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.
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.
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