1991年2月GRE考试真题

免费提供各种资格考试真题、模拟题、练习题、精选题及答案免费提供各种资格考试真题、模拟题、练习题、精选题及答案1991年2月GRE考试真题SECTION11.TheChinese,whobegansystematicastronomicalandweatherobservationsshortlyaftertheancientEgyptians,wereassiduousrecord-keepers,andbecauseofthis,canclaimhumanity'slongestcontinuous--------ofnaturalevents.(A)defiance(B)documentation(C)maintenance(D)theory(E)domination2.Becausemanyofthemineralsfoundontheoceanfloorarestill-------onland,whereminingisrelativelyinexpensive,miningtheoceanfloorhasyettobecomea-------enterprise.(A)scarce..common(B)accessible..marginal(C)unidentified..subsidized(D)conserved..public(E)plentiful..profitable3.Thevaledictoryaddress,asithasdevelopedinAmericancollegesanduniversitiesovertheyears,hasbecomeaverystrictform,aliterary-------thatpermitsverylittle-------.(A)text..clarity(B)work..tradition(C)genre..deviation免费提供各种资格考试真题、模拟题、练习题、精选题及答案免费提供各种资格考试真题、模拟题、练习题、精选题及答案(D)oration..grandiloquence(E)achievement..rigidity4.Ahumanbeingisquite-------creature,fortheglossofrationalitythatcovershisorherfearsand-------isthinandofteneasilybreached.(A)alogical..problems(B)afrail..insecurity(C)avaliant..phobias(D)anambitious..morality(E)aludicrous..laughter5.Althoughthepassageofyearshassoftenedtheinitiallyhostilereactiontohispoetry,evennowonlyafewindependentobservers-------hisworks.(A)praise(B)revile(C)scrutinize(D)criticize(E)neglect6.Unlikephilosopherswhoconstructedtheoreticallyidealstates,shebuiltatheorybasedon-------;thus,althoughherconstructsmayhavebeeninelegant,theywere------sound.(A)reality..aesthetically(B)intuition..intellectually(C)surmise..scientifically(D)experience..empirically(E)conjecture..factually免费提供各种资格考试真题、模拟题、练习题、精选题及答案免费提供各种资格考试真题、模拟题、练习题、精选题及答案7.Onceaducklinghasidentifiedaparent,theinstinctivebondbecomesapowerful-------foradditionallearningsince,by-------theparent,theducklingcanacquirefurtherinformationthatisnotgeneticallytransmitted.(A)impulse..surpassing(B)referent..recognizing(C)force..acknowledging(D)inspiration..emulating(E)channel..mimicking8.INFLATE:BURST::(A)atrophy:evaporate(B)pull:tear(C)expose:hide(D)excavate:increase(E)break:shatter9.FLIP:RESPECT::(A)curt:ignorance(B)bleak:firmness(C)wry:humor(D)nonchalant:concern(E)rash:promptness10.REQUEST:COMMAND::(A)propose:stipulate(B)enlist:support(C)relegate:consign(D)volunteer:accept免费提供各种资格考试真题、模拟题、练习题、精选题及答案免费提供各种资格考试真题、模拟题、练习题、精选题及答案(E)select:reject11.BOUNDLESS:LIMIT::(A)truncated:length(B)voracious;appetite(C)impeccable:flaw(D)fascinating:interest(E)syncopated:beat12.MOLT:BIRD::(A)slough:snake(B)hibernate:bear(C)metamorphose:spider(D)shuck:oyster(E)hatch:egg13.RENOUNCE:PLEDGE::(A)exculpate:victim(B)desecrate:shrine(C)recriminate:hero(D)redeem:honor(E)rescind:order14.COWARD:CRAVEN::(A)liar:facetious(B)dupe:gullible(C)commentator:caustic(D)judge:impartial(E)criminal:hostile免费提供各种资格考试真题、模拟题、练习题、精选题及答案免费提供各种资格考试真题、模拟题、练习题、精选题及答案15.ENFRANCHISE:VOTE::(A)advertise:sell(B)fumigate:kill(C)filter:purify(D)illuminate:see(E)ignite:burn16.STRUT:WING::(A)beam:door(B)axle:wheel(C)guy:pylon(D)root:plant(E)twig:branchAsGilbertWhite,Darwin,andothersobservedlongago,allspeciesappeartohavetheinnatecapacitytoincreasetheirnumbersfromgenerationto(5)generation.Thetaskforecologistsistountangletheenvironmentalandbiologicalfactorsthatholdthisintrinsiccapacityforpopulationgrowthincheckoverthelongrun.Thegreat(10)varietyofdynamicbehaviorsexhibitedbydifferentpopulationsmakesthistaskmoredifficult:somepopulationsremainroughlyconstantfromyeartoyear;othersexhibitregularcyclesof免费提供各种资格考试真题、模拟题、练习题、精选题及答案免费提供各种资格考试真题、模拟题、练习题、精选题及答案(15)abundanceandscarcity;stillothersvarywildly,withoutbreaksandcrashesthatareinsomecasesplainlycorrelatedwiththeweather,andinothercasesnot.(20)Toimposesomeorderonthiskaleidoscopeofpatterns,oneschoolofthoughtproposesdividingpopulationsintotwogroups.Theseecologistspositthattherelativelysteadypopulations(25)havedensity-dependentgrowthparameters;thatis,ratesofbirth,death,andmigrationwhichdependstronglyonpopulationdensity.Thehighlyvaryingpopulationshave(30)density-independentgrowthparameters,withvital,ratesbuffetedbyenvironmentalevents;theseratesfluctuateinawaythatiswhollyindependentofpopulationdensity.(35)Thisdichotomyhasitsuses,butitcancauseproblemsiftakentooliterally.Foronething,nopopulationcanbedrivenentirelybydensity-independentfactorsallthe(40)time.Nomatterhowseverelyorunpredictablybirth,deathandmigrationratesmaybefluctuatingaroundtheirlong-termaverages,iftherewereno免费提供各种资格考试真题、模拟题、练习题、精选题及答案免费提供各种资格考试真题、模拟题、练习题、精选题及答案density-dependenteffects,the(45)populationwould,inthelongrun,eitherincreaseordecreasewithoutbound(barringamiraclebywhichgainsandlossescanceledexactly).Putanotherway,itmaybethatonaverage(50)99percentofalldeathsinapopulationarisefromdensity-independentcauses,andonlyonepercentfromfactorsv