2005年考研英语真题修订版

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1、杭州新东方考研全科2005年全国硕士研究生入学统一考试英语试题SectionI　UseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmark[A],[B],[C]or[D]onANSWERSHEET1(10points)Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals,__1__thisislargelybecause,

2、__2__animals,westandupright.Thismeansthatournosesare__3__toperceivingthosesmellswhichfloatthroughtheair,__4__themajorityofsmellswhichsticktosurfaces.Infact,__5__,weareextremelysensitivetosmells,__6__wedonotgenerallyrealizeit.Ournosesarecapableof__7__humansmellsevenwhentheseare__8__tofarbelow

3、onepartinonemillion.Strangely,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,__9__othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate__10__smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend__11__tothebrai

4、n.However,ithasbeenfoundthatevenpeopleinsensitivetoacertainsmell__12__cansuddenlybecomesensitivetoitwhen__13__toitoftenenough.Theexplanationforinsensitivitytosmellseemstobethatbrainfindsit__14__tokeepallsmellreceptorsworkingallthetimebutcan__15__newreceptorsifnecessary.Thismay__16__explainwh

5、ywearenotusuallysensitivetoourownsmellswesimplydonotneedtobe.Wearenot__17__oftheusualsmellofourownhousebutwe__18__newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors__19__forunfamiliarandemergencysignals__20__thesmellofsmoke,whichmightindicatethedangeroffire.1.[A]althou

6、gh[B]as[C]but[D]while2.[A]above[B]unlike[C]excluding[D]besides3.[A]limited[B]committed[C]dedicated[D]confined4.[A]catching[B]ignoring[C]missing[D]tracking5.[A]anyway[B]though[C]instead[D]therefore6.[A]evenif[B]ifonly[C]onlyif[D]asif7.[A]distinguishing[B]discovering[C]determining[D]detecting8

7、.[A]diluted[B]dissolved[C]determining[D]diffused9.[A]when[B]since[C]for[D]whereas10[A]unusual[B]particular[C]unique[D]typical11.[A]signs[B]stimuli[C]messages[D]impulses12.[A]atfirst[B]atall[C]atlarge[D]attimes13.[A]subjected[B]left[C]drawn[D]expose