(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.