gmat语法 精选100道必做练习题Word下载.docx

gmat语法 精选100道必做练习题Word下载.docx

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2.ThesurvivalofarareNewZealandspeciesofmistletoethatproducesspectacularspraysofscarletflowersisthreatenedbothbecausetheirleavesareextremelytastytoavoraciousopossumspeciesandalsobecausetheirflowersarepollinatedbytwospeciesofbirdswhosepopulationsareindecline.

A.isthreatenedbothbecausetheirleavesareextremelytastytoavoraciousopossumspeciesandalsobecausetheir

B.isthreatenedbothbecauseitsleavesareextremelytastytoavoraciousopossumspeciesandbecauseits

C.isthreatenedbothbecauseitsleavesareextremelytastytoavoraciousopossumspeciesandalsoits

D.arethreatenedbothbecauseitsleavesareextremelytastytoavoraciousopossumspeciesandits

E.arethreatenedbothbecausetheirleavesareextremelytastytoavoraciousopossumspeciesandbecausetheir

3.Althoughimprovedefficiencyinconvertingharvestedtreesintowoodproductsmayreduceharvestrates,itwillstimulatedemandbyincreasingsupplyandloweringprices,therebyboostingconsumption.

A.inconvertingharvestedtreesintowoodproductsmayreduceharvestrates,itwillstimulatedemandbyincreasingsupplyandloweringprices,therebyboosting

B.inconvertingharvestedtreesintowoodproductsmayreduceharvestrates,demandwillbestimulatedbecauseofincreasingsupplyandloweringprices,whichboost

C.ofconvertingharvestedtreesintowoodproductsmayreduceharvestrates,itwillstimulatedemandbyincreasingsupplyandloweringprices,whichboosts

D.ofharvestedtreesbeingconvertedintowoodproductsmayreduceharvestrates,itwillstimulatedemand,becauseitwillincreasesupplyandlowerprices,therebyboosting

E.whenharvestedtreesareconvertedintowoodproductsmayreduceharvestrates,demandwillbestimulatedbecauseofincreasingsupplyandloweringprices,whichboost

4.ThearmycutwormmothisacriticalsourceoffatformanyofYellowstoneNationalPark’sgrizzlybears;

theyoverturnrockstofindthemandconsumingasmanyas40,000apieceinasingleday.

A.bears;

theyoverturnrockstofindthemandconsumingasmanyas

B.bears;

overturningrockstofindtheinsects,consumingupto

C.bears,overturningrockstofindthemandtheyconsumeasmanyas

D.bears,andtheyoverturnrockstofindthemandconsumeupto

E.bears,whichoverturnrockstofindtheinsects,consumingasmanyas

5.Newitemsdevelopedforautomobilesinthe1997modelyearincludedasaferairbag,which,unlikepreviousairbags,eliminatedthepossibilitythataburstofsmokewouldappearwhenthebaginflated,andmakinganalreadyterrifiedpassengerthinkthecarwasonfire.

A.inflated,andmaking

B.inflated,sothatitcouldmake

C.inflatedandmade

D.inflatedandmake

E.inflatedtomake

6．Thoughthelawwillrequireemissionstestingofalldieselvehicles,fromtractortrailerstoexcursionbuses,itwillhavenoeffectonsportutilityvehicles,almostallofwhicharegasolinepowered,andwillnotbesubjectedtoemissions-controlstandardsasstringentastheyarefordiesel-poweredvehicles.

A.powered,andwillnotbesubjectedtoemissions-controlstandardsasstringentastheyarefor

B.powered,andthereforenotsubjectedtoemissions-controlstandardsthatareasstringentasthoseof

C.poweredandthereforenotsubjecttoemissions-controlstandardsasstringentasthosefor

D.powered,whicharenotsubjecttoemissions-controlstandardsasstringentastheyarefor

E.poweredandthereforetheyarenotsubjecttoemissions-controlstandardsasstringentasthoseof

7.Attheturnofthetwentiethcentury,forestcoveringasmuchas90percentofThailandandaccommodatingasmanyas300,000elephants,athirdofthemdomesticatedandperformingvariousessentialtasks.

A.coveringasmuchas90percentofThailandandaccommodatingasmanyas300,000elephants,athirdofthem

B.coveringasmuchas90percentofThailandaccommodatedasmuchas300,000elephants,andathirdofthemwere

C.coveredasmuchas90percentofThailandandaccommodatedasmuchas300,000elephants,withathird

D.coveredasmuchas90percentofThailandandaccommodatedasmanyas300,000elephants,athirdofthem

E.coveredasmuchas90percentofThailandandaccommodatingasmanyas300,000elephants,withathirdofthem

8.Knowntodaybyanametheywouldnothaverecognized—Anasazi,Navajofor“ancientenemies”—theancestorsofthemodernZuniandHopibuiltandthen,forreasonsstillmysterious,abandonedthecomplexroadsandstructuresofthedomaintheyruledamillenniumagointheAmericansouthwest.

A.ancestorsofthemodernZuniandHopibuiltandthen,forreasonsstillmysterious,abandonedthecomplexroadsandstructuresofthedomaintheyruledamillenniumagointheAmericansouthwest

B.reasonsarestillmysteriouswhytheancestorsofthemodernZuniandHopibuiltandthenabandonedthecomplexroadsandstructuresofthedomaintheyruledintheAmericansouthwestamillenniumago

C.modernZuniandHopihadancestorswho,amillenniumago,ruledadomainintheAmericansouthwestwheretheybuiltandthenabandonedcomplexroadsandstructuresforstillmysteriousreasons

D.domainoftheAmericansouthwestwasruledamillenniumagobytheancestorsofthemodernZuniandHopi,whobuiltandthen,forreasonsstillmysterious,abandonedcomplexroadsandstructures

E.complexroadsandstructuresofthedomainthattheancestorsofthemodernZuniandHopiruledamillenniumagointheAmericansouthwestwerebuiltandthen,forreasonsstillmysterious,abandoned

9．Researchershypothesizethatgraniticsoilistheidealconstructionmaterialforthedeserttortoisebecauseitisnotsohardthatitmakesburrowingdifficultorsosoftthatitcouldcausetunnelstocollapse.

A.sohardthatitmakesburrowingdifficultorsosoftthatitcouldcause

B.hardenoughtomakeburrowingdifficultorsoftenoughastocause

C.sohardastomakeburrowingdifficultorsoftenoughsoitcauses

D.ashardastomakeburrowingdifficultorassoftastocause

E.toohard,makingburrowingdifficult,nortoosoft,soastocause

10.BoththeFederalReserve’sdecisionthatborrowingratesberaised,alongwithinvestor’sspeculationthatanotherincreasemightbeontheway,helpedbolsterthedollarinrecentweeksbymakingdepositsmoreattractive.

A.thatborrowingratesberaised,alongwithinvestor’sspeculationthatanotherincreasemightbeontheway,helpedbolsterthedollarinrecentweeksbymaking

B.thatborrowingratesberaisedandinvestors’speculationofpossiblyanotherincreaseonthewayhelpedtobolsterthedollarinrecentweeksbecausetheymade

C.toraiseborrowingratesandinvestors’speculationthatanotherincreasemightbeonthewayhelpedtobolsterthedollarinrecentweeksbymaking

D.toraiseborrowingrates,alongwithinvestors’speculationthatanotherincreasemightbeontheway,helpedbolsterthedollarinrecentweeksbecauseitmade

E.toraiseborrowingratesandinvestors’speculationofpossiblyanotherincreaseonthewayhelpedbolsterthedollarinrecentweeksbecausetheymade

11.Althoughatonetimechildren’sprogramminghadbeenlimitedtoafewhoursaweek,now,however,thereareatleastfourcablenetworksthatdedicatethemselvesentirelytoshowsproducedspecificallyforchildren.

A.Althoughatonetimechildren’sprogramminghadbeenlimitedtoafewhoursaweek,now,however,thereareatleastfourcablenetworksthatdedicatethemselves

B.Withchildren’sprogramminghavingbeenlimitedatonetimetoafewhoursaweek,nowatleastfourcablenetworkshavededicatedthemselves

C.Oncelimitedtoafewhoursaweek,therearenowatleastfourcablenetworkswithchildren’sprogrammingthatdedicatethemselves

D.Children’sprogrammingwasoncelimitedtoafewhoursaweek,butnowthereareatleastfourcablenetworksdedicated

E.Whilechildren’sprogramminghadoncebeenlimitedtoafewhoursaweek,atleastfourcablenetworksarenowdedicated

12.Untilafewcenturiesago,anylargebonesdiscoveredinthefieldsorcavesofEurope,nowknowntobelargeprehistoricanimals,wereusuallyassumedtobetheremainsofgiantsandwereoftendisplayedascuriositiesincastles,palaces,townhalls,churches,andmonasteries.

A.nowknowntobelargeprehistoricanimals,wereusuallyassumedtobe

B.presentlyknownasfromlargeprehistoricanimals,wereusuallyassumedas

C.bonesnowknowntobethoseoflargeprehistoricanimals,wereusuallyassumedtobe

D.bonesknownatpresentasoflargeprehistoricanimals,wereusuallyassumedasthoseof

E.currentlyknownasthoseoflargeprehistoricanimals,wereusuallyassumedtobethoseof

13.Theprincipalfeatureoftheredesignedchecksisaseriesofprintedinstructionsthatthecompanyhopeswillhelpmerchantsconfirmacheck’sauthenticity,whichincludesreminderstowatchtheendorsement,comparesignatures,andviewthewatermarkwhileholdingthechecktothelight.

A.whichincludesreminderstowatchtheendorsement,comparesignatures,andview

B.whichincluderemindersforwatchingtheendorsement,tocomparesignaturesandview

C.byincludingremindersforwatchingtheendorsement,comparingsignatures,andviewing

D.includingre