GMAT考试逻辑推理试题训练.docx
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GMAT考试逻辑推理试题训练.docx
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GMAT考试逻辑推理试题训练
2021年GMAT考试逻辑推理试题训练
25Minutes16Questions
1.Cable-televisionspokesperson:
Subscriptionstocabletelevisionareabargainincomparisonto“free”television.Rememberthat“free”televisionisnotreallyfree.Itisconsumers,intheend,whopayforthecostlyadvertisingthatsupports“free”television.
Whichofthefollowing,iftrue,ismostdamagingtothepositionofthecable-televisionspokesperson?
(A)Consumerswhodonotowntelevisionsetsarelesslikelytobeinfluencedintheirpurchasingdecisionsbytelevisionadvertisingthanareconsumerswhoowntelevisionsets.
(B)Subscriptionstocabletelevisionincludeaccesstosomepublic-televisionchannels,whichdonotacceptadvertising.
(C)Forlocationswithpoortelevisionreception,cabletelevisionprovidespicturequalitysuperiortothatprovidedbyfreetelevision.
(D)Thereisasmuchadvertisingonmanycable-televisionchannelsasthereison“free”televisionchannels.(D)
(E)Cable-televisionsubscriberscanchoosewhichchannelstheywishtoreceive,andthefeesvaryaccordingly.
2.Woodsmokecontainsdangeroustoxinsthatcausechangesinhumancells.Becausewoodsmokepresentssuchahighhealthrisk,legislationisneededtoregulatetheuseofopen-airfiresandwood-burningstoves.
Whichofthefollowing,iftrue,providesthemostsupportfortheargumentabove?
(A)Theamountofdangeroustoxinscontainedinwoodsmokeismuchlessthantheamountcontainedinanequalvolumeofautomobileexhaust.
(B)Withinthejurisdictioncoveredbytheproposedlegislation,mostheatingandcookingisdonewithoilornaturalgas.
(C)Smokeproducedbycoal-burningstovesissignificantlymoretoxicthansmokefromwood-burningstoves.
(D)Nosignificantbeneficialeffectonairqualitywouldresultifopen-airfireswerebannedwithinthejurisdictioncoveredbytheproposedlegislation.(E)
(E)Invalleyswherewoodisusedastheprimaryheatingfuel,theconcentrationofsmokeresultsinpoorairquality.
3.Within20yearsitwillprobablybepossibletoidentifythegeneticsusceptibilityanindividualmayhavetowardanyparticulardisease.Eventually,effectivestrategieswillbediscoveredtocounteracteachsuchsusceptibility.Oncetheseeffectivestrategiesarefound,therefore,thepeoplewhofollowthemwillnevergetsick.
Theargumentaboveisbasedonwhichofthefollowingassumptions?
(A)Foreverydiseasethereisonlyonestrategythatcanpreventitsoccurrence.
(B)Inthefuture,geneticswillbetheonlymedicalspecialtyofanyimportance.
(C)Allhumansicknessesareinparttheresultofindividuals’geneticsusceptibilities.
(D)Allhumansaregeneticallysusceptibletosomediseases.(C)
(E)Peoplewillfollowmedicaladvicewhentheyareconvincedthatitiseffective.
4.Mostemployeesinthecomputerindustrymovefromcompanytocompany,changingjobsseveraltimesintheircareers.However,SummitComputersisknownthroughouttheindustryforretainingitsemployees.Summitcreditsitssuccessinretainingemployeestoitsinformal,nonhierarchicalworkenvironment.
Whichofthefollowing,iftrue,moststronglysupportsSummit’sexplanationofitssuccessinretainingemployees?
(A)Somepeopleemployedinthecomputerindustrychangejobsiftheybecomeboredwiththeircurrentprojects.
(B)Ahierarchicalworkenvironmenthindersthecooperativeexchangeofideasthatcomputerindustryemployeesconsidernecessaryfortheirwork.
(C)ManyofSummit’ssenioremployeeshadpreviouslyworkedatonlyoneothercomputercompany.
(D)Inanonhierarchicalworkenvironment,peopleavoidbehaviorthatmightthreatengroupharmonyandthusavoiddiscussingwiththeircolleaguesanydissatisfactiontheymighthavewiththeirjobs.(B)
(E)ThecostoflivingnearSummitisrelativelylowcomparedtoareasinwhichsomeothercomputercompaniesarelocated.
5.Financingforalargeconstructionprojectwasprovidedbyagroupofbanks.Whenthemoneywasgonebeforetheprojectwascompleted,thebanksapprovedadditionalloans.Now,withfundsusedupagainandcompletionstillnotathand,thebanksrefusetoextendfurtherloans,althoughwithoutthoseloans,theprojectisdoomed.
Whichofthefollowing,iftrue,bestexplainswhythebank’scurrentreactionisdifferentfromtheirreactioninthepreviousinstanceofdepletionoffunds?
(A)Thebankshavereassessedtheincomepotentialofthecompletedprojectandhaveconcludedthattotalincomegenerablewouldbelessthantotalinterestdueontheoldplustheneedednewloans.
(B)Thebankshaveidentifiedseveralotherprojectsthatofferfasterrepaymentoftheprincipalifloansareapprovednowtogetthoseprojectsstarted.
(C)Thebankshadagreedwiththeborrowersthattheconstructionloanswouldbesecuredbythecompletedproject.
(D)Thecostoverrunswerelargelyduetounforeseeableproblemsthataroseinthemostdifficultphaseoftheconstructionwork.(A)
(E)Theprojectstimulatedthedevelopmentandrefinementofseveralnewconstructiontechniques,whichwillmakeiteasierandcheapertocarryoutsimilarprojectsinthefuture.
6.Low-incomefamiliesareoftenunabletoaffordasmuchchildcareastheyneed.Onegovernmentprogramwouldawardlow-incomefamiliesarefundontheincometaxestheypayofasmuchas$1,000foreachchildunderagefour.Thisprogramwouldmakeitpossibleforalllow-incomefamilieswithchildrenunderagefourtoobtainmorechildcarethantheyotherwisewouldhavebeenabletoafford.
Whichofthefollowing,iftrue,mostseriouslycallsintoquestiontheclaimthattheprogramwouldmakeitpossibleforalllow-incomefamiliestoobtainmorechildcare?
(A)Theaveragefamilywithchildrenunderagefourspendsmorethan$1,000ayearonchildcare.
(B)Somelow-incomefamiliesinwhichoneoftheparentsisusuallyavailabletocareforchildrenunderagefourmaynotwanttospendtheirincometaxrefundonchildcare.
(C)Thereductioningovernmentrevenuesstemmingfromtheincometaxrefundwillnecessitatecutsinothergovernmentprograms,suchasgrantsforhighereducation.
(D)Manylow-incomefamilieswithchildrenunderagefourdonotpayanyincometaxesbecausetheirtotalincomeistoolowtobesubjecttosuchtaxes.(D)
(E)Incometaxeshaveincreasedsubstantiallyoverthepasttwentyyears,reducingthemoneythatlow-incomefamilieshaveavailabletospendonchildcare.
7.Notscored
8.Althoughparapsychologyisoftenconsideredapseudoscience,itisinfactagenuinescientificenterprise,foritusesscientificmethodssuchascontrolledexperimentsandstatisticaltestsofclearlystatedhypothesestoexaminethequestionsitraises.
Theconclusionaboveisproperlydrawnifwhichofthefollowingisassumed?
(A)Ifafieldofstudycanconclusivelyanswerthequestionsitraises,thenitisagenuinescience.
(B)Sinceparapsychologyusesscientificmethods,itwillproducecredibleresults.
(C)Anyenterprisethatdoesnotusecontrolledexperimentsandstatisticaltestsisnotgenuinescience.
(D)Anyfieldofstudythatemploysscientificmethodsisagenuinescientificenterprise.(D)
(E)Sinceparapsychologyraisesclearlystatablequestions,theycanbetestedincontrolledexperiments.
9.Hotcooilburners,designedtobeusedinasphaltplants,aresoefficientthatHotcowillsellonetotheCliftonAsphaltplantfornopaymentotherthanthecostsavingsbetweenthetotalamounttheasphaltplantactuallypaidforoilusingitsformerburnerduringthelasttwoyearsandthetotalamountitwillpayforoilusingtheHotcoburnerduringthenexttwoyears.Oninstallation,theplantwillmakeanestimatedpayment,whichwillbeadjustedaftertwoyearstoequaltheactualcostsavings.
Whichofthefollowing,ifitoccurred,wouldconstituteadisadvantageforHotcooftheplandescribedabove?
(A)Anothermanufacturer’sintroductiontothemarketofasimilarlyefficientburner
(B)TheCliftonAsphaltplant’sneedformorethanonenewburner
(C)VerypoorefficiencyintheCliftonAsphaltplant’soldburner
(D)Adecreaseinthedemandforasphalt(E)
(E)Asteadyincreaseinthepriceofoilbeginningsoonafterthenewburnerisinstalled
10.Today’slowgasolinepricesmakeconsumerswillingtoindulgetheirpreferenceforlargercars,whichconsumegreateramountsofgasolineasfuel.SoUnitedStatesautomakersareunwillingtopursuethedevelopmentofnewfuel-efficienttechnologiesaggressively.TheparticularreluctanceoftheUnitedStatesautomobileindustrytodoso,however,couldthreatentheindustry’sfuture.
Whichofthefollowing,iftrue,wouldprovidethemostsupportfortheclaimaboveaboutthefutureoftheUnitedStatesautomobileindustry?
(A)Aprototypefuel-efficientvehicle,builtfiveyearsago,achievesaveryhigh81milespergallononthehighwayand63inthecity,butitsmaterialsarerelativelycostly.
(B)SmallcarssoldbymanufacturersintheUnitedStatesaremorefuelefficientnowthanbeforethesuddenjumpinoilpricesin1973.
(C)Automakerselsewhereintheworldhaveslowedtheintroductionoffuel-efficienttechnologiesbuthavepressedaheadwithresearchanddevelopmentoftheminpreparationforapredictedriseinworldoilprices.
(D)Therearemanytechnologicalopportunitiesforreducingthewasteofenergyincarsandlighttrucksthroughweight,aerodynamicdrag,andbrakingfriction.(C)
(E)Thepromotionofmasstransitoverautomobilesasanalternativemodeoftransportationhasencounteredconsumerresistancethatisdueinparttothefailureofmasstransittoaccommodatethewidedispers
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