GRE模拟试题：美国研究生入学考试试题（二）

　　SECTION 2

　　Time—30minutes

　　25 Questions

　　Question1—7

　　Inagame, exactly six inverted cups stand side by sideinastraightline, andeachhasexactlyoneballhidden

　　underit.Thecupsarenumberedconsecutively1through6.Eachoftheballsispaintedasinglesolidcolor.

　　Thecolorsoftheballsaregreen, magenta, orange, purple, red, andyellow.Theballshavebeenhiddeny

　　nderthecupsinamannerthatconformstothefolowingconditions：

　　Thepurpleballmustbehiddenunderalower-numberedcupthantheorangeball.Theredballmustbehiddenunderacupimmediatelyadjacenttothec upunder

　　whichthemagentaballishidden.Thegreenballmustbehiddenundercup5.

　　1.Whichofthefollowingcouldbecoloroftheballsunderthecups, inorderfrom1through6?

　　(A)Green, yellow, magenta, red, purple, orange

　　(B)Magenta, green, purple, red, orange, yellow

　　(C)Magenta, red, purple, yellow, green, orange

　　(D)Red, Purple, magenta, yellow, green, orange

　　(E)Red, purple, magenta, yellow, green, orange

　　2.Ifthemagentaballisundercup4, theredballmustbeundercup

　　(A)1(B)2(C)3(D)4(E)5

　　3.Aballofwhichoffollowingcolorscouldbeundercup6?

　　(A)Green(B)Magenta(C)Purple(D)Red(E)Yellow

　　4.Ifthepurpleballisundercup4, theorangeballmustbeundercup

　　(A)1(B)2(C)3(D)5(E)6

　　5.Whichofthefollowingmustbetrue?

　　(A)Thegreenballisunderalower-numberedcupthanthegreenball.

　　(B)Theorangeballisunderalower-numberedcupthanthegreenball.

　　(C)Thepurpleballisunderalower-numberedcupthanthegreenball.

　　(D)Thepurpleballisunderalower-numberedcupthantheredball.

　　(E)Theredballisunderalower-numberedcupthantheyellowball.

　　6.Iftheorangeballisundercup2, ballsofwhichofthefollowingcolorscouldbeundercupsimmediatelya djacenttoeachother?

　　(A)Greenandmagenta

　　(B)Greenandpurple

　　(C)Orangeandyellow

　　(D)Purpleandred

　　(E)Redandyellow

　　7.Ifthemagentaballisundercup1, ballsofwhichofthefollowingcolorsmustbeundercupsimmediatelyadja centtoeachother?

　　(A)Greenandorange

　　(B)Greenandyellow

　　(C)Purpleandred

　　(D)Purpleandyellow

　　(E)Redandyellow

　　8.Thecompanyshouldnotbeheldresponsibleforfailingtocorrectthecontrol-panelproblemthatcausedtheaccident.Althoughtheproblemhadbeenmentionedearlierinasafetyinspe ctor‘sreport, companiesreceivehundredsofreportsofsuchproblem, andIndustryStandardNo.42requiresa ctiononthoseproblemonlywhenanaccidentisforeseeable.

　　Ifthesecondsentenceintheparagraphaboveisfactuallycorrect, theanswertowhichofthefollowingque stionsismostrelevantinhelpingtodeterminewhetherornotthecompanyviolatedIndustryStandardNo.42w henitfailedtocorrectthecontrol-panelproblem?

　　(A)Wastheaccidentserious?

　　(B)Wasthecontrol-panelproblemofatypethatisknowntoincidentthatanaccidentislikely?

　　(C)Sincetheaccident, hasthecompanydoneaspecialsafetycheckonallcontrolpanels?

　　(D)Didthesafetyinspectormentionmorethanoneprobleminthesamereport?

　　(E)Howlongwasthecontrolpanelinusebeforetheproblemwasdiscovered?

　　9.Riothamus, afifth-centurykingoftheBritons, wasbetrayedbyanassociate, foughtbravelyagainsttheGothsbutwasdefeated, anddisappearedmysteriously.

　　Riothamus, matchalmostexactlythoseattributedtoKingArthur.Therefore, Riothamusmustbethehistoric almodelforthelegendaryKingArthur.

　　Theargumentaboverequiresatleastoneadditionalpremise.Whichofthefollowingcouldbesucharequire dpremise?

　　(A)ModernhistorianshavedocumentedtheactivitiesofRiothamusbetterthanthoseofanyotherfifth-centuryking.

　　(B)ThestoriestoldaboutKingArthurarenotstrictlyfictitiousbutarebasedonahistoricalpersonandhistorical events.

　　(C)Riothamus‘associatesweretheauthorsoftheoriginallegendsaboutKingArthur.

　　(D)Legentsaboutthefifthcenturyusuallyembellishandromanticizetheactualconditionsofthelivesoffifth-centurynobility.

　　(E)Posterityusuallyrememberslegendsbetterthanitrememberstheactualhistoricaleventsonwhichtheyar ebased.

　　10.Aworldwidebanontheproductionofcertainozone-destroyingchemicalswouldprovideonlyanillusionofprotection.Quantitiesofsuchchemicals, alreadyprod uced, existascoolantsinmillionsofrefrigerators.Whentheyreachtheozonelayerintheatmosphere, theirac tioncannotbehalted.Sothereisnowaytopreventthesechemicalsfromdamagingtheozonelayerfurther.

　　Whichofthefollowing, iftrue, mostseriouslyweakenstheargumentabove?

　　(A)Itisimpossibletomeasurewithaccuracythequantityofozone-destroyingchemicalsthatexistascoolantsinrefrigerators.

　　(B)Inmodernsocieties, refrigerationoffoodisnecessarytopreventunhealthyandpotentiallylife-threateningconditions.

　　(C)Replacementchemicalsthatwillnotdestroyozonehavenotyetbeendevelopedandwouldbemoreexpens ivethanthechemicalsnowusedascoolantsinrefrigerators.

　　(D)Evenifpeopleshouldgiveuptheuseofrefrigeration, thecoolantsalreadyinexistingrefrigeratorsareathrea ttoatmosphericozone.

　　(E)Thecoolantsinrefrigeratorcanbefullyrecoveredattheendoftheusefullifeoftherefrigeratorsandreused.

　　Question11—15

　　Agovernmentisassigningeachofsixembassyofficeworkers—Farr, Golden, Hayakawa, Inserra, Jones, andKovacs—toembassies.Therearefourembassies.EmbassiesLandMarelocatedincountrieswithdryclimates, wher easembassiesPandTarelocatedincountrieswithhumidclimates.Theofficeworkersmustbeassignedac cordingtothefollowingrules：

　　Eachembassymusthaveatleastoneoftheworkersassignedtoit.Atleastoneembassyinahumidclimatem usthaveatleasttwoworkersassigned

　　toit.GoldencannotbeassignedtothesameembassyasKovacs.Inserramustbeassignedtanembassyina dryclimates.Jonesmustbeassignedtoanembassyinahumidclimate.11.Whichofthefollowingisanaccep tableassignmentoftheworkerstotheembassies?

　　LMPT(A)Farr, GoldenInserra, KovacsHayakawaJones

　　(B)Golden, KovacsInserraJonesFarr, Hayakawa

　　(C)GoldenFarr, InserraKovacsJones, Hayakawa

　　(D)JonesGolden, InserraHayakawaFarr, Kovacs

　　(E)KovacsFarr, HayakawaInserraGolden, Jones

　　12.WhichofthefollowingmustbeassignedeithertoembassyLortoembassyM?

　　(A)Farr

　　(B)Golden

　　(C)Hayakawa

　　(D)Inserra

　　(E)Kovacs

　　13.WhichofthefollowingCANNOTbetrue?

　　(A)OneworkerisassignedtoL.

　　(B)TwoworkersisassignedtoP.

　　(C)TwoworkersareassignedtoL.

　　(D)ThreeworkersareassignedtoM.

　　(E)ThreeworkersareassignedtoT.

14.IfGoldenandKovacsareassignedtoLandM, respectively, whichofthefollowingmustbetrue?

　　(A)FarrisassignedtoeitherPorT.

　　(B)InserraisassignedtoeitherPorT.

　　(C)PandTeachhavetwoworkersassignedtothem.

　　(D)HayakawaisassignedtoL.

　　(E)HayakawaisassignedtoT.

　　15.IfGolden, Hayakawa, andKovacsareamongtheworkersassignedtoembassiesinhumidclimayes, whichofthefollowingmustbetrue?

　　(A)Farrisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned.

　　(B)Goldenisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned.

　　(C)JonesisassignedtothesameembassyasGolden.

　　(D)HayakawaisassignedtothesameembassyasGolden.

　　(E)HayakawaisassignedtothesameembassyasKovacs.

　　Question16——19

　　Avolunteerusesatrucktopickupdonationsofunsoldfoodandclothingfromstoresandtodeliverthemtoloc ationswheretheycanbedistributed.Hedrivesonlyalongacertainnetworkofroads.

　　Inthenetworktherearetwo-wayroadsconnectingeachofthefollowingpairsofpoints：1with2, 1with3, 1with5, 2with6, 3with7, 5with6, and 6with7.Therearealsoone-wayroadsgoingfrom2to4, from3to2, andfrom4to3.Therearenootherroadsinthenetwork, andtheroadsint henetworkdonotintersect.

　　Tomakeatripinvolvingpickupsanddeliverirs, thevolunteeralwaystakesaroutethatforthewholetrippasse sthroughthefewestofthepoints1through7, countingapointtwiceifthevolunteerpassesthroughittwice.

　　Thevolunteer‘shomeisatpoint3.Donationscanbepickedupatasupermarketatpoint1, aclothingstoreatpoint5, andabak eryatpoint4.Deliveriescanbemadeasneededtoatutoringcenteratpoint2, adistributioncenteratpoint6, a ndashelteratpoint7.

　　16.Ifthevolunteerstartsatthesupermarketandnextistogototheshelter, thefirstintermediatepointhisrpute passesthroughmustbe

　　(A)2

　　(B)3

　　(C)5

　　(D)6

　　(E)7

　　17.If, startingfromhome, thevolunteernextistomakepickupsfortheshelteratthesupermarketandthebake ry(ineitherorder), thefirsttwointermediatepointsonhisroute, beginningwiththefirst, mustbe

　　(A)1and2

　　(B)1and3

　　(C)2and1

　　(D)2and4

　　(E)4and2

　　18.If, startingfromtheclothingstore, thevolunteernextistopickupbreadateitherthesupermarketorthebak ery(whicheverstopmakeshisroutegothroughthefewestofthepoints)andthenistogototheshelter, thefirsttwopointshereachesaftertheclothingstore, beginningwiththefirst, m ustbe

　　(A)1and2

　　(B)1and3

　　(C)4and2

　　(D)6and2

　　(E)6and4

　　19.Ifthevolunteeristomakeatripstartingattheshelter, nextgoingtothebakeryforapickup, andthenending atthedistributioncenter, thefirsttwointermediatepointsonhisroute, beginningwiththefirst, canbe

　　(A)3and1

　　(B)3and4

　　(C)4and2

　　(D)6and2

　　(E)6and5

　　Question20—22

　　Adeveloperisplanningtobuildahousingcomplexonanemptytractofland.Exactlysevendifferentstylesofh ouses—Q, R, S, T, W, X, andZ—willbebuildinthecomplex.Thecomplexwillcontainseveralblocks, andthedeveloperplanstoputhousesofa tleastthreedifferentstylesoneachblock.Thedeveloperwillbuildthecomplexaccordingtothefollowingrule s：

　　AnyblockthathasstyleZonitmustalsohavestyleWonit.

　　AnyblockadjacenttoonethathasonitbothstyleSandstyleXmusthaveonit

　　styleTandstyleZ.

　　NoblockadjacenttoonethathasonitbothstyleRandstyleZcanhaveonit

　　eitherstyleTorstyleW.

　　NoblockcanhaveonitbothstyleSandstyleQ.

　　20.Whichofthefollowingcanbethecompleteselectionofhousestyleonablock?

　　(A)Q, R, S(B)Q, S, X(C)R, T, Z(D)S, W, Z(E)T, X, Z

　　21.Whichofthefollowingcanbethecompleteselectionofhousestyleonablock?

　　(A)Q(B)R(C)S(D)W(E)X

　　22.Whichofthefollowingcanbethecompleteselectionofhousestyleforablockthatisadjacenttoexactlyon eblock, ifthatoneblockhasonitstyleS, T, W, andXonly?

　　(A)S, T, andX(B)T, X, andZ(C)R, S, X, andZ(D)S, T, W, andX(E)T, W, X, andZ

　　23.Whenanosprey(afish-eatinghawk)returnafromfishingtoitsnestingareawithafishlikeanalewife, apollack, orasmelt, otherospreyswillretracei tsflightpathinhopesofgoodfishing.Thereisseldomsucharesponseifthefirstbirdbringsbackawinterfloun der.Yetospreysfeedonwinterflounderjustasreadyasodanyotherfish.

　　Whichofthefollowing, iftrue, contributesmosttoanexplanationofthefishingbehaviorofospreysasitisdesc ribedabove?

　　(A)Ospreysareseldomabletocatchalewives, pollack, orsmelt.

　　(B)Alewives, pollack, andsmaltmoveinschools, butwinterflounderdonot.

　　(C)Winterflounderprefershallowerwatersthandoalewives, pollack, orsmelt.

　　(D)Winterflounderpreferandpollackexhibitprotectivecoloration, butalewivesandsmeltdonot.

　　(E)Ospreysthatliveinnestingareaareespeciallysuccessfulfishers.

　　24.Arecentstudyofaninsurancecompany‘sunderwritersindicatethatthosewhoworkedinpleasantphysicalsurroundingswere25percentmorepro ductivethantheirpeersinunpleasantphysicalsurroundings.Objectivecriteriaforevaluatingjobperform anceincludedcaseloadandcomplexityofcases.Thisshowsthatimprovingworkers’enviromentsincreasesthoseworkers‘productivity.

　　Whichofthefollowing, iftrue, mostseriouslyweakenstheconclusionabove?

　　(A)Onaverage, less-productiveemployeesspendnofewerhoursperdayat theirworkstationsthandotheirmore-productivepeers.

　　(B)Unpleasantsurroundingsgiveemployeeslessmotivationtoworkhardthan morepleasantsurroundingsdo.

　　(C)Themore-productiveemployeesaregenerallyrewardedwithpleasantoffice space.

　　(D)More-productiveemployeesdonotworkanymorehoursthantheir less-productivepeers.

　　(E)Peerpressurediscouragesemployeesincrowed, unpleasantsurroundings frommakingphonecallstotheirownfamilymembersduringworktime.

　　25.Inacertaincountry, individualtendtochangetheirpoliticalaffiliationreadilyfromonepoliticalpartyto another.InthepasttheUnionpartygrewlargerbecauseofthistendency, butalthoughmostofthosewho changetoanewpartyaffiliationchangetotheUnionparty, theUnionpartyhasremainedaboutthesame sizeinrecentyears.

　　Whichofthefollowing, iftrue, besthelpstoexplainthechangeinthegrowthpatternoftheUnionpartymen tionedabove?

　　(A)Theeconomyhasbeenprosperingrecently, andmanyofthosewhochange partyaffiliationareupwardlymobileandproperous.

　　(B)Inrecentyeasthosewhowerepreviouslynonaffiliatedhavetendedtojoin theUnionpartyiftheyjoinedanypartyatall.

　　(C)Thepercentageofvoting-agecitizenswhochangepoliticalpartyaffiliation eachyearhasremainedconstant, andthenumberofvoting-agecitizens hasremainedthesame.

　　(D)Thepercentageofvoting-agecitizenswhoareaffiliatedwithanypolitical partyhasincreasedoverthelasttenyears.

　　(E)ManymembersoftheUnipnpartyhaveabandonedallpoliticalparty affiliationinrecentyears.