GRE试题（二）

Time——30minutes

25Questions

Question1——7

Inagame，exactlysixinvertedcupsstandsidebysideinastraightline，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.