1、考研英语-643 及答案解析(总分：100.00，做题时间：90 分钟)一、Section Use of Eng(总题数：0，分数：0.00)二、The government is to(总题数：20，分数：10.00)1.（分数：0.50）A.authorizedB.creditedC.entitledD.qualified2.（分数：0.50）A.publicityB.penaltyC.popularityD.peculiarity3.（分数：0.50）A.whatB.whenC.whichD.that4.（分数：0.50）A.changesB.makesC.setsD.turns5.（分
2、数：0.50）A.tighteningB.intensifyingC.focusingD.fastening6.（分数：0.50）A.ReleaseB.PublicationC.PrintingD.Exposure7.（分数：0.50）A.as toB.for instanceC.in particularD.such as8.（分数：0.50）A.stormB.rageC.flareD.flash9.（分数：0.50）A.illogicalB.illegalC.improbableD.improper10.（分数：0.50）A.withB.toC.fromD.by11.（分数：0.50）A.
3、presentB.offerC.manifestD.indicate12.（分数：0.50）A.statedB.remarkedC.saidD.told13.（分数：0.50）A.sidedB.sharedC.compliedD.agreed14.（分数：0.50）A.assureB.confideC.ensureD.guarantee15.（分数：0.50）A.sinceB.ifC.beforeD.as16.（分数：0.50）A.better thanB.other thanC.rather thanD.sooner than17.（分数：0.50）A.translationB.interp
4、retationC.exhibitionD.demonstration18.（分数：0.50）A.impactB.incidentC.inferenceD.issue19.（分数：0.50）A.sketchB.roughC.preliminaryD.draft20.（分数：0.50）A.bindingB.convincingC.restrainingD.sustaining三、Section Reading Co(总题数：0，分数：0.00)四、Part A(总题数：0，分数：0.00)五、Text 1(总题数：5，分数：10.00)21.The word “intriguing“ in pa
5、ragraph 3 refers to _.（分数：2.00）A.tractableB.dauntlessC.heroicD.appealing22.According to this passage, _may result in the imbalance of bacteria in your intestines.（分数：2.00）A.antibiotic treatment for an ear infectionB.taking pills which contain freeze-dried germsC.eating yogurt or buttermilkD.eating p
6、roducts made from fermented milk23.It isnt said in the passage that L-GG can be used to _.（分数：2.00）A.lessen symptoms of Crohns diseaseB.fight against rotavirusC.treat traveler s diarrheaD.treat intestinal upsets caused by antibiotics24.This passage is mainly about _.（分数：2.00）A.the definition of bact
7、eriaB.health germsC.probioticsD.probiotics versus antibiotics25.What the author mainly intends to say in the first paragraph is _.（分数：2.00）A.that nasty germs can make you really sickB.that the word bacteria doesnt refer to the germs which make people sickC.the beneficial effects that most bacteria m
8、ay produce on human bodyD.the possibility that beneficial bacteria may stop vaginal infections in women六、Text 2(总题数：5，分数：10.00)26.The author considers that a fairy story is more effective when it is _.（分数：2.00）A.repeated without variationB.treated with reverenceC.adapted by the parentD.set in the pr
9、esent27.The advantage claimed for repeating fairy stories to young children is that it _.（分数：2.00）A.makes them come to term with their fearsB.develops their power of memoryC.convinces them there is nothing to be afraid ofD.encourages them not to have ridiculous beliefs28.Some people dislike fairy st
10、ories because they feel that they _.（分数：2.00）A.tempt people to be cruel to childrenB.show the primitive cruelty in childrenC.lend themselves to undesirable experiments with childrenD.increase a tendency to sadism in children29.The authors mention of broomsticks and telephones is meant to suggest tha
11、t _.（分数：2.00）A.fairy stories are still being made upB.there is confusion about different kinds of truthC.people try to modernise old fairy storiesD.there is more concern for children s fears nowadays30.Fairy stories are a means by which childrens impulses may be _.（分数：2.00）A.beneficially channeledB.
12、given a destructive tendencyC.held back until maturityD.effectively suppressed七、Text 3(总题数：5，分数：10.00)31.Why did Shaefer put the paper under glass?（分数：2.00）A.To prevent Rosa from feeling the print.B.To stop the reflection of heat.C.To make things as difficult as possible.D.To stop her from cheating.
13、32.The first white men to visit Samoa found people who _.（分数：2.00）A.were not entirely blindB.described things by touching themC.could see with their handsD.could see when they hold out their hands33.Which of the following statements is true?（分数：2.00）A.The men in Samoa were not quite blind.B.A girl c
14、alled Virginia could read newsprint even when she was blindfolded.C.Rosa s ability to see was confined to her fingers.D.The result of the last test on Rosa was least doubtable.34.Which of the following makes the demonstration most persuasive?（分数：2.00）A.To read through glass, blindfolded.B.To identif
15、y the eol0ar and shape of light on a screen while securely blindfolded.C.To carry out the test with someone pressing on her eyeballs.D.To work from behind a screen, blindfolded and with a card round her neck.35.From the first paragraph we can learn that _.（分数：2.00）A.very few people have the sensitiv
16、ity of the blindB.blind people can manage to see things, but not clearlyC.not everybody sees with his eyesD.it is possible to narrow the photosensitive areas of the body八、Text 4(总题数：5，分数：10.00)36.Earthquake belts are _.（分数：2.00）A.maps that show where earthquakes are likely to occurB.zones with a hig
17、h probability of earthquakesC.breaks between two sections of the earths surfaceD.the two layers of earth along a fault37.What did scientists learn about earthquakes at the Rocky Mountain Arsenal?（分数：2.00）A.They occur at about 4,000 metres below ground level.B.The injection of water into earthquake f
18、aults prevents earthquakes from occurring.C.They are usually caused by the oil in the faults.D.Harmful earthquakes earl be possibly prevented by causing small, harmless earthquakes.38.The San Andreas fault is _.（分数：2.00）A.an active fault systemB.a place where earthquakes have been predicted accurate
19、lyC.a place where earthquakes have been controlledD.the location of the Rocky Mountain39.What is the most appropriate title for the passage?（分数：2.00）A.Dangers of Earthquakes.B.Earthquake Belts and Prediction.C.Earthquake Prediction and Control.D.Earthquake Engineering in California.40.What can be sa
20、id about the experiments at Rocky Mountain Arsenal?（分数：2.00）A.They have no practical value in earthquake prevention.B.They may have practical value in earthquake prevention.C.They are certain to have practical value in earthquake prevention.D.The article does not say anything about their practical v
21、alue in earthquake prevention.九、Part B(总题数：0，分数：0.00)十、From the seventeenth(总题数：5，分数：10.00)41.（分数：2.00）填空项 1:_42.（分数：2.00）填空项 1:_43.（分数：2.00）填空项 1:_44.（分数：2.00）填空项 1:_45.（分数：2.00）填空项 1:_十一、Part C(总题数：0，分数：0.00)十二、Almost all our major(总题数：5，分数：10.00)46.（分数：2.00）_47.（分数：2.00）_48.（分数：2.00）_49.（分数：2.00）
22、_50.（分数：2.00）_十三、Section Writing(总题数：0，分数：0.00)十四、Part A(总题数：1，分数：10.00)51.You should write about 100 words on ANSWER SHEET . Do not sign your own name at the letter. You do not need to write the address. （分数：10.00）_十五、Part B(总题数：1，分数：20.00)52.You should write about 200 words neatly on ANSWER SHEET
23、.（分数：20.00）_考研英语-643 答案解析(总分：100.00，做题时间：90 分钟)一、Section Use of Eng(总题数：0，分数：0.00)二、The government is to(总题数：20，分数：10.00)1.（分数：0.50）A.authorizedB.creditedC.entitled D.qualified解析：试题分析 动词近义词辨析题。详细解答 只有 entitle 能表达“给权利(或资格)”的意思，因此，正确答案为 C。其他选项都不符合句意。2.（分数：0.50）A.publicity B.penaltyC.popularityD.peculi
24、arity解析：试题分析 名词辨析题。详细解答 publicity n.公开，填入句中符合句意，故答案为 A。3.（分数：0.50）A.whatB.whenC.whichD.that 解析：试题分析 语法知识的运用。详细解答 所填词在这里要引导一个同位语从句，这里只能用 that，故答案为 D。4.（分数：0.50）A.changesB.makes C.setsD.turns解析：试题分析 动同辨析题。详细解答 这里需填入一个系动词，表示“使怎么样”，所以，只有 B 项 makes 能填入。5.（分数：0.50）A.tightening B.intensifyingC.focusingD.fa
25、stening解析：试题分析 动名词辨析题。详细解答 tighten v.变紧，绷紧，拉紧；intensify vt.加强 focus vt.使集中在焦点上；fasten vt.扎牢，扣住。根据句意，这里填入 tightening 符合句意，故答案为 A。6.（分数：0.50）A.ReleaseB.Publication C.PrintingD.Exposure解析：试题分析 名词辨析题。详细解答 所填词表示“(信件的)公开”，所以，选用 publication 合适，故答案为 B。7.（分数：0.50）A.as toB.for instanceC.in particularD.such as
26、 解析：试题分析 连词短语辨析题。详细解答 the trial of Rosemary West 是前面 prominent cases 中的一个例子，需用 such as 与前文连接，表示列举。如用 for instance，要用逗号隔开，这里显然不行。所以，本题答案为 D。8.（分数：0.50）A.storm B.rageC.flareD.flash解析：试题分析 名词辨析题。详细解答 所填词有介词短语 of media protest 修饰，当然用 storm 更形象，故答案为 A。9.（分数：0.50）A.illogicalB.illegal C.improbableD.imprope
27、r解析：试题分析 形容词辨析题。详细解答 illegal adj违法的，不合规定的，填入句中符合前文内容，故答案为 D。10.（分数：0.50）A.with B.toC.fromD.by解析：试题分析 固定搭配。详细解答 be in safe hand with 为固定搭配，当然只能选择 A。11.（分数：0.50）A.presentB.offer C.manifestD.indicate解析：试题分析 动词近义词辨析题。详细解答 present vt介绍，引见，提出，赠送；offer vt提供；manifest vt.表明，证明；indicate vt.指出，显示，象征，预示，需要，简要地说
28、明。根据句意，填入 offer 符合句意，故答案为D。12.（分数：0.50）A.statedB.remarkedC.said D.told解析：试题分析 习惯用法。详细解答 所填词显然表示“据说”，这里只能用 said，故答案为 C。13.（分数：0.50）A.sidedB.sharedC.compliedD.agreed 解析：试题分析 固定搭配。详细解答 agree with 同意，适合(可接某种观点)，所以本题填入 agree 符合句意，正确答案应为D。comply with 遵从，照做；side with 与(某人)站在同一边，和(某人)抱同样的见解；share with 分享，分担
29、。14.（分数：0.50）A.assureB.confideC.ensure D.guarantee解析：试题分析 动词近义词辨析题。详细解答 ensure v.确保，确保，保证，填入句中符合文意，故答案为 C。其他几个词虽然都有“保证”的意思，但用在这里都不确切。15.（分数：0.50）A.sinceB.ifC.before D.as解析：试题分析 句意理解题。详细解答 填入 before 后接时间点，表示在前，符合句意，故答案为 C。16.（分数：0.50）A.better thanB.other thanC.rather than D.sooner than解析：试题分析 连词短语辨析题
30、。详细解答 rather than 胜于，填入句中符合上下文，故答案为 C。other than 不同于，除了。17.（分数：0.50）A.translationB.interpretation C.exhibitionD.demonstration解析：试题分析 名词近义词辨析题。详细解答 interpretation n.解释，阐明，填入句中符合文意。故答案为 B。18.（分数：0.50）A.impactB.incidentC.inferenceD.issue 解析：试题分析 名词辨析题。详细解答 issue n.论点，问题，这里相当于 problem，填入句中符合下文意思，故答案为 D。
31、19.（分数：0.50）A.sketchB.roughC.preliminaryD.draft 解析：试题分析 名词辨析题。详细解答 所填词要与动词 introduce 搭配，所以，填入 draft，符合句意。故答案为 D。20.（分数：0.50）A.binding B.convincingC.restrainingD.sustaining解析：试题分析 动词辨析题。详细解答 bind v.使受法规或诺言的约束，填入句中符合句意，故答案为 A。三、Section Reading Co(总题数：0，分数：0.00)四、Part A(总题数：0，分数：0.00)五、Text 1(总题数：5，分数：
32、10.00)21.The word “intriguing“ in paragraph 3 refers to _.（分数：2.00）A.tractableB.dauntlessC.heroicD.appealing 解析：试题分析 词义判断题。详细解答 根据上下文，该词所在的句子主要是讲述 L- GG 的功效，前文已提到了它的两种作用，后文显然是一种更为有意义的效用。因此，把 intriguing 理解为 appealing( adj.吸引人的)更为确切，本题答案应为 D。22.According to this passage, _may result in the imbalance o
33、f bacteria in your intestines.（分数：2.00）A.antibiotic treatment for an ear infection B.taking pills which contain freeze-dried germsC.eating yogurt or buttermilkD.eating products made from fermented milk解析：试题分析 细节题。详细解答 根据第二段最后一句话 Bat if the bad outnumber the goodfor example，after antibiotic treatment
34、 for a sinus or an ear infection，which kills normal intestinal germs as wellthe result can be diarrhea，我们可判断，A 为正确答案。23.It isnt said in the passage that L-GG can be used to _.（分数：2.00）A.lessen symptoms of Crohns disease B.fight against rotavirusC.treat traveler s diarrheaD.treat intestinal upsets ca
35、used by antibiotics解析：试题分析 事实判断题。详细解答 在第三段，作者提到 L-GG，as its called，has been used to treat travelers diarrhea and intestinal upsets caused by antibiotics. Even more intriguing, L-GG also seems to work against some viruses，including rotavirus，one of the most common causes of diarrhea in children in th
36、e US and around the world其中，对 B，C，D 三项的内容都有包括，但 A 所说的作用不在此列，应作为本题答案。24.This passage is mainly about _.（分数：2.00）A.the definition of bacteriaB.health germs C.probioticsD.probiotics versus antibiotics解析：试题分析 文章主旨题。详细解答 文章第一段的内容就已表明作者的话题是有益菌。后文结合具体的临床运用更直观地层示了有益菌的功劳。也就是说，本文的所有内容，显然是围绕 health germs 来展开的，
37、因此，答案应为 B。25.What the author mainly intends to say in the first paragraph is _.（分数：2.00）A.that nasty germs can make you really sickB.that the word bacteria doesnt refer to the germs which make people sickC.the beneficial effects that most bacteria may produce on human body D.the possibility that ben
38、eficial bacteria may stop vaginal infections in women解析：试题分析 段落主旨题。详细解答 段落开头作者指出：一提起细菌，我们总会想起那些让我们生病的病菌。而他的主要目的是要表达：其实，身体健康需要大量的有益细菌。作者还列举了这样的例子。所以，答案 C 能概括本段内容，应为正确答案。六、Text 2(总题数：5，分数：10.00)26.The author considers that a fairy story is more effective when it is _.（分数：2.00）A.repeated without variat
39、ionB.treated with reverenceC.adapted by the parent D.set in the present解析：试题分析 细节题。详细解答 第一段最后一句话，作者指出：if a parent can produce what，in the actual circumstances of the time and the individual child，is an improvement on the printed text，so much the better由此可判断，答案 C 正确。27.The advantage claimed for repea
40、ting fairy stories to young children is that it _.（分数：2.00）A.makes them come to term with their fears B.develops their power of memoryC.convinces them there is nothing to be afraid ofD.encourages them not to have ridiculous beliefs解析：试题分析 细节题。详细解答 本题答案可以从第四段第二句 Familiarity with the story by repetiti
41、on turns the pain of fear into the pleasure of the fear faced and mastered中得出，正确选项应是 A。28.Some people dislike fairy stories because they feel that they _.（分数：2.00）A.tempt people to be cruel to childrenB.show the primitive cruelty in childrenC.lend themselves to undesirable experiments with childrenD
42、.increase a tendency to sadism in children 解析：试题分析 细节题。详细解答 在第二、三段，作者分别说了人们不喜欢神话故事的两个原因，其中，第二段提到了 A charge made against fairy tales is that they harm the child by frightening him or arousing his sadistic impulsesTo prove the latterone would have to show in a controlled experiment that children who h
43、ave read fairy stories were more often guilty of cruelty than those who had not选项 D 的内容与之相符，应为正确答案。29.The authors mention of broomsticks and telephones is meant to suggest that _.（分数：2.00）A.fairy stories are still being made upB.there is confusion about different kinds of truth C.people try to moder
44、nise old fairy storiesD.there is more concern for children s fears nowadays解析：试题分析 主旨题。详细解答 第四段的主要内容是说神话所讲内容大多是虚构的，不真实的，孩子们无法学会适应现实的本领，最后一句提到：If their case were sound，the world should be full of mad men attempting to fly from New York to Philadelphia on a broomstick or covering a telephone with kiss
45、es in the belief that it was their enchanted girl-friend，目的就是对此主旨进行说明。其中，case 就是指神话故事中虚构的，不现实的事实，显然，作者的目的就是表明神话故事会让孩子们混淆事实，无法正确认识现实世界。所以，B 为正确答案。30.Fairy stories are a means by which childrens impulses may be _.（分数：2.00）A.beneficially channeledB.given a destructive tendencyC.held back until maturity
46、D.effectively suppressed 解析：试题分析 事实判断题。详细解答 本题答案同样可以从上一题的解答中推出选项 B 正确。七、Text 3(总题数：5，分数：10.00)31.Why did Shaefer put the paper under glass?（分数：2.00）A.To prevent Rosa from feeling the print. B.To stop the reflection of heat.C.To make things as difficult as possible.D.To stop her from cheating.解析：试题分析 推理题。详细解答 第二段中提到：To test the possibility that the cards reflected heat differently，he heated some and cooled others without affecting her response to themHe also fou
