(单词翻译:单击)
GRE模拟试题:美国研究生入学考试试题(二)
SECTION2
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.
(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.