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ID:9817708
大小:2.81 MB
页数:6页
时间:2018-05-10
《gmat逻辑练习题及解析(一)-智课教育》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、智课网GMAT备考资料GMAT逻辑练习题及解析(一)-智课教育熟能生巧,只有不断练习才能强化知识点。小编为大家整理了难度系数为3星的三道GMAT逻辑练习题,希望对考生备考GMAT逻辑有所帮助。NO.1难度系数★★★StatisticsoverfourconsecutiveyearsshowedthatfourpercentmoreautomobileaccidentshappenedinCaliforniaduringtheweekfollowingtheswitchtodaylightsavingtimeandduringtheweekfollowingtheswitchbac
2、ktostandardtimethanoccurredtheweekbeforeeachevent.ThesestatisticsshowthatthesetimechangesadverselyaffectthealertnessofCaliforniadrivers.Theconclusionintheargumentaboveisbasedonwhichofthefollowingassumptions?(A)DriversinCaliforniaaswellasthoseintherestoftheUnitedStateshavesimilardrivingpattern
3、s.(B)Theobservedincreasesinaccidentratesareduealmostentirelytoanincreaseinthenumberofminoraccidents.(C)Fouryearsisnotasufficientlylongperiodoftimeoverwhichtojudgethephenomenondescribed.(D)Therearenootherfactorssuchasschoolvacationsorholidaycelebrationsthatcauseaccidentratestoriseduringthesewe
4、eks.(E)Atimechangeatanyothertimeofyearwouldnotproduceasimilarincreaseinaccidentrates.NO.2难度系数★★★Prolongedandunseasonablefrostsproducefrostringsindeciduoustrees,whichgrowinmoderateclimates.FrostringsdonotappearinanyofthefossilizeddeciduoustreesthathavebeenfoundinAntarctica.Hence,itisunlikelyth
5、atsuchfrostsoccurredinAntarcticaatthetimethefossilizedtreeslived.Whichofthefollowingisanassumptiononwhichtheargumentdepends?(A)TherearefossilizednondeciduoustreesfromAntarcticathatbearfrostrings.(B)Deciduoustreesaremorelikelytobearfrostringsthanareothertreevarieties.(C)Theprocessoffossilizati
6、ondoesnotcompletelyobscurefrostringsindeciduoustrees.(D)Present-daydeciduoustreesaremoresensitivetochangesintemperaturethanwerethedeciduoustreesofancientAntarctica.(E)ProlongedandunseasonablefroststhatmighthaveoccurredinAntarcticawhenthenow-fossilizedtreeswerestilllivingdidnotalwaysproducefro
7、stringsindeciduoustrees.NO.3难度系数★★★Theworld'sannualfoodproductionslightlyexceedstheamountoffoodrequiredtoprovideaminimallyadequatedietfortheworld'spopulation.Topredictthatinsufficientfoodproductionwillcauseahungercrisisinthefutureisnonsense.A
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