Gmat考试逻辑试题90题1.docx
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Gmat考试逻辑试题90题1.docx
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Gmat考试逻辑试题90题1
Gmat考试逻辑试题90题
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1.Although90percentofthepopulationbelievesitselftobewellinFORMedabouthealthcare,only20percentknowsenoughaboutDNA.Soapparentlyatleast80percentofthepopulationdoesnotknowenoughaboutmedicalconceptstomakewell-inFORMedpersonalmedicalchoicesortomakegoodpublicpolicydecisionsabouthealthcare.
Theargument'sreasoningisquestionablebecausetheargumentfailstodemonstratethat
(A)thosepeoplewhocanunderstandnewsstoriesaboutDNAareabletomakewell-inFORMedpersonalmedicalchoices
(B)morethan20percentofthepopulationneedstobewellinFORMedabouthealthcareforgoodpublicpolicydecisionsabouthealthcaretobemade
(C)one'sbeingabletomakewell-inFORMedpersonalmedicalchoicesensuresthatonemakesgoodpublicpolicydecisionsabouthealthcare
(D)anunderstandingofDNAisessentialtomakingwell-inFORMedpersonalmedicalchoicesortomakinggoodpublicpolicydecisionsabouthealthcare
(E)since90percentofthepopulationbelievesitselftobewellinFORMedabouthealthcare,atleast70percentofthepopulationismistakeninthatbelief.
2.Duringthe1980's,JapanesecollectorswereveryactiveinthemarketforEuropeanart,especiallyaspurchasersofnineteenth-centuryImpressionistpaintings.ThisstrikingpatternsurelyreflectsaspecificpreferenceonthepartofmanyJapanesecollectorsforcertainaestheticattributestheyfoundinnineteenth-centuryImpressionistpaintings.
Whichoneofthefollowing,iftrue,moststronglysupportstheexplanationabove?
(A)ImpressionistpaintingsfirstbecamepopularamongartcollectorsinEuropeatthebeginningofthetwentiethcentury.
(B)Duringthe1980's,theJapaneseeconomyunderwentasustainedexpansionthatwasunprecedentedinthecountry'srecenthistory.
(C)Severalnineteenth-centuryImpressionistpaintersadoptedcertaintechniquesandvisualeffectsfoundinJapaneseprintsthatarehighlyestee
11.Theaveragecabletelevisioncompanyoffersitscustomers50channels,butnewfiber-opticlineswillenabletelephonecompaniestoprovide100to150televisionchannelstotheircustomersforthesamepriceascablecompanieschargefor50.Therefore,cablecompanieswillbedisplacedbythenewcompanieswithinafewyears.
Whichofthefollowing,iftrue,mosthelpstostrengthentheargument?
(A)Theinitialcostperhouseholdofinstallingnewfiber-optictelevisionservicewillexceedthecurrentcostofinstallingcabletelevisionservice.
(B)Themostpopularmoviesandprogramsonchannelscarriedbycablecompanieswillalsobeofferedonchannelscarriedbythefiber-opticlinesownedbythetelephonecompanies.
(C)Cabletelevisioncompanieswillrespondtocompetitionfromthetelephonecompaniesbyincreasingthenumberofchannelstheyoffer.
(D)Sometelephonecompaniesowncablecompaniesinareasotherthanthoseinwhichtheyprovidetelephoneservices.
(E)Thenewfiber-opticservicesofferedbytelephonecompanieswillbesubjecttomorestringentgovernmentalprogrammingregulationsthanthosetowhichcablecompaniesarenowsubject.
12.TheonlyphysicalfactorpreventingahumanjourneytoMarshasbeenweight.CarryingenoughfueltopropelaconventionalspacecrafttoMarsandbackwouldmakeeventhelightestcrafttooheavytobelaunchedfromEarth.Adevicehasrecentlybeeninvented,however,thatallowsanotherwiseconventionalspacecrafttorefillthecraft'sfueltankswithfuelmanufacturedfromtheMartianatmosphereforthereturntrip.Therefore,itispossibleforpeopletogotoMarsinaspacecraftthatcarriesthisdeviceandthenreturn.
Whichoneofthefollowingisanassumptiononwhichtheargumentdepends?
(A)TheamountoffuelneededforaspacecrafttoreturnfromMarsisthesameastheamountoffuelneededtotravelfromEarthtoMars.
(B)ThefuelmanufacturedfromtheMartianatmospherewouldnotdifferincompositionfromthefuelusedtotraveltoMars.
(C)ThedeviceformanufacturingfuelfromtheMartianatmospherewouldnottakeupanyofthespaceshipcrew'slivingspace.
(D)Aconventionalspacecraftequippedwiththedevicewouldnotbeappreciablymoreexpensivetoconstructthancurrentspacecrafttypicallyare.
(E)ThedeviceformanufacturingfuelforthereturntoEarthweighslessthanthetanksoffuelthataconventionalspacecraftwouldotherwiseneedtocarryfromEarthforthereturntrip.
13.In1712thegovernmentofCountryYappointedacensortoprohibitthepublicationofanybookcriticalofCountryY'sgovernment;allnewbookslegallypublishedinthecountryafter1712wereapprovedbyacensor.Underthefirstcensor,onehalfofthebookmanussubmittedtothecensorwerenotapprovedforpublication.Underthenextcensor,onlyonequarterofthebookmanussubmittedwerenotapproved,butthenumberofbookmanusthatwereapprovedwasthesameunderbothcensors.Ifthestatementsinthepassagearetrue,whichoneofthefollowingcanbeproperlyconcludedfromthem?
(A)MorebookscriticalofCountryY'sgovernmentswerepublishedbeforetheappointmentofthefirstcensorthanafterit.
(B)Thefirstcensorandthesecondcensorprohibitedthepublicationofthesamenumberofbookmanus.
(C)Morebookmanusweresubmittedforapprovaltothefirstcensorthantothesecond.
(D)ThesecondcensorallowedsomebookmanustothepublishedthatthefirstcensorwouldhaveconsideredcriticalofCountryY'sgovernment.
(E)Thenumberofwriterswhowroteunpublishedmanuswasgreaterunderthefirstcensorthanunderthesecond.
14.Ifthegovernmentincreasesitsfundingforcivilianscientificresearch,privatepatronsandindustrieswillbelievethatsuchresearchhasbecomeprimarilythegovernment'sresponsibility.Whentheybelievethatresearchisnolongerprimarilytheirresponsibility,privatepatronsandindustrieswilldecreasetheircontributionstowardresearch.Therefore,inordertokeepfromdepressingtheoverallleveloffundingforcivilianscientificresearch,thegovernmentshouldnotincreaseitsownfunding.
Whichoneofthefollowingisanassumptiononwhichtheargumentrelies?
(A)Governmentsshouldbearthemajorityofthefinancialburdenoffundingforcivilianscientificresearch.
(B)Anyincreaseingovernmentfundingwoulddisplacemoreprivatefundingforcivilianscientificresearchthanitwouldprovide.
(C)Privatedonationstowardresearcharenolongerwelcomedbyresearcherswhoseworkreceivesgovernmentfunding.
(D)Civilianscientificresearchcannotbeconductedefficientlywithmorethanonesourceoffunding.
(E)fundingforcivilianscientificresearchiscurrentlyatthehighestpossiblelevel.
15.Dentalresearcher:
Fillingacavityinatoothisnotaharmlessprocedure:
itinevitablydamagessomeofthehealthypartsofthetooth.Cavitiesareharmfulonlyifthedecayreachesthenervesinsidethetooth,andmanycavities,ifleftuntreated,neverprogresstothatpoint.Therefore,dentistsshouldnotfillacavityunlessthenervesinsidethetoothareinimminentdangerfromthatcavity.
Whichoneofthefollowingprinciples,ifvalid,moststronglysupportstheresearcher'sreasoning?
(A)DentistsshouldperFORManyprocedurethatislikelytobebeneficialinthelongterm,butonlyiftheproceduredoesnotcauseimmediatedamage.
(B)Dentistsshouldhelptheirpatientstopreventcavitiesratherthanwaitinguntilcavitiesarepresenttobegintreatment.
(C)Aconditionthatisonlypotentiallyharmfulshouldnotbetreatedusingamethodthatisdefinitelyharmful.
(D)Aconditionthatistypicallyprogressiveshouldnotbetreatedusingmethodsthatprovideonlytemporaryrelief.
(E)Aconditionthatispotentiallyharmfulshouldnotbeleftuntreatedunlessitcanbekeptunderconstantsurveillance.
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