2005年全国硕士研究生入学考试英语试题及解析

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1、万学教育海文考研遥遥领先的中国第一考研品牌2005年全国硕士研究生入学考试英语试题SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDonANSWERSHEET1.(10points)Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellersco

2、mparedwithanimals,(1)____thisislargelybecause,(2)____animals,westandupright.Thismeansthatournosesare(3)____toperceivingthosesmellswhichfloatthroughtheair,(4)____themajorityofsmellswhichsticktosurfaces.Infact,(5)____,weareextremelysensitivetosmells,(6

3、)____wedonotgenerallyrealizeit.Ournosesarecapableof(7)____humansmellsevenwhentheseare(8)____tofarbelowonepartinonemillion.Strangely,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,(9)____othersaresensitivetothesmellsofbothflowers.Thismaybe

4、becausesomepeopledonothavethegenesnecessarytogenerate(10)____smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend(11)____tothebrain.However,ithasbeenfoundthatevenpeopleinsensitivetoacertainsmell(12)____cansuddenlybecomesensitiveto

5、itwhen(13)____toitoftenenough.Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit(14)____tokeepallsmellreceptorsworkingallthetimebutcan(15)____newreceptorsifnecessary.Thismay(16)____explainwhywearenotusuallysensitivetoourownsmells——wesi

6、mplydonotneedtobe.Wearenot(17)____oftheusualsmellofourownhouse,butwe(18)____newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors(19)____forunfamiliarandemergencysignals(20)____thesmellofsmoke,whichmightindicatethedangeroffire.1.[

7、A]although[B]as[C]but[D]while2.[A]above[B]unlike[C]excluding[D]besides3.[A]limited[B]committed[C]dedicated[D]confined17考研服务专线：010—82504117一切研招信息尽在：www.hwkaoyan.com万学教育海文考研遥遥领先的中国第一考研品牌4.[A]catching[B]ignoring[C]missing[D]tracking17考研服务专线：010—82504117

8、一切研招信息尽在：www.hwkaoyan.com万学教育海文考研遥遥领先的中国第一考研品牌5.[A]anyway[B]though[C]instead[D]therefore17考研服务专线：010—82504117一切研招信息尽在：www.hwkaoyan.com万学教育海文考研遥遥领先的中国第一考研品牌6.[A]evenif[B]ifonly[C]onlyif[D]asif17考研服务专线：010—82504117一切研招信息尽在：www.hwkaoyan.com万学教育海文考研遥遥领先的