历年考研英语一完形填空真题doc.docx

历年考研英语一完形填空真题doc.docx

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历年考研英语一完形填空真题doc

Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals,1thisislargelybecause,2animals,westandupright.Thismeansthatournosesare3toperceivingthosesmellswhichfloatthroughtheair,4themajorityofsmellswhichsticktosurfaces.Infact5,weareextremelysensitivetosmells,6wedonotgenerallyrealizeit.Ournosesarecapableof7humansmellsevenwhentheseare8tofarbelowonepartinonemillion.

Strangely,somepeoplefindthattheycansmellonetypeofflowerbutnotanother,9othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate10smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend11tothebrain.However,ithasbeenfoundthatevenpeopleinsensitivetoacertainsmell12cansuddenlybecomesensitivetoitwhen13toitoftenenough.

Theexplanationforinsensitivitytosmellseemstobethatbrainfindsit14tokeepallsmellreceptorsworkingallthetimebutcan15newreceptorsifnecessary.Thismay16explainwhywearenotusuallysensitivetoourownsmellswesimplydonotneedtobe.Wearenot17oftheusualsmellofourownhousebutwe18newsmellswhenwevisitsomeoneelse's.Thebrainfindsitbesttokeepsmellreceptors19forunfamiliarandemergencysignals20thesmellofsmoke,whichmightindicatethedangeroffire.

1.[A]although[B]as[C]but[D]while

2.[A]above[B]unlike[C]excluding[D]besides

3.[A]limited[B]committed[C]dedicated[D]confined

4.[A]catching[B]ignoring[C]missing[D]tracking

5.[A]anyway[B]though[C]instead[D]therefore

6.[A]evenif[B]ifonly[C]onlyif[D]asif

7.[A]distinguishing[B]discovering[C]determining[D]detecting

8.[A]diluted[B]dissolved[C]determining[D]diffused

9.[A]when[B]since[C]for[D]whereas

10.[A]unusual[B]particular[C]unique[D]typical

11.[A]signs[B]stimuli[C]messages[D]impulses

12.[A]atfirst[B]atall[C]atlarge[D]attimes

13.[A]subjected[B]left[C]drawn[D]exposed

14.[A]ineffective[B]incompetent[C]inefficient[D]insufficient

15.[A]introduce[B]summon[C]trigger[D]create

16.[A]still[B]also[C]otherwise[D]nevertheless

17.[A]sure[B]sick[C]aware[D]tired

18.[A]tolerate[B]repel[C]neglect[D]notice

19.[A]available[B]reliable[C]identifiable[D]suitable

20.[A]similarto[B]suchas[C]alongwith[D]asidefrom

ThehomelessmakeupagrowingpercentageofAmerica'spopulation.1homelessnesshasreachedsuchproportionsthatlocalgovernmentcan'tpossibly2.Tohelphomelesspeople3independence,thefederalgovernmentmustsupportjobtrainingprograms,4theminimumwage,andfundmorelow-costhousing.

5everyoneagreesonthenumbersofAmericanswhoarehomeless.Estimates6anywherefrom600,000to3million.7thefiguremayvary,analystsdoagreeonanothermatter:

thatthenumberofthehomelessis8,oneofthefederalgovernment'sstudies9thatthenumberofthehomelesswillreachnearly19millionbytheendofthisdecade.

Findingwaysto10thisgrowinghomelesspopulationhasbecomeincreasinglydifficult.11whenhomelessindividualsmanagetofinda12thatwillgivethemthreemealsadayandaplacetosleepatnight,agoodnumberstillspendthebulkofeachday13thestreet.Partoftheproblemisthatmanyhomelessadultsareaddictedtoalcoholordrugs.Andasignificantnumberofthehomelesshaveseriousmentaldisorders.Manyothers,14notaddictedormentallyill,simplylacktheeveryday

15skillsneededtoturntheirlives16.BostonGlobereporterChrisReedynotesthatthesituationwillimproveonlywhenthereare17programsthataddressthemanyneedsofthehomeless.18EdwardZlotkowski,directorofcommunityserviceatBentleyCollegeinMassachusetts,19it."Therehastobe20ofprograms.Whatweneedisapackagedeal."

1.[A]Indeed[B]Likewise[C]Therefore[D]Furthermore

2.[A]stand[B]cope[C]approve[D]retain

3.[A]in[B]for[C]with[D]toward

4.[A]raise[B]add[C]take[D]keep

5.[A]Generally[B]Almost[C]Hardly[D]Not

6.[A]cover[B]change[C]range[D]differ

7.[A]Nowthat[B]Although[C]Provided[D]Exceptthat

8.[A]inflating[B]expanding[C]increasing[D]extending

9.[A]predicts[B]displays[C]proves[D]discovers

10.[A]assist[B]track[C]sustain[D]dismiss

11.[A]Hence[B]But[C]Even[D]Only

12.[A]lodging[B]shelter[C]dwelling[D]house

13.[A]searching[B]strolling[C]crowding[D]wandering

14.[A]when[B]once[C]while[D]whereas

15.[A]life[B]existence[C]survival[D]maintenance

16.[A]around[B]over[C]on[D]up

17.[A]complex[B]comprehensive[C]complementary[D]compensating

18.[A]So[B]Since[C]As[D]Thus

19.[A]puts[B]interprets[C]assumes[D]makes

20.[A]supervision[B]manipulation[C]regulation[D]coordination

By1830theformerSpanishandPortuguesecolonieshadbecomeindependentnations.Theroughly20million1ofthesenationslooked2tothefuture.BorninthecrisisoftheoldregimeandIberianColonialism,manyoftheleadersofindependence3theidealsofrepresentativegovernment,careers4totalent,freedomofcommerceandtrade,the5toprivateproperty,andabeliefintheindividualasthebasisofsociety.6therewasabeliefthatthenewnationsshouldbesovereignandindependentstates,largeenoughtobeeconomicallyviableandintegratedbya7setoflaws.

Ontheissueof8ofreligionandthepositionofthechurch,9,therewaslessagreement10theleadership.RomanCatholicismhadbeenthestatereligionandtheonlyone11bytheSpanishcrown.12mostleaderssoughttomaintainCatholicism13theofficialreligionofthenewstates,somesoughttoendthe14ofotherfaiths.ThedefenseoftheChurchbecamearallying15fortheconservativeforces.

Theidealsoftheearlyleadersofindependencewereoftenegalitarian,valuingequalityofeverything.BolivarhadreceivedaidfromHaitiandhad16inreturntoabolishslaveryintheareasheliberated.By1854slaveryhadbeenabolishedeverywhereexceptSpain's17colonies.EarlypromisestoendIndiantributeandtaxesonpeopleofmixedorigincamemuch

18becausethenewnationsstillneededtherevenuesuchpolicies19.Egalitariansentimentswereoftentemperedbyfearsthatthemassofthepopulationwas20self-ruleanddemocracy.

1.[A]natives[B]inhabitants[C]peoples[D]individuals

2.[A]confusedly[B]cheerfully[C]worriedly[D]hopefully

3.[A]shared[B]forgot[C]attained[D]rejected

4.[A]related[B]close[C]open[D]devoted

5.[A]access[B]succession[C]right[D]return

6.[A]Presumable[B]Incidentally[C]Obviously[D]Generally

7.[A]unique[B]common[C]particular[D]typical

8.[A]freedom[B]origin[C]impact[D]reform

9.[A]therefore[B]however[C]indeed[D]moreover

10.[A]with[B]about[C]among[D]by

11.[A]allowed[B]preached[C]granted[D]funded

12.[A]Since[B]If[C]Unless[D]While

13.[A]as[B]for[C]under[D]against

14.[A]spread[B]interference[C]exclusion[D]influence

15.[A]support[B]cry[C]plea[D]wish

16.[A]urged[B]intended[C]expected[D]promised

17.[A]controlling[B]former[C]remaining[D]original

18.[A]slower[B]faster[C]easier[D]tougher

19.[A]created[B]produced[C]contributed[D]preferred

20.[A]puzzledby[B]hostileto[C]pessimisticabout[D]unpreparedfor

Theideathatsomegroupsofpeoplemaybemoreintelligentthanothersisoneofthosehypothesesthatdarenotspeakitsname.ButGregoryCochranis1tosayitanyway.Heisthat2bird,ascientistwhoworksindependently3anyinstitution.Hehelpedpopularizetheideathatsomediseasesnot4thoughttohaveabacterialcausewereactuallyinfections,whicharousedmuchcontroversywhenitwasfirstsuggested.

5he,however,mighttrembleatthe6ofwhatheisabouttodo.Togetherwithanothertwoscientists,heispublishingapaperwhichnotonly7thatonegroupofhumanityismoreintelligentthantheothers,butexplainstheprocessthathasbroughtthisabout.Thegroupin8areaparticularpeopleoriginatedfromcentralEurope.Theprocessisnaturalselection.

ThisgroupgenerallydowellinIQtest,912-15pointsabovethe10valueof100,andhavecontributed11totheintellectualandculturallifeoftheWest,asthe12oftheirelites,includingseveralworld-renownedscientists,13heyalsosuffermoreoftenthanmostpeoplefromanumberofnastygeneticdiseases,suchasbreastcancer.Thesefacts,14avepreviouslybeenthoughtunrelated.Theformerhasbeen15socialeffects,suchasastrongtraditionof16ucation.Thelatterwasseenasa（an）17geneticisolation.Dr.Cochransuggeststhattheintelligenceanddiseasesareintimately18isargumentisthattheunusualhistoryofthesepeoplehas19emtouniqueevolutionarypressuresthathaveresultedinthis20ateofaffairs.

1.[A]selected[B]prepared[C]obliged[D]pleased

2.[A]unique[B]particular[C]special[D]rare

3.[A]of[B]with[C]in[D]against

4.[A]subsequently[B]presently[C]previously[D]lately

5.[A]Only[B]So[C]Even[D]Hence

6.[A]thought[B]sight[C]cost[D]risk

7.[A]advises[B]suggests[C]protests[D]objects

8.[A]progress[B]fact[C]need[D]question

9.[A]attaining[B]scoring[C]reaching[D]calculating

10.[A]normal[B]common[C]mean[D]total

11.[A]unconsciously[B]disproportionately[C]indefinitely[D]unaccountably

12.[A]missions[B]fortunes[C]interests[D]careers

13.[A]affirm[B]witness[C]observe[D]approve

14.[A]moreover[B]therefore[C]however[D]meanwhile

15.[A]givenup[B]gotover[C]carriedon[D]putdown

16.[A]assessing[B]supervising[C]administering[D]valuing

17.[A]development[B]origin[C]consequence[D]instrument

18.[A]linked[B]integrated[C]woven[D]combined

19.[A]limited[B]subjected[C]converted[D]directed

20.[A]paradoxical[B]incompatible[C]inevitable[D]continuous

Researchonanimalintelligencealwaysmakesmewonderjusthowsmarthumansare.1thefruit-flyexperimentsdescribedinCarlZimmer'spieceintheScienceTimesonTuesday.Fruitflieswhoweretaughttobesmarterthantheaveragefruitfly2toliveshorterlives.Thissuggeststhat3bulbsburnlonger,thatthereisan4innotbeingtooterrificallybright.

Intelligence,it5,isahigh-pricedoption.Ittakesmoreupkeep,burnsmorefuelandisslow6thestartinglinebecauseitdependsonlearning-a7process-insteadofinstinct.Plentyofotherspeciesareabletolearn,andoneofthethingsthey'veapparentlylearnediswhento8.

Isthereanadaptivevalueto9intelligence?

That'sthequestionbehindthisnewresearch.Ilikeit.Insteadofcastingawistfulglance10atallthespecieswe'veleftinthedustI.Q.-wise,itimplicitlyaskswhatthereal11ofourownintelligencemightbe.Thisis12themindofeveryanimalI'veevermet.

Researchonanimalintelligencealsomakesmewonderwhatexperimentsanimalswould13onhumansiftheyhadthechance.Everycatwithanowner,14,isrunningasmallscalestudyinoperantcond