新GRE逻辑阅读10套第四套.docx

新GRE逻辑阅读10套第四套.docx

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新GRE逻辑阅读10套第四套

新GRE逻辑阅读10套：

第四套

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由于新gre逻辑阅读部分的内容考生还是有点不习惯，或是没有对新gre逻辑阅读部分准备充分，建议第一遍时一定卡时间练习。

所有10个练习共计132道逻辑单题，数量已经足够;反复训练这些题目，应对新GRE逻辑阅读单题应该没有困难。

1.Drugcompanieslosemoneywhenmanufacturingdrugsthatcurethosesufferingfromrarediseasesbecausesellingadrugtoonlyafewpeopleusuallydoesnotrecoupmanufacturingexpenses.Therefore,acompanymanufacturinganyofthedrugsthatcurethosesufferingfromloxemia,anextremelyraredisease,willundoubtedlylosemoney.Whichofthefollowing,iftrue,mostseriouslyweakenstheconclusionabove?

（A）Severaldrugsthatcurethosesufferingfromloxemiaalsocurethosesufferingfromverycommonillnesses.

（B）Mostofthosewhocontractloxemiaalsocon-tractanotherillnessconcurrently.

（C）Mostofthedrugcompaniesthatmanufacturedrugsthatcurerarediseasesdonotmanufac-turedrugsthatcureloxemia.

（D）Asizablenumberofpeopleareafflictedwithoneoranotherrarediseaseeventhougheachrarediseaseafflictsonlyasmallnumberofpeople.

（E）Thelargertheamountofadrugthatismanu-factured,thelowerthemanufacturingexpenseforeachunitofthedrugthatisproduced.

2.Thetombofawarriorkilledin1501bearsasculpted portraitdepictinghimdressedforbattle.Somehis-toriansattributetheportraittoanartistfromthatcentury,butofthemanyreferencestothetombinsurvivingdocuments,nonethatpredatesthe1800'smentionstheportrait.Theportraitisthereforemorelikelytheworkofamuchlaterartist.Whichofthefollowing,iftrue,wouldalsosupporttheconclusionoftheargumentifsubstitutedfortheevidencegivenconcerningtheportrait?

（A）Theportraitofthewarriorwascommissionedbythefamilyofthewarrior'swidow.

（B）Referencesinsurvivingdocumentsmentionthatanartistwaspaidin1525foranunspecifiednumberofworksforthechurchinwhichthetombislocated

（C）Thewarriorisdepictedintheportraitaswearingbootsmadeofamaterialnotusedforbootsuntilthe1700's.

（D）Someotherarttreasuresfromthechurchinwhichthetombislocated havebeenreliabledatedtothe1400's.

（E）Theportraitofthewarrioronthetombstronglyresemblesaportraitofhimknowntohave

beencompletedduringhislifetime.

3.Scientist：

Morethan1,000largeasteroidsregularlycrosstheEarth'spath.Eventhoughtheprobabil-ityofonecollidingwiththeEarthisextremelyslight,weshoulddowhateverwecantoreducethatprobabilitysinceanysuchcollisionwouldbecatastrophic.Thebestwaytoavoidsuchadisasteristodeflecttheasteroids.Theonlyknownwayofdeflectingasteroidsisbyhittingthemwithnuclearweaponsthatwouldbestoredinspacestations.Thescientist’sclaimsarestructuredsoastoleadtowhichofthefollowingconclusions?

（A）Nucleartechnologyistheonlytechnologythatcanplausiblybeusedtopreventnaturalcatastrophes.

（B）Nuclearweaponsshouldbedeployedinspace.

（C）NocatastrophehasyetbeencausedbythecollisionofanasteroidwiththeEarth.

（D）The1,000largeasteroidsthatcrosstheEarth'spathposeonlyanextremelyslightriskofcollidingwiththeEarth.

（E）Thereiscurrentlynoacceptableusetowhichnuclearweaponscanbeput,asidefrompro-tectingtheEarthfromasteroids.

4.Ithaslongbeenthoughtthathighlevelsofthehor-monetestosteronecontributetotheonsetofheartdiseaseinmen.However,thisviewcannotbecorrect,sincemenwhohaveheartdiseasetypicallyshowsignificantlylowerlevelsoftestosteronethandomenwhohavenothadheartdisease.Theargumentaboveassumeswhichofthefollowing?

（A）Manymenwhohaveneverhadheartdiseasehaveunusuallylowlevelsoftestosterone.

（B）Havingheartdiseasedoesnotsignificantlylowertheleveloftestosteroneinmen.

（C）Levelsofhormonesotherthantestosteronesignificantlyaffectthelikelihoodthatamanwilldevelopheartdisease.

（D）Heartdiseaseandloweredtestosteronelevelsinmenaretheeffectsofasinglecommoncause.

（E）Highlevelsoftestosteronehaveneverbeenthoughttocontributetoaseriousdiseaseotherthanheartdisease.

5.Peoplewhoengageinscubadivingarehealthier,onaverage,thanpeoplewhodonotengageinthisactivity.

Therefore,scubadivingtendstopromoteimprovedhealth.Theargumentismostvulnerabletocriticismonthegroundsthatit

（A）presupposesthateveryonewhotakesupscubadivingdoessosolelyforhealthreasons

（B）leadstoafurtherandfalsifiableconclusionthatnoonecanachievegoodhealthwithoutengaginginscubadiving

（C）failstopointoutthatasmallnumberofpeopleareseriouslyinjuredinscubadivingaccidentseachyear

（D）treatsapreconditionforimprovingone'shealthasthoughitweresomethingthatbyitselfcouldensuregoodhealth

（E）overlooksthepossibilitythatpeoplegenerallydonottakeupscubadivingunlesstheyareingoodhealth

6.Whichofthefollowingmostlogicallycompletestheargumentbelow?

Inrecentyears,theproportionofcarbuyerswhobuynewcarsratherthanusedcarshasdeclined.Someconsumershaveattributed thischangetoanincreaseinnew-carprices.Asevidenceofthepriceincrease,theycitefiguresthatshowthat,evenadjustingforinflation,thepricethatthebuyerofanewcarpays,onaverage,isfarhighernowthanafewyearsago.Thisevidenceisunpersuasive,however, because

（A）thevalueofacarthatisboughtnewdeclinesmuchmorerapidlythandoesthevalueofacarthatisboughtused

（B）aftersomeonehasboughtacar,itmightbeseveralyearsbeforethatpersonnextbuysacar

（C）adeclineintheproportionofcarbuyerswhobuynewcarsmustnecessarilymeanthattheproportionwhobuyusedcarshasincreased

（D）therelativeincreaseinused-carsalesmightbeexplainedbythedecisionsofonlyasmallproportionofallcarbuyers

（E）thechangeintheaveragepricepaidforanewcarcouldresultsolelyfrommorepeople'srejectinginexpensivenewcarsinfavorofusedcars

7.InBassariaagroupofthatcountry'smostseniorjudgeshascriticizedtheuniformmandatorysentencesrecentlyintroducedforcertainspecificcrimes.Thejudgesarguethatsuchsentences,bydeprivingthemofalldiscretioninsettingsentences,makeitimpos-sibleforthemtoconsidereitheraggravatingorexten-uatingcircumstancesandsomakeitimpossibletoachievetruejustice―thefittingoftheseverityofthepunishmenttothegravityoftheparticularcrime.Whichofthefollowing,iftrue,providesthestrongestevidencefortheclaimthatinBassariathenewlyintroducedmandatorysentencesarenotnecessarilyachangefortheworsewithrespecttoachievingtruejusticeasdefinedintheargument?

（A）Beforemandatorysentencing,judgesineasternBassariaimposedstrikinglydifferentsentencesfromthoseinwesternBassariaforequallygraveinstancesofthesamekindofoffense.

（B）InBassariathefrequencyofcrimesthathavebeenmadesubjecttomandatorysentencesislowernowthanitwasjustpriortotheintro-ductionofmandatorysentencing.

（C）ThelawintroducingmandatorysentenceswaspassedinthelegislatureofBassariabyalarge

majorityandisunlikelytoberepealedintheforeseeablefuture.

（D）Thereusedtobeawidedifferencebetweentheminimumandthemaximumsentencesallowed

bylawincasesofcrimesnowsubjecttoman-datorysentences.

（E）InBassariajudgesareappointed forlifeandarethusnoteasilyinfluencedbypoliticalpressure

groups.

8.Eachoftwoparticularinspectionsystemsthatarebasedondifferentprincipleswoulddetectallproductflawsbutwouldalsoerroneouslyrejectthreepercentofflawlessproducts.Assumingthereisnooverlapbetweentheproductserroneouslyrejectedbythetwosystemsandalsonointerferencebetweenthesystemsifbothoperate,usingbothsystemsandrejectingonlythoseproductsfoundflawedbybothwouldbeawayofavoidingallerroneousrejections.Whichofthefollowingmostpreciselycharacterizesthereasoningintheargument?

（A）Thereasoningisconclusive,thatis,theconclusioncannotbefalseifthestatementsofferedinitssupportaretrue.

（B）Thereasoningisstrongbutnotconclusive,ifthestatementsofferedinsupportoftheconclusionaretrue,theyprovidegoodgroundsforthatconclu-sion,thoughitispossiblethatadditionalinfor-mationmightweakentheargument.

（C）Thereasoningisweak;thestatementsofferedinsupportoftheconclusion,thoughrelevanttoit,bythemselvesprovideatbestinadequategroundsfortheconclusion.

（D）Thereasoningisflawedinthattheconclusionisnomorethanaparaphraseofoneofthepiecesofevidenceofferedinitssupport.

（E）Thereasoningisflawedinthattheargumenttreatsevidencethatafactorisnecessarytobringaboutaneventasifitwereevidencethatthefactorissufficienttobringaboutthatevent.

9.Inrecentyears,therehasbeenadramaticdeclineinthepopulationoftheshrike,apredatorybirdthatinhabitsflatland,suchasfarmsandpastures.Someornithologistshypothesizethatthisdeclineisduetotheintroductionofnew,moreeffectivepesticidestocontroltheinsectspeciesonwhichshrikesprey.TheanswertowhichofthefollowingquestionsisNOTrelevanttoevaluatingtheornithologists'hypothesis?

（A）Wasthereadeclineintheshrikepopulationbeforethenewpesticideswerefirstused?

（B）Haveshrikepopulationsdeclinedsignificantlyinthosehabitatswherethenewpesticideshavenotbeenused?

（C）Havethenewpesticidesmoresignificantlyreducedthepopulationofinsectspeciesonwhichshrikespreythandidthepesticidespreviouslyused?

（D）Areinsectsthathaveconsumedthenewpesti-cidesmoretoxictotheshrikesthateatthoseinsectsthanwereinsectsthatconsumedthelesseffectivepesticides?

（E）Are