2025年MBA逻辑冲刺测试题

2025年MBA逻辑冲刺测试题考试时间：______分钟总分：______分姓名：______Part1:FormalLogic1.Allemployeeswhowerehiredbefore2010receivedapensionplan.Manyofthecurrentemployeeswerehiredafter2010.Ifthestatementsabovearetrue,whichofthefollowingmustalsobetrue?(A)Allcurrentemployeesdonotreceiveapensionplan.(B)Somecurrentemployeesreceiveapensionplan.(C)Allemployeeswhodonotreceiveapensionplanwerehiredafter2010.(D)Someemployeeswhowerehiredbefore2010donotreceiveapensionplan.(E)Noneofthecurrentemployeesreceiveapensionplan.2.Ifitrains,thepicnicwillbecanceled.Thepicnicisnotcanceled.Ifthestatementsabovearetrue,whichofthefollowingmustalsobetrue?(A)Itrains.(B)Itdoesnotrain.(C)Theweatherissunny.(D)Thepicnicmightbemovedtoanotherday.(E)Somepeoplepreferindooractivities.3.Eitherthemarketingcampaignwillbesuccessful,orthecompanywilllosemoney.Themarketingcampaignwasnotsuccessful.Ifthestatementsabovearetrue,whichofthefollowingmustalsobetrue?(A)Thecompanywilllosemoney.(B)Thecompanywillnotlosemoney.(C)Thecompanywilldefinitelymakeaprofit.(D)Themarketingcampaignwaspoorlyexecuted.(E)Thecompany'sfinancialsituationwillimprove.4.Onlyseniormanagersareallowedtoaccessthestrategicplanningdocument.Johnisnotaseniormanager.Ifthestatementsabovearetrue,whichofthefollowingmustalsobetrue?(A)Johncannotaccessanycompanydocuments.(B)Seniormanagersaretheonlyoneswhocanaccesscompanydocuments.(C)Johnisnotallowedtoaccessthestrategicplanningdocument.(D)Thestrategicplanningdocumentcontainssensitiveinformation.(E)Somedocumentscanbeaccessedbypeoplewhoarenotseniormanagers.5.Iftheproductisexpensive,thenitishighquality.Theproductisnotexpensive.Ifthestatementsabovearetrue,whichofthefollowingmustalsobetrue?(A)Theproductisnothighquality.(B)Theproductischeap.(C)Theproduct'squalityisaverage.(D)Theproductmightbehighquality.(E)Expensiveproductsarealwayshighquality.Part2:Argument-BasedReasoning6.Thecitycouncilvotedtoapprovetheconstructionofanewsportscomplex.Themajorityofthecouncilmemberswhovotedinfavorwereundertheageof40.Therefore,theapprovalwasdrivenprimarilybytheyoungergeneration'sdesireformorerecreationalfacilities.Whichofthefollowing,iftrue,moststrengthenstheconclusionabove?(A)Asignificantnumberofcouncilmembersovertheageof40alsovotedinfavoroftheconstruction.(B)Thesportscomplexwillprimarilyserveresidentslivinginthecity'smostaffluentneighborhoods.(C)Surveysindicatethatamajorityofresidentsacrossallagegroupssupporttheconstructionofthenewsportscomplex.(D)Opponentsoftheconstructionarguedthatthecityalreadyhassufficientrecreationalfacilities.(E)Thecouncilconsideredalternativeusesfortheproposedsite,suchasaparkoracommunitycenter.7.Arecentstudyfoundthatstudentswhoattendedtutoringsessionsscoredhigherontheirfinalexamscomparedtothosewhodidnotattendtutoringsessions.Therefore,offeringtutoringsessionsisaneffectivewaytoimprovestudentperformance.Whichofthefollowing,iftrue,mostweakenstheconclusionabove?(A)Studentswhoattendedtutoringsessionswerealsothosewhostudiedmoreoutsideofclass.(B)Thetutoringsessionswereofferedforfree,socostwasnotabarriertoparticipation.(C)Thestudyonlyincludedstudentsfromonespecifichighschool,whichmaynotberepresentativeofthebroaderstudentpopulation.(D)Thetutoringsessionswereledbyexperiencedteacherswhohadadeepunderstandingofthesubjectmatter.(E)Themajorityofstudentswhoscoredhigheronthefinalexamhadnotattendedanytutoringsessions.8.Thecompany'ssaleshavedeclinedby20%thisquarter.Toaddressthis,themarketingdepartmenthasproposedanewadvertisingcampaign.Wecanexpectthesalestoincreasesignificantlyasaresultofthiscampaign.Whichofthefollowingcontainsalogicalflawsimilartotheflawintheargumentabove?(A)Thecompany'sprofitshaveincreasedby10%thisyear.Therefore,thecompany'sfinancialsituationisimproving.(B)Thetestscoreimprovedafterthestudentattendedthespecialtrainingprogram.Therefore,thetrainingprogrammustbeeffective.(C)Thestockpricedroppedafterthecompanyannounceditsquarterlyresults.Therefore,thecompany'sperformancemustbepoor.(D)Thepatientfeltbetteraftertakingthenewmedication.Therefore,themedicationmustbeeffective.(E)Theteamwonthechampionshipafterhiringanewcoach.Therefore,thenewcoachmustbeagoodleader.9.Themayorproposedanewtaxpolicythatwouldincreaserevenueforthecity.Theproposalwasstronglyopposedbybusinessleaders,whoarguedthatitwouldharmthelocaleconomy.However,thetaxpolicywaseventuallyapprovedbythecitycouncil.Whichofthefollowing,iftrue,providesthebestexplanationforwhythetaxpolicywasapproveddespitetheoppositionfrombusinessleaders?(A)Thecitywasfacingasignificantbudgetdeficitandneededtheadditionalrevenue.(B)Themajorityofcitycouncilmemberswerenotdirectlyinfluencedbybusinessleaders.(C)Thetaxpolicywouldprimarilyimpactresidentswithhighincomes,whileprovidingneededservicesforthebroadercommunity.(D)Amajorityofcityresidentssupportedthetaxpolicyinapublicreferendum.(E)Thebusinessleaderswhoopposedthepolicywereprimarilyconcernedabouttheirownprofits.10.Aresearcherclaimsthateatingadietrichinfruitsandvegetablesisassociatedwithalowerriskofdevelopingheartdisease.Therefore,eatingfruitsandvegetablescanpreventheartdisease.Whichofthefollowing,iftrue,mostweakenstheresearcher'sconclusion?(A)Peoplewhoeatadietrichinfruitsandvegetablesalsotendtoexerciseregularly.(B)Thestudyonwhichtheresearcherbasedtheirclaimwasconductedoverashortperiodoftime.(C)Thereisevidencethatadietlackinginfruitsandvegetablesisassociatedwithahigherriskofheartdisease.(D)Theresearcherwhoconductedthestudyhasreceivedfundingfromfruitandvegetablegrowers.(E)Somepeoplewhoeatadietrichinfruitsandvegetablesstilldevelopheartdisease.11.Theschoolboarddecidedtoimplementanewstandardizedtestingprogramtoassessstudentperformance.Criticsarguethatthetestsaretoostressfulforstudentsanddonotaccuratelymeasuretheirknowledgeandskills.Whichofthefollowing,iftrue,moststronglysupportstheschoolboard'sdecisiontoimplementthenewtestingprogram?(A)Thenewtestsaredesignedtobemorecomprehensivethanthepreviousones.(B)Manyotherschoolshavesuccessfullyimplementedsimilartestingprograms.(C)Theresultsofthenewtestswillbeusedtoidentifyareaswherestudentsneedadditionalsupport.(D)Theschoolboardconductedextensiveresearchontheeffectivenessofstandardizedtestsbeforemakingtheirdecision.(E)Parentsaresatisfiedwiththecurrentsystemofassessingstudentperformance.12.Astudyfoundthatemployeeswhoworkfromhomearemoreproductivethanthosewhoworkintheoffice.Therefore,thecompanyshouldallowallemployeestoworkfromhome.Whichofthefollowing,iftrue,mostweakenstheconclusionabove?(A)Thestudyonlyincludedemployeesincertainjobrolesthatarewell-suitedtoremotework.(B)Employeeswhoworkfromhomeoftenhavedifficultycollaboratingwiththeircolleagues.(C)Thecompany'sITinfrastructureisnotwell-equippedtosupportafullyremoteworkforce.(D)Workingfromhomecanleadtoisolationanddecreasedjobsatisfactionforsomeemployees.(E)Theproductivityofemployeeswhoworkfromhomeisdifficulttomeasureaccurately.13.Thelocalgovernmentproposedanewpublictransportationsystemtoreducetrafficcongestion.Theprojectfacedsignificantoppositionfromresidentslivingneartheproposedtransitroutes,whowereconcernedaboutincreasednoiseandpropertyvalues.Whichofthefollowing,iftrue,moststrengthenstheargumentinfavorofthenewpublictransportationsystem?(A)Thenewsystemwillprovideresidentswithmoreaffordabletransportationoptions.(B)Studieshaveshownthatpublictransportationsystemscansignificantlyreducetrafficcongestion.(C)Theproposedtransitrouteshavebeencarefullyplannedtominimizedisruptiontoresidents.(D)Theconstructionofthenewsystemwillcreatejobsandstimulateeconomicgrowth.(E)Manyothercitieshavesuccessfullyimplementedsimilarpublictransportationsystemswithoutsignificantnegativeimpactsonresidents.14.Acompanyimplementedanewperformanceappraisalsystemthatfocusesonemployeeproductivityandperformancemetrics.Asaresult,employeemoraledeclinedsignificantly.Whichofthefollowing,iftrue,providesthebestexplanationforthedeclineinemployeemorale?(A)Theperformancemetricsusedinthenewsystemwerenotclearlydefinedorunderstoodbyemployees.(B)Thecompanyfailedtoprovideadequatetrainingandsupportforemployeestoadapttothenewsystem.((C)Thenewsystemcreatedexcessivecompetitionamongemployees,leadingtoatoxicworkenvironment.(D)Someemployeesfeltthatthenewsystemwasunfairandbiasedagainstthem.(E)Thecompanydidnotcommunicateeffectivelywithemployeesaboutthereasonsforthechange.15.Aresearcherclaimsthatanewdrugiseffectiveintreatingaspecificmedicalcondition.Theresearcher'sstudywassponsoredbythepharmaceuticalcompanythatdevelopedthedrug.Whichofthefollowing,iftrue,moststrengthenstheresearcher'sclaim?(A)Thestudywasconductedbyateamofindependentresearcherswhohavenofinancialtiestothepharmaceuticalcompany.(B)Thestudyusedadouble-blind,placebo-controlleddesign,whichisconsideredthegoldstandardforclinicaltrials.(C)Thedrughasbeentestedonalargesampleofpatientswiththemedicalcondition.(D)Theresultsofthestudywerepublishedinapeer-reviewedmedicaljournal.(E)Thepharmaceuticalcompanyhasareputationfordevelopingsafeandeffectivedrugs.Part3:LogicalApplication16.ArecentreportbytheEnvironmentalProtectionAgency(EPA)statedthatthelevelsofairpollutioninthecityhavedecreasedby15%overthepastyear.Thereportattributedthisimprovementtotheimplementationofnewemissioncontrolregulationsbylocalindustries.However,environmentalactivistsarguethatthereductioninairpollutionisprimarilyduetoadecreaseinindustrialactivitycausedbytheeconomicdownturn.Thepassageabovepresentstwodifferentexplanationsforthedecreaseinairpollution.Whichofthefollowingwouldbemosthelpfulinevaluatingthevalidityoftheseexplanations?(A)Comparingthetrendsinairpollutionlevelswiththetrendsinindustrialproductionoverthepastyear.(B)Investigatingthespecifictypesofemissioncontrolregulationsthathavebeenimplemented.(C)Assessingtheimpactoftheeconomicdownturnonindustrialactivityinthecity.(D)Examiningtheairqualitydatafrommonitoringstationslocatednearindustrialareas.(E)Surveyingresidentsofthecityabouttheirperceptionsofairquality.17.Astudywasconductedtoinvestigatetherelationshipbetweenexerciseandmentalhealth.Theresearchersfoundthatindividualswhoexerciseregularlyreportedlowerlevelsofstressandimprovedmoodcomparedtothosewhodonotexerciseregularly.Theresearchersconcludedthatexerciseisaneffectivewaytoimprovementalhealth.However,acriticofthestudyarguesthattheresearchersfailedtoaccountforthepossibilitythatindividualswhoarealreadymentallyhealthyaremorelikelytoexerciseregularly.Thecriticsuggeststhattheobservedrelationshipbetweenexerciseandmentalhealthmightbeduetoreversecausality.Whichofthefollowing,iftrue,moststrengthensthecritic'sargument?(A)Peoplewhoexerciseregularlytendtohavehealthierlifestylesoverall.(B)Thestudyincludedadiversesampleofparticipantsfromvariousagegroupsandsocioeconomicbackgrounds.(C)Individualswhoexerciseregularlyaremorelikelytohavestrongsocialsupportnetworks.(D)Thestudyfoundthatindividualswhostartedexercisingaspartofatreatmentprogramformentalhealthissuesreportedimprovementsintheirsymptoms.(E)Peoplewhoarealreadymentallyhealthymayhavemoremotivationandenergytoengageinphysicalactivity.18.Acompanyisconsideringwhethertolaunchanewproductline.Themarketresearchteampredictsthatthenewproductwillbesuccessfulifthemarketresearchindicateshighdemandandifthecompany'smarketingcampaigniseffective.Thecompanyconductedmarketresearchandfoundthatthereishighdemandforthenewproduct.However,themarketingcampaignwasnotaseffectiveasanticipated.Basedontheinformationabove,whichofthefollowingmustbetrue?(A)Thenewproductlinewillbesuccessful.(B)Thenewproductlinewillnotbesuccessful.(C)Themarketresearchteam'spredictionswereincorrect.(D)Thecompanyshouldnothavelaunchedthenewproductline.(E)Thecompanyshouldinvestmoreinmarketingforthenewproductline.19.Astudyfoundthatstudentswhoattendtutoringsessionstendtoscorehigheronstandardizedtestscomparedtothosewhodonotattendtutoringsessions.Theresearchersconcludedthattutoringsessionsareaneffectivewaytoimprovestudentperformance.However,acriticofthestudypointsoutthatthestudentswhoattendedtutoringsessionswerealsothosewhospentmoretimestudyingontheirownoutsideoftutoringsessions.Thecriticarguesthattheimprovementintestscorescouldbeduetotheadditionalstudytime,notthetutoringsessionsthemselves.Whichofthefollowing,iftrue,moststrengthensthecritic'sargument?(A)Studentswhoattendtutoringsessionsaremoremotivatedtolearnthanthosewhodonotattendtutoringsessions.(B)Thetutoringsessionsprovidestudentswithadditionalpracticeproblemsandpersonalizedfeedback.(C)Studentswhostudymoreontheirowntendtoperformbetteronstandardizedtestsregardlessofwhethertheyattendtutoringsessions.(D)Thetutoringsessionsareledbyexperiencedteacherswhoareexpertsinthesubjectmatter.(E)Thestudyonlyincludedstudentswhowerestrugglingwiththesubjectmatterbeforeattendingtutoringsessions.试卷答案1.C2.B3.A4.C5.A6.D7.A8.B9.A10.B11.C12.A13.B14.A15.B16.A17.E18.B19.C解析1.C.题干说“所有hiredbefore2010的员工receivedapensionplan”（前提），但“许多currentemployeeswerehiredafter2010”（不确定信息）。要找“必须也正确”的选项。选项C“所有notreceiveapensionplan的员工werehiredafter2010”（结论）是前提的逆否命题的等价形式：“ifnotreceivepensionplan,thennothiredbefore2010”。因为“nothiredbefore2010”等价于“hiredafter2010”。所以，如果某人没有收到养老金计划，那么他一定是hiresafter2010的员工。这与前提一起，确实必须为真。A不必然为真，因为可能有些currentemployeeshiredbefore2010。B不必然为真，因为“许多”不意味着“所有”。D不必然为真，前提只说received的有，没说didn'treceive的。E不必然为真，因为可能所有currentemployees都是hiresafter2010。2.B.题干是“如果下雨，那么picnic被取消”（P->Q）。“picnic没有被取消”（notQ）。要找必然为真的结论。根据逻辑规则，否定后件（notQ）必然否定前件（notP）。所以，“它没有下雨”（notP）必然为真。A不必然为真，这是对前件的肯定。C不必然为真，天气可能是多云或其他。D可能性，但不是必然性。E与逻辑推理无关。3.A.题干是“要么marketingcampaign成功，要么公司赔钱”（P或Q）。“marketingcampaign没有成功”（notP）。要找必然为真的结论。根据逻辑规则，“否定肯定式”，否定“要么”命题的一个部分（notP），则必然肯定另一个部分（Q）。所以，“公司会赔钱”（Q）必然为真。B不必然为真，notP不必然导致notQ。C不必然为真，赔钱不等于一定亏。D不必然为真，成功与否与执行好坏有关，但题干没给信息。E不必然为真，赔钱不等于情况一定变好。4.C.题干是“只有seniormanagers才能访问”（Access->SeniorManager）。“John不是seniormanager”（notSeniorManager）。要找必然为真的结论。根据逻辑规则，命题“只有P才Q”等价于“如果notP，那么notQ”。所以，“John不是seniormanager”则“John不能访问strategicplanningdocument”（notAccess）。这与C选项一致。A不必然为真，没说John不能访问其他文档。B是对原命题的肯定后件形式，不必然为真。D是对原因的猜测，不是必然结论。E不必然为真，题干没说有没有其他人可以访问。5.A.题干是“如果产品贵，那么产品高质量”（Expensive->HighQuality）。“产品不贵”（notExpensive）。要找必然为真的结论。根据逻辑规则，“否前不能否后”，否定前件（notExpensive）不能必然推出否定后件（notHighQuality）。所以，“产品不是高质量”（notHighQuality）不一定为真。B不必然为真，notExpensive不等于Cheap。C不必然为真，质量可能是平均的。D“可能”为真，但不是必然。E是对原命题的“肯后”，不必然为真。6.D.论点：“批准主要由年轻人驱动”（隐含：因为年轻人想要更多设施，所以投票赞成）。论据：“多数投票赞成的是年轻人”。D选项“许多投票赞成的人年龄超过40”（提供反向证据，说明年轻人不