Gmat考试逻辑试题90题2.docx

Gmat考试逻辑试题90题2.docx

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Gmat考试逻辑试题90题2

Gmat考试逻辑试题90题

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16.TheaxisofEarth'sdailyrotationistiltedwithrespecttotheplaneofitsorbitatanangleofroughly23degrees.ThatanglecanbekeptfairlystableonlybythegravitationalinfluenceofEarth'slarge,nearbyMoon.Withoutsuchastableandmoderateaxistilt,aplanet'sclimateistooextremeandunstabletosupportlife.Mars,forexample,hasonlyverysmallmoons,tiltsatwildlyfluctuatingangles,andcannotsupportlife.

　　Ifthestatementsabovearetrue,whichoneofthefollowingmustalsobetrueonthebasisofthem?

　　（A）IfMarshadasufficientlylargenearbymoon,Marswouldbeabletosupportlife.

　　（B）IfEarth'sMoonweretoleaveEarth'sorbit,Earth'sclimatewouldbeunabletosupportlife.

　　（C）Anyplanetwithastable,moderateaxistiltcansupportlife.

　　（D）GravitationalinfluencesotherthanmoonshavelittleornoeffectonthemagnitudeofthetiltangleofeitherEarth'sorMars'saxis.

　　（E）Noplanetthathasmorethanonemooncansupportlife

　　17.Psychologist:

Someastrologersclaimthatourhoroscopescompletelydetermineourpersonalities,butthisclaimisfalse,Iconcedethatidenticaltwins--whoare,ofcourse,bornatpracticallythesametime--oftendohavesimilarpersonalities.However,birthrecordswereexaminedtofindtwoindividualswhowereborn40yearsagoonthesamedayandatexactlythesametime--oneinahospitalinTorontoandoneinahospitalinNewYork.Personalitiesofthesetwoindividualsareinfactdifferent.

　　Whichoneofthefollowingisanassumptiononwhichthepsychologist'sargumentdepends?

　　（A）Astrologershavenotsubjectedtheirclaimstorigorousexperimentation.

　　（B）ThepersonalitydifferencesbetweenthetwoindividualscannotbeexplainedbytheculturaldifferencebetweenTorontoandNewYork.

　　（C）ThegeographicaldifferencebetweenTorontoandNewYorkdidnotresultinthetwoindividualshavingdifferenthoroscopes.

　　（D）Completebirthrecordsforthepast40yearswerekeptatbothhospitals.

　　（E）Identicaltwinshaveidenticalgeneticstructuresandusuallyhavesimilarhomeenvironments.

　　18.Modernnavigationsystems,whicharefoundinmostoftoday'scommercialaircraft,aremadewithlow-powercircuitry,whichismoresusceptibletointerferencethanthevacuum-tubecircuitryfoundinolderplanes.Duringlanding,navigationsystemsreceiveradiosignalsfromtheairporttoguidetheplanetotherunway.Recently,oneplanewithlow-powercircuitryveeredoffcourseduringlanding,itsdialsdimming,whenapassengerturnedonalaptopcomputer.Clearly,modernaircraftnavigationsystemsarebeingputatriskbytheelectronicdevicesthatpassengerscarryonboard,suchascassetteplayersandlaptopcomputers.

　　Whichoneofthefollowing,iftrue,LEASTstrengthenstheargumentabove?

　　（A）Afterthelaptopcomputerwasturnedoff,theplaneregainedcourseanditsnavigationinstrumentsanddialsreturnedtonormal.

　　（B）Wheninuseallelectronicdevicesemitelectromagneticradiation,whichisknowntointerferewithcircuitry.

　　（C）Noproblemswithnavigationalequipmentorinstrumentdialshavebeenreportedonflightswithnopassenger-ownedelectronicdevicesonboard.

　　（D）Significantelectromagneticradiationfromportableelectronicdevicescantraveluptoeightmeters,andsomepassengerseatsonmodernaircraftarelocatedwithinfourmetersofthenavigationsystems.

　　（E）Planeswerefirstequippedwithlow-powercircuitryataboutthesametimeportableelectronicdevicesbecamepopular.

　　Jane:

Televisionprogramsandmoviesthatdepictviolenceamongteenagersareextremelypopular.Givenhowinfluentialthesemediaare,wehavegoodreasontobelievethatthesedepictionscauseyoungpeopletoengageinviolentbehavior.Hence,depictionsofviolenceamongteenagersshouldbeprohibitedfrommoviesandtelevisionprograms,ifonlyinthoseprogramsandmoviespromotedtoyoungaudiences.

　　Maurice:

Butyouarerecommendingnothingshortofcensorship!

Besideswhich,yourclaimthattelevisionandmoviedepictionsofviolencecauseviolenceismistaken:

violenceamongyoungpeoplepredatesmoviesandtelevisionbycenturies.

　　19.Whichoneofthefollowing,iftrue,moststrengthensJane'sargument?

　　（A）Themostviolentcharactersdepictedinmoviesandontelevisionprogramsareadultcharacterswhoareportrayedbyadultactors.

　　（B）Themoviesthathavebeenshowntohavethemostinfluenceonyoungpeople'sbehaviorarethosethatarepromotedtoyoungaudiences.

　　（C）Thepeoplewhomakethemostprofitsinthemovieandtelevisionindustryarethosewhocansuccessfullypromotetheirworktobothyoungandoldaudiences.

　　（D）Manyadolescentswhoengageinviolentbehaviorhadalreadydisplayedsuchbehaviorbeforetheywereexposedviolenceinmovies.

　　（E）Amongtheproducerswhomakebothmoviesandtelevisionprograms,manyvoluntarilyrestrictthesubjectmatteroffilmsdirectedtowardyoungaudiences.

　　20.Ariseinthepercentageofall18-year-oldswhowererecruitedbythearmedservicesofasmallrepublicbetween1980and1986correlateswithariseinthepercentageofyoungpeoplewhodroppedoutofhighschoolinthatrepublic.Since18-year-oldsintherepublicaregenerallyeitherhighschoolgraduatesorhighschooldropouts,thecorrelationleadstotheconclusionthattherepublic'srecruitmentratesfor18-year-oldsdependsubstantiallyonrecruitmentratesforhighschooldropouts.

　　Whichoneofthefollowingstatements,iftrue,mostweakenstheargument?

　　（A）Alargenumberof18-year-oldhighschoolgraduateswererecruitedfortherepublic'sarmedservicesin1986thanin1980.

　　（B）Manyofthehigh-technologysystemsusedbytherepublic'sarmedservicescanbeoperatedonlybyindividualswhohavecompletedahighschooleducation.

　　（C）Between1980and1986thepercentageofhighschoolgraduatesamong18-year-oldsrecruitedintherepublicrosesharply.

　　（D）Personneloftherepublic'sarmedservicesarestronglyencouragedtofinishtheirhighschooleducation.

　　（E）Theproportionofrecruitswhohadcompletedatleasttwoyearsofcollegeeducationwasgreaterin1986thanin1980.

　　21.Historian:

Wecanlearnaboutthemedicalhistoryofindividualsthroughchemicalanalysisoftheirhair.Itislikely,forexample,thatIsaacNewton'spsychologicalproblemswereduetomercurypoisoning;tracesofmercurywerefoundinhishair.AnalysisisnowbeingdoneonalockofBeethoven'shair.AlthoughnoconvincingargumenthasshownthatBeethoveneverhadavenerealdisease,somepeoplehypothesizethatvenerealdiseasecausedhisdeafness.SincemercurywascommonlyingestedinBeethoven'stimetotreatvenerealdisease,ifresearchersfindatraceofmercuryinhishair,wecanconcludethatthishypothesisiscorrect.

　　Whichoneofthefollowingisanassumptiononwhichthehistorian'sargumentdepends?

　　（A）Noneofthemercuryintroducedintothebodycanbeeliminated.

　　（B）SomepeopleinBeethoven'stimedidnotingestmercury.

　　（C）Mercuryisaneffectivetreatmentforvenerealdisease.

　　（D）Mercurypoisoningcancausedeafnessinpeoplewithvenerealdisease.

　　（E）BeethovensufferedfrompsychologicalproblemsofthesameseverityasNewton's.

　　22.In1992,amajornewspapercirculatedthroughoutNorthAmericanpaiditsreportersanaveragesalarypaidbyitsprinciplecompetitorstotheirreporters.Anexecutiveofthenewspaperarguedthatthispracticewasjustified,sinceanyshortfallthatmightexistinthereporters'salariesisfullycompensatedbythevaluabletrainingtheyreceivethroughtheirassignments.

　　Whichoneofthefollowing,iftrueaboutthenewspaperin1992,mostseriouslyunderminesthejustificationofferedbytheexecutive?

　　（A）Seniorreportersatthenewspaperearnedasmuchasreportersofsimilarstaturewhoworkedforthenewspaper'sprinciplecompetitors.

　　（B）Mostofthenewspaper'sreportershadworkedthereformorethantenyears.

　　（C）Thecirculationofthenewspaperhadrecentlyreachedaplateau,afterithadincreasedsteadilythroughoutthe1980s.

　　（D）Theunionthatrepresentedreportersatthenewspaperwasdifferentfromtheunionthatrepresentedreportersatthenewspaper'scompetitors.

　　（E）ThenewspaperwaswidelyreadthroughoutcontinentalEuropeandGreatBritainaswellasNorthAmerica.

【

Word是学生和职场人士最常用的一款办公软件之一，99.99%的人知道它，但其实，这个软件背后，还有一大批隐藏技能你不知道。

掌握他们，你将开启新世界的大门。

Tab+Enter,在编过号以后，会自动编号段落

Ctrl+D调出字体栏，配合Tab+Enter全键盘操作吧

Ctrl+L左对齐，Ctrl+R右对齐，Ctrl+E居中

Ctrl+F查找，Ctrl+H替换。

然后关于替换，里面又大有学问！

有时候Word文档中有许多多余的空行需要删除，这个时候我们可以完全可以用“查找替换”来轻松解决。

打开“编辑”菜单中的“替换”对话框，把光标定位在“查找内容”输入框中，单击“高级”按钮，选择“特殊字符”中的“段落标记”两次，在输入框中会显示“^P^P”，然后在“替换为”输入框中用上面的方法插入一个“段落标记”（一个“^P”），再按下“全部替换”按钮。

这样多余的空行就会被删除。

Ctrl+Z是撤销，那还原呢？

就是Ctrl+Y，撤销上一步撤销！

比如我输入abc,按一下F4,就会自动再输入一遍abc