GRE最新练习题7Word文档下载推荐.docx

GRE最新练习题7Word文档下载推荐.docx

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（C）Childrenexposedtoairborneasbestosruna

greaterriskofdevelopingcancerthando

adultsexposedtoairborneasbestos.

（D）Thecostofremovingasbestosvariesfrom

schooltoschool,dependingonaccessibility

andthequantityofasbestostoberemoved.

（E）Itisimpossibletodeterminewithanydegree

ofcertaintyifandwhenconstructionmaterials

thatcontainasbestoswillbreakdownand

releaseasbestosfibersintotheair.

2.Aedesalbopictus,avarietyofmosquitothathas

recentlyestablisheditselfinthesoutheastern

UnitedStates,islesswidespreadthanthe

indigenousswampmosquito.Boththeswamp

mosquitoandA.albopictuscancarryvirusesthat

aresometimesfataltohumans,butA.albopictus

isagreaterdangertopublichealth.

Eachofthefollowing,iftrue,providesadditional

informationthatstrengthensthejudgmentgiven

aboutthedangertopublichealthEXCEPT:

（A）Unliketheswampmosquito,A.albopictus

originatedinAsia,andlarvaeofitwerenot

observedintheUnitedStatesbeforethemid-

1980'

s.

（B）Unliketheswampmosquito,A.albopictus

tendstospendmostofitsadultlifenear

humanhabitation.

（C）Unlikeswampmosquitolarvae,A.

albopictuslarvaesurviveinflowerpots,tin

cans,andmanysmallhouseholdobjectsthat

holdalittlewater.

（D）Incomparisonwiththeswampmosquito,A.

albopictushostsamuchwidervarietyof

virusesknowntocauseseriousdiseasesin

humans.

（E）A.albopictusseeksoutamuchwiderrange

ofanimalhoststhandoestheswampmosq-

uito,anditismorelikelytobitehumans.

Questions3-8

Themanagerofahorseshowisplacingseven

obstacles-onechickencoop,onegate,twostone

walls,andthreefences-onajumpingcoursethat

consistsofsevenpositions,numberedandarranged

consecutivelyfrom1to7.Theplacementofthe

obstaclesinthesevenpositionsmustconformtothe

followingconditions:

Notwofencescanbeplacedinconsecutivepositions.

Thestonewallsmustbeplacedinconsecutive

positions.

3.Whichofthefollowingisanacceptable

placementofobstaclesinthesevenpositions,

inorderfromthefirstpositiontothelastposition

onthecourse?

（A）Chickencoop,fence,gate,stonewall,fence,

stonewall,fence

（B）Fence,gate,fence,fence,chickencoop,

stonewall,stonewall

（C）Fence,stonewall,stonewall,gate,chicken

coop,fence,fence

（D）Gate,stonewall,stonewall,fence,fence,

chickencoop,fence

（E）Stonewall,stonewall,fence,chickencoop,

fence,gate,fence

4.Ifoneofthefencesisinthethirdpositionand

anotherisinthesixthposition,whichofthe

followingmustbetrue?

（A）Thechickencoopisintheseventhposition.

（B）Thegateisinthesecondposition.

（C）Thegateisintheseventhposition.

（D）Oneofthestonewallsisinthefirstposition.

（E）Oneofthestonewallsisinthefourth

position.

5.Ifoneofthestonewallsisintheseventhposition,

whichofthefollowingmustbeFALSE?

（A）Thechickencoopisinthesecondposition.

（B）Thechickencoopisinthefourthposition.

（C）Oneofthefencesisinthefirstposition.

（D）Oneofthefencesisinthesecondposition.

（E）Thegateisinthefourthposition.

6.WhichofthefollowingCANNOTbethe

positionsoccupiedbythethreefences?

（A）First,third,andfifth

（B）First,third,andsixth

（C）Second,fourth,andsixth

（D）Second,fourth,andseventh

（E）Third,fifth,andseventh

7.Ifastonewallisplacedimmediatelyafterthe

gate,whichofthefollowingisacompleteand

accuratelistofthepositionsinwhichthegatecan

beplaced?

（A）Second,third（B）Second,fourth

（C）Third,fourth（D）Second,third,fourth

（E）Third,fourth,fifth

8.Ifthechickencoopisnotplacedimmediately

afteranyfence,whichofthefollowingisa

completeandaccuratelistofthepositionsin

whichthechickencoopcanbeplaced?

（A）First,second,third

（B）First,third,fourth

（C）First,fourth,sixth

（D）First,second,third,fourth

（E）First,third,fourth,sixth

9.Aperson'

scholesterollevelwilldecline

significantlyifthatpersonincreasesthe

numberofmealseatenperday,butonlyif

thereisnosignificantincreaseintheamount

offoodeaten.However,mostpeoplewho

increasethenumberofmealstheyeateachday

willeatalotmorefoodaswell.

Ifthestatementsabovearetrue,whichofthe

followingismoststronglysupportedbythem?

（A）Formostpeople,cholesterollevelisnot

significantlyaffectedbytheamountoffood

eatenperday.

（B）Formostpeople,theamountoffoodeatenper

mealismoststronglyaffectedbythetimeof

dayatwhichthemealiseaten.

（C）Formostpeople,increasingthenumberof

mealseatenperdaywillnotresultina

significantlylowercholesterollevel.

（D）Formostpeople,thetotalamountoffood

eatenperdayisunaffectedbythenumberof

mealseatenperday.

（E）Formostpeople,increasingthenumberof

mealseatenperdaywillresultinasignificant

changeinthetypesoffoodeaten.

10.AcertaintypeofdinnerwaremadeinGanandia

containslead.Leadcanleachintoacidicfoods,

andGanandianstendtoeathighlyacidicfoods.

However,theextremerarityofleadpoisoningin

Ganandiaindicatesthatthedinnerwaredoesnot

containdangerousamountsoflead.

Whichofthefollowing,iftrue,mostseriously

weakenstheargumentabove?

（A）Thedinnerwareisproducedexclusivelyfor

saleoutsideGanandia.

（B）Ganandianfoodstypicallyaremuchmore

acidicthanfoodsanywhereelseinthe

world.

（C）Theonlysourceofleadpoisoningin

Ganandiaisleadthathasleachedintofood.

（D）Mostpeoplewhousethedinnerwarearenot

awarethatitcontainslead.

（E）Acidicfoodscanleachleadfromdinnerware

evenifthatdinnerwarehasaprotective

coating.

Question11isbasedonthefollowinggraph.

EFFECTIVENESSOFDRUGXINERADICATING

ABACTERIALLUNGINFECTIONINADULT

PATIENTS

PointDuringtheCourseoftheInfection

atWhichDrugXWasFirstAdministeredtoPatients

（inweeksfollowingtheonsetofsymptoms）

11.DrugX,whichkillsoncontactthebacteriathat

causetheinfection,isadministeredtopatients

bymeansofanaerosolinhaler.

Whichofthefollowing,iftrue,contributesmost

toexplainingthechangeindrugX'

s

effectivenessduringthecourseoftheinfection?

（A）Symptomsoftheinfectionusuallybecome

evidentduringthefirst48hoursfollowing

infection.

（B）Mostpatientswithlunginfectionssaythey

preferaerosolinhalerstoothermeansof

administeringantibacterialdrugs.

（C）InmostpatientstakingdrugX,thedosage

administeredisincreasedslightlyeachweek

untilsymptomsdisappear.

（D）Inpatientswhohavetheinfection,the

abilitytoinhalebecomesincreasingly

impairedbeginninginthesecondweekafter

theonsetofsymptoms.

（E）DrugXisnotadministeredtoanypatient

whoshowssignsofsufferingfrom

secondaryinfections.

12.Sergeant

Ourpoliceacademynolongerrequiresits

applicantstopassaphysicalexamination

beforebeingadmittedtotheacademy.Asa

result,severalcandidateswithweakheartsand

highbloodpressurehavebeenadmitted.Hence,

wecanexpectourfuturepoliceforcetohave

morehealthproblemsthanourcurrentpolice

force.

Knowledgeofeachofthefollowingwouldbe

relevanttodeterminingthereliabilityofthe

sergeant'

spredictionEXCEPTwhether

（A）policeofficercandidatesarescreenedfor

highbloodpressurebeforejoiningthepolice

force

（B）thepoliceofficercandidateswhoarenot

healthynowarelikelytobeunhealthyas

policeofficers

（C）graduatesofthepoliceacademyarerequired

topassaphysicalexamination

（D）thehealthofthecurrentpoliceofficer

candidatesisworsethanwasthehealthof

policeofficercandidatesinthepast

（E）apoliceofficer'

shealthisareliableindicator

oftheofficer'

sperformance

Questions13-16

Atranscontinentalrailroadtrainhasexactlyeightcars—J,K,L,M,N,O,P,andR—boundforseveraldifferentdestinations.Thepositionsofthecarsinanyorderingofthetrainarenumberedfirstthrougheighthfromthefrontofthetrain.Becausethecarswillbedetachedatdifferentpoints,certainorderingrequirementsmustbemet,asfollows:

JmustbesomewherebehindMinthetrain.

Kmustbeimmediatelyinfrontofor

immediatelybehindP.

OmustbeinfrontofN,andexactlyonecar

mustbebetweenthem.

Rmustbeamongthefrontmostfourcarsand

somewherebehindO.

13.Whichofthefollowingrepresentsapossible

orderforthecars,fromthefronttotherearof

thetrain