldn’t be _________ we are now.A. howB. whenC. whereD. why【答案】C【解析】考查名词性从句。
句意:没有他的支持,我们是不会在现在这个位置的。
how表方式,when表时间,where表地点,why表原因。
“_________ we are now”是表语从句,结合句子的意思可知,该处指我们所处的位置,故该从句应用where引导。
C选项正确。
2.【2018·北京】This is _________ my father has taught me—to always face difficulties and hope for the best.A. howB. whichC. thatD. what【答案】D【解析】考查名词性从句。
句意:这是我父亲教我的——总是要面对困难,抱最大的希望。
"________ my father has taught me"是表语从句,该空在从句做teach的宾语,且表示“父亲教我的道理”,故该从句应用what引导。
D选项正确。
引导名词性从句时,how表示方式,意为“如何”;which意为“哪一个”,that在此只起引导从句的作用,不做成分。
3.【2018·天津】The gold medal will be awarded to ___________ wins the first place in the bicycle race.A. whomeverB. whereverC. whoeverD. whatever【答案】C【解析】考查名词性从句连接词。
句意:无论谁获得自行车比赛第一名,金牌将授予他。
分析句子可知,宾语从句中缺少主语,故用whoever,表示“任何人,无论谁”。
【高频考点解读】名词性从句是高考常考的语法项目,主要考查对连接词的正确把握。
分析历年各地的高考试题不难发现,连接代词what的用法是考查的热点。
另外,在同位语从句中,经常考查that的用法。
除此之外,其他连接词的用法以及从句的语序也时有考查。
【热点题型】题型一主语从句例1、It doesn’t matter ________ you turn right or left at the crossing—both roads lead to the park.A.whether B.howC.if D.when【易错剖析】本题容易误选C。
if只有在宾语从句中有“是否”含义,与whether换用,主语从句只能用whether。
【提分秘籍】1.引导词(1)that不充当句子成分,本身无意义,仅起连接作用,但不能省略。
(2)whether不充当句子成分,但有“是否”的意义,不能省略,不能用if代替。
还常和or连用,构成“whether...or...……或者……”。
(3)who,whom,what,which,whose本身有意义(和其作疑问词同义),在句中作主语、宾语或定语,不能省略。
(4)where,when,how,why本身有意义(和其作疑问词同义),在句中作状语,不能省略。
(5)whever引导的从句和不带ever的引导词在句中所做成分一样,但其意义上多了“无论……;任何……”的含义。
What Barbara Jones offers to her fans is honesty and happiness.Barbara Jones给她粉丝的就是诚信和快乐。
Whether there are living creatures in the outer space as those on Earth hasn’t been proved up to now.外太空是否存在像地球上一样的生物迄今尚未确定。
高三英语名词性从句分析高级练习题50题答案解析版1.______ he will come or not is still a question.A.WhetherB.IfC.ThatD.What答案解析:A。
“Whether...or not”是固定搭配,在主语从句中表示“是否”。
if 不能与or not 连用,that 在主语从句中无实际意义,what 在主语从句中要充当成分,此处不合适。
2.______ surprised us most was that he passed the exam.A.WhatB.ThatC.WhichD.It答案解析:A。
what 在主语从句中充当主语,表示“让我们最惊讶的事情”。
that 在主语从句中无实际意义,which 在有范围时使用,it 不能引导主语从句。
3.______ is known to all, the earth is round.A.AsB.WhichC.ThatD.What答案解析:A。
as is known to all 是固定搭配,意思是“众所周知”,as 在主语从句中引导非限制性定语从句,指代后面整个句子。
which 引导非限制性定语从句时不能放在句首,that 和what 不用于此结构。
4.______ makes mistakes must correct them.A.WhoB.WhoeverC.AnyoneD.Anyone who答案解析:D。
anyone 是先行词,who 引导定语从句修饰anyone,在整个句子中作主语。
whoever 不能修饰anyone,单独的who 不能表示“任何人”,anyone 单独使用不能引导主语从句。
5.______ you have done might do harm to others.A.WhatB.ThatC.WhichD.Whether答案解析:A。
what 在主语从句中充当宾语,表示“你所做的事情”。
高三英语名词性从句分析高级练习题50题含答案解析1._____ he will come or not is still unknown.A.WhetherB.IfC.ThatD.What答案解析:A。
“Whether...or not”是固定搭配,在主语从句中表示“是否”。
if 不能与or not 连用。
that 在主语从句中不表示“是否”的意思。
what 在主语从句中充当主语、宾语等成分,此处不合适。
2._____ surprised us most was that he passed the exam easily.A.WhatB.ThatC.WhichD.It答案解析:A。
what 在主语从句中充当主语、宾语等成分,此处what surprised us most 是主语从句,what 在从句中作主语。
that 在主语从句中只起连接作用,无实际意义。
which 在有范围的情况下使用,此处不合适。
it 不是主语从句的引导词。
3._____ is important is that we should study hard.A.ItB.WhatC.ThatD.As答案解析:B。
what 在主语从句中充当主语、宾语等成分,此处what is important 是主语从句,what 在从句中作主语。
it 不能引导主语从句。
that 在主语从句中只起连接作用,无实际意义。
as 不能引导主语从句。
4._____ he has done is worthy of praise.A.WhatB.ThatC.WhichD.Who答案解析:A。
what 在主语从句中充当主语、宾语等成分,此处what he has done 是主语从句,what 在从句中作宾语。
that 在主语从句中只起连接作用,无实际意义。
which 在有范围的情况下使用,此处不合适。
who 在主语从句中表示“谁”,此处不合适。
5._____ we need is more time.A.WhatB.ThatC.WhichD.Who答案解析:A。
2017年高考题【2017·北京】23. Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.A. whateverB. whoeverC. whomeverD. whichever【答案】B代词,根据意思可知是人获奖,故排除AD,因为需要做主语,只能用主格代词who,故选B。
考点:考查连词。
【名师点睛】主语从句 Subject Clauses (在主语的位置上)1. 从句的连接词可以是that, 也可以是特殊疑问词wh-。
That he is a famous singer is known to us.= It is known to us that…Whether we shall attend the meeting hasn’t been decided yet.Who will go makes no difference.◆It is known to us that he is a famous singer.◆It is not yet fixed when he will go to America.本题中,whatever引导主语从句,同时作do的宾语。
2. wh和ever 连用的词引导的名词性从句和状语从句的区别●区分使用wh-和wh-ever: wh 有疑问的意思;wh-ever有肯定强调的意思*Who will be invited hasn’t been decided.*Whoever comes here is welcomed.*A reward of $1,000 will be given to whoever can provide any clues to the case.*The gift will be given to whomever I like.●wh-ever 在引导名词性从句时不能用no matter wh-来替换,但在引导状语从句时可以替换Whatever happened, he would not mind.= No matter what happened, he……【2017·北京】26. Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.A. whyB. whereC. howD. when【答案】B试题分析:A. why 为什么 B. where 在哪 C. how 如何 D. when什么时候。
专题十名词性从句【高频考点解读】考查名词性从句中引导词的选用,区分what,that,wh-ever,whether,if等连接代词和连接副词的语义功能和语法功能。
尤其是把名词性从句与定语从句放在一起进行综合考查,增加了试题的难度。
【热点题型】题型一考查主语从句及连接词的辨析例1、It is by no means clear the president can do to end the strike.A.how B.which C.that D.what【提分秘籍】that与what的区分1.引导名词性从句时,that没有意义,在从句中不作任何成分。
因此当从句意义完整,不缺任何成分时,往往用that,that引导主语从句、同位语从句、表语从句时不行省略。
2.what引导名词性从句时,意为“什么”(有时候可以不译出来)在从句中作主语、表语或宾语,从不行省略。
【举一反三】It suddenly occurred to him he had left his keys in the office.A.whether B.whereC.which D.that【热点题型】题型二考查宾语从句及连接词的辨析例2、We promise attends the party a chance to have a photo taken with the movie star.A.who B.whomC.whoever D.whomever 【提分秘籍】“疑问词”与“疑问词+ever”的区分“疑问词+ever”可以引导名词性从句,含有“无论……”之意,用法与“疑问词”一样,只是语气比疑问词本身的语气猛烈得多。
“疑问词+ever”与“no matter+疑问词”的区分①“疑问词+ever”引导名词性从句时,whoever=anyone who,whatever=anything that等。
如:Whoever(=Anyone who)comes is welcome.②“no matter+疑问词”只能用来引导状语从句。
考点巩固卷10 名词性从句最新高考真题1.(2024·新高考II卷·语法填空)If most of their customers are happy to buy larger quantities, that’s ________ they’ll promote. But that leaves the solo (单独) customers out of pocket and disappointed.【答案】what【解析】考查名词性从句。
句意:假如他们的大多数客户都乐意大量购买,那他们就会推广。
在表语从句中缺少宾语,且是指事物,所以应用连接代词what。
故填what。
2.(2023·新高考II卷·语法填空)This is ________ they need an English trainer.【答案】why【解析】考查表语从句。
句意:这就是他们需要英语培训师的缘由。
分析句子结构可知,空处引导表语从句,从句中结构完整,应当用连接副词连接,前文提到需要培训师的缘由,此处是表达“这就是他们需要英语培训师的缘由”之意,应用why引导表语从句。
故填why。
3.(2022·新高考II卷·语法填空)Cobb, for her party, started to ask conference organizers who invited her to speak ______ she could do so remotely; about three-quarters of the time, they agreed.【答案】whether或if【解析】考查宾语从句。
句意:对于她的出席,Cobb开头询问邀请她的组织者是否可以远程进行。
明显ask后面消灭了一个宾语从句,宾语从句句意不完整,whether/if“是否”符合语境,故填whether或if。
高考英语名词性从句高频考点复习--高考真题(2011-2020)(解析版)(2011﹒北京﹒T22)__________ Barbara Jones offers to her fans is honesty and happiness.A. WhichB. WhatC. ThatD. Whom【答案】B【解析】句意:这个惊人的消息使我意识到我们将面临多么严重的问题。
结合句意可知答案为A,此处what 引导的宾语从句是一个感叹句。
(2011﹒北京﹒T31)The shocking news mad me realize ________ terrible problems we would face.A. whatB. howC. thatD. why【答案】A【解析】由句中的IS可知其前面是由what引导的主语从句,且what在从句中作offer的宾语,故答案为A 项。
(2011﹒上海﹒T35)There is clear evidence _____ the most difficult feeling of all to interpret is bodily pain.A. whatB. ifC. howD. that【答案】D【解析】句意为:证据表明,所有能够说明的感觉中最困难的是身体的疼痛。
分析句子结构,从句中不错成分,故用关联词that。
(2011﹒上海﹒T38)The message you intend to convey through words may be the exact opposite of _____ others actually understandA. whyB. thatC. whichD. what【答案】D【解析】句意为:你试图通过言语表达的意思或许恰恰跟别人理解的相反。
(2011﹒山东﹒T26)I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.A. thatB. whenC. whereD. why【答案】D【解析】句义:我恐怕他比起来一个实践家更是一个空谈家,那就是他一事无成的原因。
本文“which is..”引导的一个非限定性定语从句中有一个表语从句根据句意用“why”引导。
(2011﹒山东﹒T33)We’ve offered her the job, but I don’t know______ she’ll accept it.A. whereB. whatC. whetherD. which【答案】C【解析】根据句意“我们提供给她了这份工作,但我不知道她是否会接受”。
whether “是否“,where “哪里“what “什么”,which “哪个“。
(2011﹒江西﹒T26)The villagers have alrea dy known ______ we’ll do is to rebuild the bridge.A. thisB. thatC. whatD. which【答案】C【解析】村民们已经知道我们将要做的事情是重建这座桥,后面的宾语从句的主语从句中缺少主语且指物,所以选择what。
(2011﹒江苏﹒T26)It was never clear _______ the man h adn’t reported the accident sooner.A. thatB. howC. whenD. why【答案】A【解析】句意:这名男子没有早点报告这次事故的原因根本没有搞清楚。
It在句中是形式主语,真正的主语是why引导的主语从句。
(2011﹒安徽﹒T33)His writing is so confusing that it’s difficult to make out _____it is he is trying to express.A. thatB. howC. whoD. what【答案】D【解析】句意为:他的笔迹非常混乱,很难弄清他想表达什么意思。
本题考查动词短语make out引起的的宾语从句,该空在宾语从句中作express的宾语,表示事物,故选择D项。
That在宾语从句中不作句子成分;how作方式状语;who作主语,指人。
只有what可用作宾语并且指事物。
(2011﹒四川﹒T10)Our teachers always tell us to believe in ________ we do and who we are if we want to succeed.A. whyB. howC. whatD. which【答案】C【解析】in介词之后所接的宾语从句中缺少及物动词do的宾语,指事物,故填what。
why“为什么”;how“怎么样”;which“哪一个”。
(2011﹒辽宁﹒T23)Twenty students want to attend the class that aims to teach ______ to read first.A. whatB. who . how D. why【答案】C【解析】句子意思:20个学生想要去听旨在教授如何快速阅读的课程。
根据句子结构可知,that aims to teach ______ to read first.是定语从句,修饰先行词class,在此定语从句中,teach后接的宾语从句中缺少表示方式的连接词,故how正确。
此处为“连接词+to do”结构。
(2011﹒辽宁﹒T32)When the news came _____ the war broke out, he decided, to serve in the army.A. sinceB. whichC. thatD. because【答案】C【解析】句意:当战争爆发的消息传来时,他决定去部队服役。
此处的“ the war broke out”解释说明the news的具体内容,且从句中不缺少成分,故为同位语从句,用that连接。
(2011﹒天津﹒T13)Modern science has given clear evidence ______ smoking can lead to many diseases.A. whatB. whichC. thatD. where【答案】C【解析】句意为:现代科技已经给出了充分的证据,表明吸烟可能引起许多疾病。
(2011﹒陕西﹒T15)I’d like to start my own business–that’s ____ I’d do if I had the money.A. whyB. whenC. whichD. what【答案】D【解析】后面从句不完整,do后面缺少宾语,所以要填连接代词what,答案D。
(2011﹒重庆﹒T22)It is still under discussion __________the old bus station should be replaced with a modern hotel or not.A. whetherB. whenC. whichD. where【答案】A【解析】still under discussion“还在讨论中”说明“旧中巴车站是否应该被一个宾馆替代”还没决定。
且根据后面的whether…or not也可以做出正确选择。
(2011﹒重庆﹒T34)It is not always easy for the public to see _______ use a new invention can be of to human life.A. whoseB. whatC. whichD. that【答案】B【解析】What引导宾语从句,同时在从句中作use的定语。
还原句子为“a new invention can be of what use”。
(2011﹒湖南﹒T31)Before a problem can be solved, it must be obvious ______the problem itself is.A. whatB. thatC. whichD. why【答案】A【解析】从句中缺表语,排除B和D;又因题目没有给出problem的范围,故选A;句意:在解决问题之前,一定要弄清楚问题是什么。
(2012﹒安徽﹒T27)The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment.A. whereB. whetherC. thatD. why【答案】B【解析】根据句意,表示是否之意。
(2012﹒重庆﹒T34)Evidence has been found through years of study______ children’s early sleeping problems are likely to continue when they grow up.A. whyB. howC. whetherD. that【答案】D【解析】此处考查的是同位语从句,that表陈述,描述evidence。
(2012﹒全国卷﹒T24)It is by no means clear the president can do to end the strike.A. howB. whichC. thatD. what【答案】D【解析】此处it作形式主语,替代that引导的主语从句,that表陈述。
(2012﹒北京﹒T24)Jerry did not regret giving the comment but felt ______ he could have expressed it differently.A. whyB. howC. thatD. whether【答案】C【解析】此处表陈述,用that引导宾语从句。
(2012﹒福建﹒T35)We promise _____ attends the party a chance to have a photo taken with the movie star.A. whoB. whomC. whoeverD. whomever【答案】C【解析】此处whoever引导关系从句,解释为anyone who。