微信公众号《考研路上的幸福哥》，考研干货最多的公众平台12005年全国硕士研究生入学统一考试英语试题SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmark[A],[B],[C]or[D]onANSWERSHEET1(10points)Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals,大1家thisislargelybecause,大2家animals,westandupright.Thismeansthatournosesare大3家toperceivingthosesmellswhichfloatthroughtheair,大4家themajorityofsmellswhichsticktosurfaces.Infact,大5家,weareextremelysensitivetosmells,大6家wedonotgenerallyrealizeit.Ournosesarecapableof大7家humansmellsevenwhentheseare大8家tofarbelowonepartinonemillion.Strangely,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,大9家othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate大10家smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend大11家tothebrain.However,ithasbeenfoundthatevenpeopleinsensitivetoacertainsmell大12家cansuddenlybecomesensitivetoitwhen大13家toitoftenenough.Theexplanationforinsensitivitytosmellseemstobethatthebrainfindsit大14家tokeepallsmellreceptorsworkingallthetimebutcan大15家newreceptorsifnecessary.Thismay大16家explainwhywearenotusuallysensitivetoourownsmells—wesimplydonotneedtobe.Wearenot大17家oftheusualsmellofourownhouse,butwe大18家newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors大19家forunfamiliarandemergencysignals大20家thesmellofsmoke,whichmightindicatethedangeroffire.微信公众号《考研路上的幸福哥》，考研干货最多的公众平台21.[A]although[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.[A]diluted[B]dissolved[C]dispersed[D]diffused9.[A]when[B]since[C]for[D]whereas10.[A]unusual[B]particular[C]unique[D]typ...
