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21.Whichofthefollowingcanbethecompleteselectionofhousestyleonablock?

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

22.Whichofthefollowingcanbethecompleteselectionofhousestyleforablockthatisadjacenttoexactlyoneblock,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,otherospreyswillretraceitsflightpathinhopesofgoodfishing.Thereisseldomsucharesponseifthefirstbirdbringsbackawinterflounder.Yetospreysfeedonwinterflounderjustasreadyasodanyotherfish.

Whichofthefollowing,iftrue,contributesmosttoanexplanationofthefishingbehaviorofospreysasitisdescribedabove?

(A)Ospreysareseldomabletocatchalewives,pollack,orsmelt.(B)Alewives,pollack,andsmaltmoveinschools,butwinterflounderdonot.(C)Winterflounderprefershallowerwatersthandoalewives,pollack,orsmelt.(D)Winterflounderpreferandpollackexhibitprotectivecoloration,butalewivesandsmeltdonot.(E)Ospreysthatliveinnestingareaareespeciallysuccessfulfishers.

24.Arecentstudyofaninsurancecompany’sunderwritersindicatethatthosewhoworkedinpleasantphysicalsurroundingswere25percentmoreproductivethantheirpeersinunpleasantphysicalsurroundings.Objectivecriteriaforevaluatingjobperformanceincludedcaseloadandcomplexityofcases.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,individualtendtochangetheirpoliticalaffiliationreadilyfromonepoliticalpartytoanother.InthepasttheUnionpartygrewlargerbecauseofthistendency,butalthoughmostofthosewhochangetoanewpartyaffiliationchangetotheUnionparty,theUnionpartyhasremainedaboutthesamesizeinrecentyears.

Whichofthefollowing,iftrue,besthelpstoexplainthechangeinthegrowthpatternoftheUnionpartymentionedabove?

(A)Theeconomyhasbeenprosperingrecently,andmanyofthosewhochange

partyaffiliationareupwardlymobileandproperous.(B)Inrecentyeasthosewhowerepreviouslynonaffiliatedhavetendedtojoin

theUnionpartyiftheyjoinedanypartyatall.(C)Thepercentageofvoting-agecitizenswhochangepoliticalpartyaffiliation

eachyearhasremainedconstant,andthenumberofvoting-agecitizens

hasremainedthesame.(D)Thepercentageofvoting-agecitizenswhoareaffiliatedwithanypolitical

partyhasincreasedoverthelasttenyears.(E)ManymembersoftheUnipnpartyhaveabandonedallpoliticalparty

affiliationinrecentyears.


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GRE试题二(2)

10.Aworldwidebanontheproductionofcertainozone-destroyingchemicalswouldprovideonlyanillusionofprotection.Quantitiesofsuchchemicals,alreadyproduced,existascoolantsinmillionsofrefrigerators.Whentheyreach...(查看全文