1、Selected历年考研英语一完形填空真题docThehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals,1thisislargelybecause,2animals,westandupright.Thismeansthatournosesare3toperceivingthosesmellswhichfloatthroughtheair,4themajorityofsmellswhichsticAtosurfaces.Infact5,weareeGtremely
2、sensitivetosmells,6wedonotgenerallyrealizeit.Ournosesarecapableof7humansmellsevenwhentheseare8tofarbelowonepartinonemillion.Strangely,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,9othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate1
3、0smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend11tothebrain.However,ithasbeenfoundthatevenpeopleinsensitivetoacertainsmell12cansuddenlybecomesensitivetoitwhen13toitoftenenough.TheeGplanationforinsensitivitytosmellseemstobethatbrainfindsit14toAeepallsmellreceptorsworAingallt
4、hetimebutcan15newreceptorsifnecessary.Thismay16eGplainwhywearenotusuallysensitivetoourownsmellswesimplydonotneedtobe.Wearenot17oftheusualsmellofourownhousebutwe18newsmellswhenwevisitsomeoneelses.ThebrainfindsitbesttoAeepsmellreceptors19forunfamiliarandemergencysignals20thesmellofsmoAe,whichmightindi
5、catethedangeroffire.1.AalthoughBasCbutDwhile2.AaboveBunliAeCeGcludingDbesides3.AlimitedBcommittedCdedicatedDconfined4.AcatchingBignoringCmissingDtracAing5.AanywayBthoughCinsteadDtherefore6.AevenifBifonlyConlyifDasif7.AdistinguishingBdiscoveringCdeterminingDdetecting8.AdilutedBdissolvedCdeterminingDd
6、iffused9.AwhenBsinceCforDwhereas10.AunusualBparticularCuniqueDtypical11.AsignsBstimuliCmessagesDimpulses12.AatfirstBatallCatlargeDattimes13.AsubjectedBleftCdrawnDeGposed14.AineffectiveBincompetentCinefficientDinsufficient15.AintroduceBsummonCtriggerDcreate16.AstillBalsoCotherwiseDnevertheless17.Asur
7、eBsicACawareDtired18.AtolerateBrepelCneglectDnotice19.AavailableBreliableCidentifiableDsuitable20.AsimilartoBsuchasCalongwithDasidefromThehomelessmaAeupagrowingpercentageofAmericaspopulation.1homelessnesshasreachedsuchproportionsthatlocalgovernmentcantpossibly2.Tohelphomelesspeople3independence,thef
8、ederalgovernmentmustsupportjobtrainingprograms,4theminimumwage,andfundmorelow-costhousing.5everyoneagreesonthenumbersofAmericanswhoarehomeless.Estimates6anywherefrom600,000to3million.7thefiguremayvary,analystsdoagreeonanothermatter:thatthenumberofthehomelessis8,oneofthefederalgovernmentsstudies9that
9、thenumberofthehomelesswillreachnearly19millionbytheendofthisdecade.Findingwaysto10thisgrowinghomelesspopulationhasbecomeincreasinglydifficult.11whenhomelessindividualsmanagetofinda12thatwillgivethemthreemealsadayandaplacetosleepatnight,agoodnumberstillspendthebulAofeachday13thestreet.Partoftheproble
10、misthatmanyhomelessadultsareaddictedtoalcoholordrugs.Andasignificantnumberofthehomelesshaveseriousmentaldisorders.Manyothers,14notaddictedormentallyill,simplylacAtheeveryday15sAillsneededtoturntheirlives16.BostonGlobereporterChrisReedynotesthatthesituationwillimproveonlywhenthereare17programsthatadd
11、ressthemanyneedsofthehomeless.18EdwardZlotAowsAi,directorofcommunityserviceatBentleyCollegeinMassachusetts,19it.Therehastobe20ofprograms.WhatweneedisapacAagedeal.1.AIndeedBLiAewiseCThereforeDFurthermore2.AstandBcopeCapproveDretain3.AinBforCwithDtoward4.AraiseBaddCtaAeDAeep5.AGenerallyBAlmostCHardlyD
12、Not6.AcoverBchangeCrangeDdiffer7.ANowthatBAlthoughCProvidedDEGceptthat8.AinflatingBeGpandingCincreasingDeGtending9.ApredictsBdisplaysCprovesDdiscovers10.AassistBtracACsustainDdismiss11.AHenceBButCEvenDOnly12.AlodgingBshelterCdwellingDhouse13.AsearchingBstrollingCcrowdingDwandering14.AwhenBonceCwhile
13、Dwhereas15.AlifeBeGistenceCsurvivalDmaintenance16.AaroundBoverConDup17.AcompleGBcomprehensiveCcomplementaryDcompensating18.ASoBSinceCAsDThus19.AputsBinterpretsCassumesDmaAes20.AsupervisionBmanipulationCregulationDcoordinationBy1830theformerSpanishandPortuguesecolonieshadbecomeindependentnations.Ther
14、oughly20million1ofthesenationslooAed2tothefuture.BorninthecrisisoftheoldregimeandIberianColonialism,manyoftheleadersofindependence3theidealsofrepresentativegovernment,careers4totalent,freedomofcommerceandtrade,the5toprivateproperty,andabeliefintheindividualasthebasisofsociety.6therewasabeliefthatthe
15、newnationsshouldbesovereignandindependentstates,largeenoughtobeeconomicallyviableandintegratedbya7setoflaws.Ontheissueof8ofreligionandthepositionofthechurch,9,therewaslessagreement10theleadership.RomanCatholicismhadbeenthestatereligionandtheonlyone11bytheSpanishcrown.12mostleaderssoughttomaintainCat
16、holicism13theofficialreligionofthenewstates,somesoughttoendthe14ofotherfaiths.ThedefenseoftheChurchbecamearallying15fortheconservativeforces.Theidealsoftheearlyleadersofindependencewereoftenegalitarian,valuingequalityofeverything.BolivarhadreceivedaidfromHaitiandhad16inreturntoabolishslaveryintheare
17、asheliberated.By1854slaveryhadbeenabolishedeverywhereeGceptSpains17colonies.EarlypromisestoendIndiantributeandtaGesonpeopleofmiGedorigincamemuch18becausethenewnationsstillneededtherevenuesuchpolicies19.Egalitariansentimentswereoftentemperedbyfearsthatthemassofthepopulationwas20self-ruleanddemocracy.
18、1.AnativesBinhabitantsCpeoplesDindividuals2.AconfusedlyBcheerfullyCworriedlyDhopefully3.AsharedBforgotCattainedDrejected4.ArelatedBcloseCopenDdevoted5.AaccessBsuccessionCrightDreturn6.APresumableBIncidentallyCObviouslyDGenerally7.AuniqueBcommonCparticularDtypical8.AfreedomBoriginCimpactDreform9.Athe
19、reforeBhoweverCindeedDmoreover10.AwithBaboutCamongDby11.AallowedBpreachedCgrantedDfunded12.ASinceBIfCUnlessDWhile13.AasBforCunderDagainst14.AspreadBinterferenceCeGclusionDinfluence15.AsupportBcryCpleaDwish16.AurgedBintendedCeGpectedDpromised17.AcontrollingBformerCremainingDoriginal18.AslowerBfasterC
20、easierDtougher19.AcreatedBproducedCcontributedDpreferred20.ApuzzledbyBhostiletoCpessimisticaboutDunpreparedforTheideathatsomegroupsofpeoplemaybemoreintelligentthanothersisoneofthosehypothesesthatdarenotspeaAitsname.ButGregoryCochranis1tosayitanyway.Heisthat2bird,ascientistwhoworAsindependently3anyin
21、stitution.Hehelpedpopularizetheideathatsomediseasesnot4thoughttohaveabacterialcausewereactuallyinfections,whicharousedmuchcontroversywhenitwasfirstsuggested.5he,however,mighttrembleatthe6ofwhatheisabouttodo.Togetherwithanothertwoscientists,heispublishingapaperwhichnotonly7thatonegroupofhumanityismor
22、eintelligentthantheothers,buteGplainstheprocessthathasbroughtthisabout.Thegroupin8areaparticularpeopleoriginatedfromcentralEurope.Theprocessisnaturalselection.ThisgroupgenerallydowellinIQtest,912-15pointsabovethe10valueof100,andhavecontributed11totheintellectualandculturallifeoftheWest,asthe12ofthei
23、relites,includingseveralworld-renownedscientists,13heyalsosuffermoreoftenthanmostpeoplefromanumberofnastygeneticdiseases,suchasbreastcancer.Thesefacts,14avepreviouslybeenthoughtunrelated.Theformerhasbeen15socialeffects,suchasastrongtraditionof16ucation.Thelatterwasseenasa(an)17geneticisolation.Dr.Co
24、chransuggeststhattheintelligenceanddiseasesareintimately18isargumentisthattheunusualhistoryofthesepeoplehas19emtouniqueevolutionarypressuresthathaveresultedinthis20ateofaffairs.1.AselectedBpreparedCobligedDpleased2.AuniqueBparticularCspecialDrare3.AofBwithCinDagainst4.AsubsequentlyBpresentlyCpreviou
25、slyDlately5.AOnlyBSoCEvenDHence6.AthoughtBsightCcostDrisA7.AadvisesBsuggestsCprotestsDobjects8.AprogressBfactCneedDquestion9.AattainingBscoringCreachingDcalculating10.AnormalBcommonCmeanDtotal11.AunconsciouslyBdisproportionatelyCindefinitelyDunaccountably12.AmissionsBfortunesCinterestsDcareers13.Aaf
26、firmBwitnessCobserveDapprove14.AmoreoverBthereforeChoweverDmeanwhile15.AgivenupBgotoverCcarriedonDputdown16.AassessingBsupervisingCadministeringDvaluing17.AdevelopmentBoriginCconsequenceDinstrument18.AlinAedBintegratedCwovenDcombined19.AlimitedBsubjectedCconvertedDdirected20.AparadoGicalBincompatibl
27、eCinevitableDcontinuousResearchonanimalintelligencealwaysmaAesmewonderjusthowsmarthumansare.1thefruit-flyeGperimentsdescribedinCarlZimmerspieceintheScienceTimesonTuesday.Fruitflieswhoweretaughttobesmarterthantheaveragefruitfly2toliveshorterlives.Thissuggeststhat3bulbsburnlonger,thatthereisan4innotbe
28、ingtooterrificallybright.Intelligence,it5,isahigh-pricedoption.IttaAesmoreupAeep,burnsmorefuelandisslow6thestartinglinebecauseitdependsonlearning-a7process-insteadofinstinct.Plentyofotherspeciesareabletolearn,andoneofthethingstheyveapparentlylearnediswhento8.Isthereanadaptivevalueto9intelligence?Tha
29、tsthequestionbehindthisnewresearch.IliAeit.Insteadofcastingawistfulglance10atallthespeciesweveleftinthedustI.Q.-wise,itimplicitlyasAswhatthereal11ofourownintelligencemightbe.Thisis12themindofeveryanimalIveevermet.ResearchonanimalintelligencealsomaAesmewonderwhateGperimentsanimalswould13onhumansifthe
30、yhadthechance.Everycatwithanowner,14,isrunningasmallscalestudyinoperantconditioning.Webelievethat15animalsranthelabs,theywouldtestusto16thelimitsofourpatience,ourfaithfulness,ourmemoryforterrain.Theywouldtrytodecidewhatintelligenceinhumansisreally17,notmerelyhowmuchofitthereis.18,theywouldhopetostudya19question:Arehumansactuallyawareoftheworldtheylivein?20theresultsareinconclusive.1.ASupposeBConsiderCObserveDImagine2.AtendedBfea
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