2019年考研英語一考前模擬題

1、20192019年考研英語一考前模擬題年考研英語一考前模擬題SectionIUseofEnglishDirections:ReadthefollowingtextChoosethebestwd(s)feachnumberedblankmarkA，B，CDontheANSWERSHEET(10points)Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitive

2、smellerscomparedwithanimals1thisislargelybecause2animalswestupright.Thismeansthatournosesare3toperceivingthosesmellswhichfloatthroughtheair4themajityofsmellswhichsticktosurfaces.Infact5weareextremelysensitivetosmells6wed

3、onotgenerallyrealizeit.Ournosesarecapableof7humansmellsevenwhentheseare8tofarbelowonepartinonemillion.Strangelysomepeoplefindthattheycansmellonetypeofflowerbutnotanother9othersaresensitivetothesmellsofbothflowers.Thismay

4、bebecausesomepeopledonothavethegenesnecessarytogenerate10smellreceptsinthenose.Thesereceptsarethecellswhichsensesmellssend11tothebrain.Howeverithasbeenfoundthatevenpeopleinsensitivetoacertainsmell12cansuddenlybecomesensi

5、tivetoitwhen13toitoftenenough.Theexplanationfinsensitivitytosmellseemstobethatbrainfindsit14tokeepallsmellreceptswkingallthetimebutcan15newreceptsifnecessary.Thismay16explainwhywearenotusuallysensitivetoourownsmells—wesi

6、mplydonotneedtobe.Wearenot17oftheusualsmellofourownhousebutwe18newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellrecepts19funfamiliaremergencysignals20thesmellofsmokewhichmightindicatethedangeroffire.1.[A]a

7、lthough[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]igning[C]missing[D]trackingpopularculture.Peopleareabsbedinto“acultureofconsumption”launch

8、edbythe19thcenturydepartmentstesthatoffered“vastarraysofgoodsinanelegantatmosphere.Insteadofintimateshopscateringtoaknowledgeableelite”thesewerestes“anyonecouldenterregardlessofclassbackground.Thisturnedshoppingintoapubl

9、icdemocraticact.”Themassmediaadvertisingsptsareotherfcesfhomogenization.Immigrantsarequicklyfittingintothiscommonculturewhichmaynotbealtogetherelevatingbutishardlypoisonous.WritingftheNationalImmigrationFumGregyRodriguez

10、reptsthattoday’simmigrationisneitheratunprecedentedlevelsnresistanttoassimilation.In1998immigrantswere9.8percentofthepopulationin190013.6percent.Inthe10yearsprito19903.1immigrantsarrivedfevery1000residentsinthe10yearspri

11、to18909.2fevery1000.Nowconsiderthreeindicesofassimilation—languagehomeownershipintermarriage.The1990Censusrevealedthat“amajityofimmigrantsfromeachofthefifteenmostcommoncountriesofiginspokeEnglish‘well’‘verywell’afterteny

12、earsofresidence.”ThechildrenofimmigrantstendtobebilingualproficientinEnglish.“Bythethirdgenerationtheiginallanguageislostinthemajityofimmigrantfamilies.”HencethedeionofAmericaasa“graveyard”flanguages.By1996feignbnimmigra

13、ntswhohadarrivedbefe1970hadahomeownershiprateof75.6percenthigherthanthe69.8percentrateamongnativebnAmericans.FeignbnAsiansHispanics“havehigherratesofintermarriagethandoU.S.bnwhitesblacks.”BythethirdgenerationonethirdofHi