最新考研英语完形填空真题解析.pdf
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1、欢迎您阅读并下载本文档,本文档来源于互联网,如有侵权请联系删除!我们将竭诚为您提供优质的文档!2005 年考研英语完形填空真题解析 The human nose is an underrated tool.Humans are often thought to be insensitive smellers compared with animals,1this is largely because,2animals,we stand upright.This means that our noses are 3 to perceiving those smells which float t
2、hrough the air,4 the majority of smells which stick to surfaces.In fact,5,we are extremely sensitive to smells,6 we do not generally realize it.Our noses are capable of 7 human smells even when these are 8 to far below one part in one million.Strangely,some people find that they can smell one type o
3、f flower but not another,9 others are sensitive to the smells of both flowers.This may be because some people do not have the genes necessary to generate 10 smell receptors in the nose.These receptors are the cells which sense smells and send 11 to the brain.However,it has been found that even peopl
4、e insensitive to a certain smell 12 can suddenly become sensitive to it when 13 to it often enough.The explanation for insensitivity to smell seems to be that the brain finds it 14 to keep all smell receptors working all the time but can 15 new receptors if necessary.This may 16 explain why we are n
5、ot usually sensitive to our own smells-we simply do not need to be.We are not 17 of the usual smell of our own house,but we 18 new smells when we visit someone elses.The brain finds it best to keep smell receptors 19 for unfamiliar and emergency signals 20 the smell of smoke,which might indicate the
6、 danger of fire.1.A althoughB asC butD while 2.A aboveB unlikeC excludingD besides 欢迎您阅读并下载本文档,本文档来源于互联网,如有侵权请联系删除!我们将竭诚为您提供优质的文档!3.A limitedB committedC dedicatedD confined 4.A catchingB ignoringC missingD tracking 5.A anywayB thoughC insteadD therefore 6.A even ifB if onlyC only ifD as if 7.A dist
7、inguishingB discoveringC determiningD detecting 8.A dilutedB dissolvedC dispersedD diffused 9.A whenB sinceC forD whereas 10.A unusualB particularC uniqueD typical 11.A signsB stimuliC messagesD impulses 12.A at firstB at allC at largeD at times 13.A subjectedB leftC drawnD exposed 14.A ineffectiveB
8、 incompetentC inefficientD insufficient 15.A introduceB summonC triggerD create 16.A stillB alsoC otherwiseD nevertheless 17.A sureB stickC awareD tired 欢迎您阅读并下载本文档,本文档来源于互联网,如有侵权请联系删除!我们将竭诚为您提供优质的文档!18.A tolerateB repelC neglectD notice 19.A availableB reliableC identifiableD suitable 20.A similar
9、toB such asC along withD aside from 文章背景 文章的主题是人的鼻子,作者谈论的中心议题是我们常常低估了鼻子的功能。作者通过介绍人们对鼻子感知功能的误解和鼻子事实上具有的功能,对比了人们对气味的敏感性,以及大脑对鼻子感知的调节作用。文章结构 文章第一段提出论点 The human nose is an underrated tool(人的鼻子是一种被低估的工具)。第二段和第三段分别对人们认为人类的嗅觉不灵敏的原因进行反驳,并作出解释。答案详解 1.【解析】C 逻辑衔接题。Humans are often thought to be insensitive sm
10、ellers compared with animals,this is largely because,animals,we stand upright.人们常常认为,与动物相比,人类的嗅觉不够敏锐,而这在很大程度上是因为人类直立行走,这一点与动物。although 表示让步;as 表示时间或者原因;but 表示转折关系;while 表示时间或者对比。四个选项中,but 是表示转折的并列连词,but 后面的内容是语句重心所在。While 也可以表示对比、转折,但作为从属连词也有让步含义。从本题前后的语义关系来看,后半句语义应当是重心所在。因此,正确答案为 C。2.【解析】B 语义衔接题。th
11、is is largely because,animals,we stand upright.而这在很大程度上是因为人类直立行走,这一点与动物 人类直立行走,而动物却不同。因此,正确答案为 B。3.【解析】A 语义衔接/词汇辨析题。This means that our noses areto perceiving those smells which float through the air.这意味着我们的鼻子闻到漂浮在空气中的气味。选项 A.be limited to 被限制在;B.be committed to 被交给,答应承担义务;C.be dedicated to 奉献,献给;D.
12、be confined to 限制在,局限于。根据句意可以排除 B、C 项。be confined to 有把局限/限制于的含义,但是它一般用于具体范围的局限、限制,与句子的语境不符。因此,正确答案为 A。4.【解析】C 语义衔接题。本题目选择介词或者现在分词,将前面的句子和后面的名词连接到一起,体现紧密的逻辑关系。句子叙述到 This means that our noses are limited to perceiving those smells which float through the air,the majority of smells which stick to surf
13、aces.这意味着我们的鼻子只能闻到漂浮在空气中的气味,大多数在地表附近的气味。不难发现,人类闻到的气味有限,没有闻到的地表的气味很多。选项 A.catching 抓住;B.ignoring 忽略;C.missing 错过;D.tracking 跟踪,追溯。前面说我们的鼻子只能闻到浮在空气中的气味,对于大部分停留在表面的气味当然是闻不到。首先可以排除 A、D 项,ignore 含有有意不的意思,显然不符合语境。故正确答案为 C。5.【解析】B 逻辑衔接题。In fact,we are extremely sensitive to smells,we do not generally reali
14、ze it.由于本句中的 in fact 提示了转折关系,因此要选择转折的逻辑关系词。选项 A.anyway 无论如何(表示让步);B.though 虽然(表示让步或转折);C.instead 相反;D.therefore 因此(表示结果)。四个选项中,只有 though 能与 in fact 连用表示转折(不过,事实上)。因此,正确答案为 B。欢迎您阅读并下载本文档,本文档来源于互联网,如有侵权请联系删除!我们将竭诚为您提供优质的文档!6.【解析】A 逻辑衔接题。In fact,though,we are extremely sensitive to smells,we do not gen
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