LSAT考试全真试题三 含答案4部分Word格式.docx

LSAT考试全真试题三 含答案4部分Word格式.docx

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　　Liofourth-yearstudentcanbeassignedtoatriple. 

　　Nosecond-yearstudentcanbeassignedtoasingle. 

　　LeeandPobinmustnotsharethesameroom 

　　KimandPatmustsharethesameroom. 

1.Whichoneofthefollowingisacombinationofroomstowhichthesevenstudentscouldbeassigned?

　（A）twotriplesandonesingle 

　（B）onetripleandfoursingles 

　（C）threedoublesandastngle 

　（D）twodoublesandthreesingles 

　（E）onedoubleandfivesingles 

2.IttheroomassignedtoRobinisasingle,whichoneofthefollowingcouldbetrue?

　（A）Thereisexactlyonedoublethathasasecond-yearstudentassignedtoit. 

　（B）Leeisassignedtoastngle. 

　（C）SandyFatandoneotherstudentarezseignedtoatripletogether. 

　（D）Lixactlythreeoftheroomsassignedtothestudentsaresingles 

　（E）Exactlytwooftheroomsassignedtothestudentsaredoubles. 

3.Whichoneofthefollowingmustbetrue?

　（A）Leeisassignedtoasingle 

　（B）Patshartsadoublewithanotherstudent 

　（C）Robinsharesadoublewithanotherstudent 

　（D）Twoofthesecond-yearstudentsshareadoublewitheachother 

　（E）Neitherofthethird-yearstudentsisassignedtoasingle 

4.IfRobinisassigredtoatriple,whichoneofthefollowingmustbetrue?

　（B）Twosecond-yearstudentsshareadoublewitheachother 

　（C）Noneoftheroomsassignedtothestudentsisasingle 

　（D）Twooftheroomsassignedtothestudentsaresingles. 

　（E）Threeoftheroomsassignedtothestudentsaresingles 

5.IfTerryandValassignedtodifferentdoublesfromeachother,other,thenitmustbetrueofthestudentsroomsthatexactly 

　（A）oneisasingle 

　（B）twoaresingles 

　（C）twoaredoubles 

　（D）oneisatriple 

　（E）twoaretriples 

6.Whichoneofthefollowingcouldbetrue?

　（A）Thetwofourth-yearstudentsareassignedtosingles. 

　（B）Thetwofourth-yearstudentsshareadoublewithcachother. 

　（C）Leesharesaroomwithasecond-yearstudent 

　（D）Leesharesaroomwithathird-yearstudent 

　（E）Patsharesatriplewithtwootherstudents 

Questions7-11 

　　Aworkerwillinsertcoloredlightbulbsintoabillboardequippedwithexactlythreelightsockets,whicharelabledlights1,2,and3.Theworkerhasthreegreenbulbs,threepurplebulbs,andthreeyellowbulbs.Seiectionofbulbsforthesocketsisgovernedbythefollowingconditions:

　　Wheneverlight1ispurple,light2mustbeyellow. 

　　Wheneverlight2ispurple,light1mustbegreen. 

　　Wheneverlight3iseitherpurpleoryellow,light2mustbepurple. 

7.Whichoneofthefollowingcouldbeanaccuratelistofthecolorsoflightbulbsselectedforlights1,2and3,respectively?

　（A）green,green,yellow 

　（B）purple,green,green 

　（C）purple,purple,green 

　（D）yellow,purple,green 

　（E）yellow,yellow,yellow 

8.Iflight1isyellow,thenanyofthefollowingcanbetrue,EXCEPT:

　（A）Light2isgreen. 

　（B）Light2ispurple 

　（C）Light3isgreen 

　（D）Light3ispurple 

　（E）Light3isyellow 

9.Thereisexactlyonepossiblecolorsequenceofthethreelightsifwhichoneofthefollowingistrue?

　（A）Light1ispurple. 

　（B）Light2ispurple. 

　（C）Light2isyellow 

　（D）Light3ispurple. 

10.Ifnogreenbulbsareselected,thereareexactlyhowmanypossibledifferentcolorsequencesofthethreelights?

　　（A）one 

　　（B）two 

　　（C）three 

　　（D）four 

　　（E）five 

11.Ifnotwolightsareassignedlightbulbsthatarethesamecoloraseachother,thenwhichoneofthefollowingcouldbetrue?

　　（A）LightIisgreen,andlight2ispurple. 

　　（B）LightIisgreen,andlight2isyellow. 

　　（C）LightIispurple,andlight2isyellow. 

　　（D）LightIisyellow,andlight2isgreen. 

　　（E）LightIisyellow,andlight2ispurple. 

SECTIONII

Time—35minutes

25Questions

Thequestionsinthissectionarebasedonthereasoningcontainedinbriefstatementsorpassages.Forsomequestions.morethanoneofthechoicescouldconceivablyanswerthequestion.However,youaretochoosethebestanswer,thatis,theresponsethatmostaccuratelyandcompletelyanswersthequestions.Youshouldnotmakeassumptionsthatarebyblackenthecorrespondingspaceonyouranswersheet.

1.Whenpoliticiansresorttopersonalatacksmanyeditortalistscriticizethestattacksbutmostvoterspaythemscantattention.Eeveryoneknowssuchattackswillendafterelectionday,andpoliticianscanbeexcusedformudslinging.Politicalcommentators,however,cannotbe.Politicalcommentatorsshouldbeengagedinsustainedandsenousdebateaboutideasandpolicies.Insuchacontextpersonalattacksonopponentsservenottobeatthoseopponentsbuttocutoffthedebate.

Whichofthefollowingmostaccuratelystatesthemainpointoftheargument?

（A）Dersonalattacksonopponetsserveausufulpurposeforpoliticians.

（B）Politicalcommentatorsshouldnotresorttopersonalattacksontheir　　opponents.

（C）Editonalistsarerighttocriticizepoliticianswhoresorttopersonalattacks　　ontheiropponents.

（D）Thepurposeofseriousdebateaboutideasandpoliciesistocounteractthe　　effectofpersonalattacksbypoliticians.

（E）Votersshouldbeconcernedaboutthepersonalattackspoliticiansmakeon　　eachother.

2.ThroughoutthePopoyaIslandscommunitypressureisexertedonpeoplewhowinthenationallotterytosharetheirgoodfortunewiththeirneighbors.Whenpeoplelivinginruralareaswinthelotterytheyinvariablythrowelaborateneighborhoodfeasts,oftenwiping,outalloftheirlotterywinmmings.However,inthecities,lotterywinnersfrequentlyusetheirwinningsfortheirownpersonalinvestmentratherthansharingtheirgoodfortunewiththeirneighbors.

Whichoneofthefollowingtrue,contributesmosttoanexplanationofthedifferencebetweenthebehavioroflotterywinnersinruralareasandthoseincities?

（A）TwiceasmanyPopoyansliveinruralareasasliveinthecity.

（B）Popoyancitydwellerstendtobuyseverallotteryticketsatatime,butthey　　buyticketslessfrequentlythandoruraldwellers.

（C）Lotterywinnersinruralareasarenotifiedofwinningbypublicpostingoflists　　ofwinners,butnotificationinthecityisbyprivatemail.

（D）FamiliesinruralareasinthePopoyasmaycontaintwelveorforuteen　　people,butcityfamiliesaveragesixorseven.

（E）Twiceasmanylotteryticketsaresoldinruralareasasaresoldinthecity.

3.Anewmedicationformigraineseemseffective,butthereisconcernthatthemedicationmightexacerbateheartdisease.Ifpatienswithheartdiseasetakethemedicationundercarefulmedicalsupervision.however,harmfulsideeffectscandefinitelybeaverted.Theconcernaboutthosesideeffectsisthusunfounded.

Theargumentdependsonwhichoneofthefollowingassumptions?

（A）Thenewmedicationactuallyiseffectivewhentakenbypatientswithheart　　disease.

（B）Nomigrainesuffererswithheartdiseasewilltakethenewmedication　　exceptundercarefulmedicalsupervision.

（C）Mostmigrainesuffererswhohavetakenthenewmedicationintrialsalso　　hadheartdisease

（D）Thenewmedicationhasvariousothersideeffects,butnoneasseriousas　　thatofexacerbatingheartdisease.

（E）Thenewmedicationwilldisplaceallmigramemedicztionscurrentlybeing　　used.

4.Thehighest-rankingdetectivesinthecityspolicedepartmentarealsothemostadeptatsolvingcrimes.Yetineachofthepasttenyears.theaveragesuccessrateforthecityshighest-rankingdetectivesinsolvingcrimnalcaseshasbeennohigherthantheaveragesuccessrateforitslowest-rankingdetectives.

Whichoneofthefollwing,iftrue,mosthelpstoresolvetheapparentparadox?

（A）Thedetectiveswhohavethehighestsuccessrateinsolvingcriminalcases　　arethosewhohaveworkedasdetectivesthelongest.

（B）Itgenerallytakesatleasttenyearsforadetectivetorisefromthelowestto　　thehighestranksofthecitysdetectiveforce.

（C）Thosedetectivesinthepolicedepartmentwhoarethemostadeptatsolving　　criminalcasesarealsothosemostlikelytoremaininthepolice　　department.

（D）Thepolicedepartmentgenerallygivesthecriminalcasesthatitexpectsto　　betheeasiesttosolvetoitslowest-rankingdetectives.

（E）Noneofthelowest-rankingdetectivesinthepolicedepartmenthad　　experiecneinsolvingcritninalcasespriortojoiningthepolicedeparment.

5.Imgationrunofffromneighboringfarmsmaywellhaveincreasedtheconcentrationofphosphorusinthelocalswampabovepreviouslevels,buttheclaimthattheincreaseinphosphorusisharmingtheswampsnativeaquatiewildlifeisfalse:

thephospborusconcentrationintheswampisactuallylessthanthatfoundincertainkindsofbottledwaterthatsomepeopledrinkeveryday.

Theargumentisvulnerabletocriticismonthegroundthatit