GRE最新练习题10.docx

GRE最新练习题10.docx

《GRE最新练习题10.docx》由会员分享，可在线阅读，更多相关《GRE最新练习题10.docx（54页珍藏版）》请在冰豆网上搜索。

GRE最新练习题10

SECTION1

Time-30minutes

38Questions

5y=15

x=2y

1.x5

OisthecenterofthecircleandtheperimeterofAOBis6.

2.Thecircumferenceofthe12

circle

Ken’smonthlytake-homepayiswdollars.Afterhepaysforfoodandrent,hehasxdollarsleft

3.xw–x

4.

1

5.

8

6.

Theoperationisdefinedforallpositivenumbersrandtbyrt=

7.71373771

8.

9.（250）（492）

10.xy

11.ThenumberofprimeThenumberofprime

numbersbetween70numbersbetween30

and76and36

6

y=8

12.

0.85

KLNPisasquarewithperimeter128.

13.MQ42

14.

1+3x

ThemediansalaryforprofessionalgroupAis$40,610.ThemediansalaryforprofessionalgroupBis$40,810.

15.Themediansalaryfor$40,710

groupsAandB

combined

16.Thewaterlevelinatankisloweredby6inches,thenraisedby

inches,andthenloweredby4inches.Ifthewaterlevelwasxinchesbeforethechangesinlevel,whichofthefollowingrepresentsthewaterlevel,ininches,afterthechanges?

（A）

（B）

（C）

（D）

（E）

17.Inthefigureabove,M,N,andParemidpointsofthesidesofanequilateraltrianglewhoseperimeteris18.Whatistheperimeteroftheshadedregion?

（A）2

（B）3

（C）

（D）6

（E）9

18.Whichofthefollowingsetsofnumberishasthegreateststandarddeviation?

（A）2,3,4

（B）2.5,3,3.5

（C）1,1.25,1.5

（D）–2,0,2

（E）20,21,21.5

19.Ifx,y,andzrepresentconsecutiveintegers,andx

Ⅰ.x+1

Ⅱ.

Ⅲ.

（A）Ⅰonly

（B）ⅠandⅡonly

（C）ⅠandⅢonly

（D）ⅡandⅢonly

（E）Ⅰ,ⅡandⅢ

20.When9studentstookazoologyquizwithapossiblescoreof0to10,inclusive,thereaverage（arithmeticmean）scorewas7.5.Ifatenthstudenttakesthesamequiz,whatwillbetheleastpossibleaveragescoreonthequizforall10students?

（A）6.5

（B）6.75

（C）7.0

（D）7.25

（E）7.5

Questions21-25refertothefollowinggraph.

21.Thetwocorporatesectorsthatincreasedtheirsupportfortheartsfrom1988to1991madeatotalcontributionin1991ofapproximatelyhowmanymilliondollars?

（A）112

（B）125

（C）200

（D）250

（E）315

22.Howmanyofthesixcorporatesectorslistedeachcontributedmorethan$60milliontotheartsinboth1988and1991?

（A）One

（B）Two

（C）three

（D）Four

（E）Five

23.Approximatelyhowmanymilliondollarsmoredidthewholesalesectorcontributetotheartsin1988thanin1991?

（A）10.4

（B）12.6

（C）14.0

（D）16.5

（E）19.2

24.From1988to1991,whichcorporatesectordecreaseditssupportfortheartsbythegreatestdollaramount?

（A）Services

（B）Manufacturing

（C）Retail

（D）Wholesale

（E）Other

25.Oftheretailsector’s1991contributiontothearts,

wenttosymphonyorchestrasand

oftheremainderwenttopublictelevision.Approximatelyhowmanymilliondollarsmoredidtoretailsectorcontributetopublictelevisionthatyearthantosymphonyorchestras?

（A）5.2

（B）6.3

（C）10.4

（D）13.0

（E）19.5

26.Ifx=a5andy=a6,a0,whichofthefollowingisequivalenttoa13?

（A）xy

（B）x2y

（C）

（D）

（E）

27.Theprobabilitiesthateachoftwoindependentexperimentswillhaveasuccessfuloutcomeare

and

respectively.Whatistheprobabilitythatbothexperimentswillhavesuccessfuloutcomes?

（A）

（B）

（C）

（D）

（E）

28.Ifxis1,2,or3andyiseither2or4,thentheproductxycanhavehowmanydifferentpossiblevalues?

（A）Three

（B）Four

（C）Five

（E）Six

（E）Seven

29.Iftheradiusofacircularregionweredecreasedby20percent,theareaofthecircularregionwoulddecreasebywhatpercent?

（A）16%

（B）20%

（C）36%

（D）40%

（E）44%

30.WorkersatCompaniesXandYarepaidthesamebasehourlyrate.WorkersatcompanyXarepaid1.5timesthebasehourlyrateforeachhourworkedperweekinexcessofthefirst37,whileworkersatCompanyYarepaid1.5timesthebasehourlyrateforeachhourworkedperweekinexcessofthefirst40.Inagivenweek,howmanyhoursmustaCompanyXworkerworkinordertoreceivethesamepayasacompanyYworkerwhoworks46hours?

（A）46

（B）45

（C）44

（D）43

（E）42

SECTION2

Time-30Minutes

38Questions

1.Asbusinessesbecomeawarethattheiradvertisingmust------theeverydayconcernsofconsumers,theircommercialswillbecharacterizedbyagreaterdegreeof------.

（A）allay...pessimism

（B）address...realism

（C）evade....verisimilitude

（D）engage…fancy

（E）change...sincerity

2.Becausethelawyer'smethodswerefoundto

be------,thedisciplinarycommittee-------his

privileges.

（A）unimpeachable...suspended

（B）ingenious...withdrew

（C）questionable...expanded

（D）unscrupulous...revoked

（E）reprehensible...augmented

3.Peopleofintelligenceandachievementcannone-

thelessbeso------andlackingin------thatthey

gambletheirreputationsbybreakingthelawto

furthertheirownends.

（A）devious...propensity

（B）culpable...prosperity

（C）obsequious...deference

（D）truculent...independence

（E）greedy...integrity

4.Anumberofscientistshavepublishedarticles

-------globalwarming,stating-------thatthere

isnosolidscientificevidencetosupportthe

theorythattheEarthiswarmingbecauseof

increasesingreenhousegases.

（A）debunking...categorically

（B）rejecting...paradoxically

（C）deploring...optimistically

（D）dismissing...hesitantly

（E）proving...candidly

5.Thesenator'sattempttoconvincethepublicthat

sheisnotinterestedinrunningforasecondterm

isas--------asheropponent'sattempttodisguise

hisintentiontorunagainsther.

（A）biased

（B）unsuccessful

（C）inadvertent

（D）indecisive

（E）remote

6.MacCrory’sconversationwas--------:

shecould

nevertellastory,chieflybecauseshealways

forgotit,andshewasneverguiltyofawitticism,

unlessbyaccident.

（A）scintillating

（B）unambiguous

（C）perspicuous

（D）stultifying

（E）facetious

7.Despiteitsmany--------,thewhole-language

philosophyofteachingreadingcontinuesto

gain--------amongeducators.

（A）detractors...notoriety

（B）adherents...prevalence

（C）critics…currency

（D）enthusiasts...popularity

（E）practitioners…credibility

8.CENSUS:

POPULATION:

:

（A）interrogation:

guilt

（B）survey:

price

（C）interview:

personality

（D）questionnaire:

explanation

（E）inventory:

stock

9.AUTHENTICITY:

FRAUDULENT:

:

（A）morality:

utopian

（B）intensity:

vigorous

（C）sincerity:

hypocritical

（D）particularity:

unique

（E）plausibility:

narrated

10.VARNISH:

GLOSSY:

:

（A）sharpen:

blunt

（B）measure:

deep

（C）sand:

smooth

（D）approximate:

precise

（E）anchor:

unstable

11.AMENITY:

COMFORTABLE

（A）tact:

circumspect

（B）nuisance:

aggravated

（C）honorarium:

grateful

（D）favorite:

envious

（E）lounge:

patient

12.PAIN:

ANALGESIC:

:

（A）energy:

revitalization

（B）interest:

stimulation

（C）symptom:

palliative

（D）despair:

anxiety

（E）reward:

incentive

13.VOICE:

SHOUT:

:

（A）ear:

overhear

（B）eve:

see

（C）hand:

clutch

（D）nerve:

feel

（E）nose:

inhale

14.PONTIFICATE:

SPEAK:

:

（A）strut:

walk

（B）stare:

look

（C）patronize:

frequent

（D）eulogize:

mourn

（E）reciprocate:

give

15.BIBLIOPHILE:

BOOKS:

:

（A）environmentalist:

pollution

（B）zoologist:

animals

（C）gourmet:

food

（D）calligrapher:

handwriting

（E）aviator:

aircraft

16.INDIGENT:

WEALTH:

:

（A）presumptuous:

independence

（B）imperturbable:

determination

（C）inevitable:

inescapability

（D）indigestible:

sustenance

（E）redundant:

indispensability

Thispassageisbasedonanarticlepublishedin1990.

Eighttimeswithinthepatmillionyears,some-

thingintheEarth’sclimaticequationhaschanged.

allowingsnowinthemountainsandthenorthern

Linelatitudestoaccumulatefromoneseasontothenext

（5）insteadofmeltingaway.Eachtime,theenormousice

sheetsresultingfromthiscontinualbuilduplastedtens

ofthousandsofyearsuntiltheendofeachparticular

glacialcyclebroughtawarmerclimate.Scientists

speculatedthattheseglacialcycleswereultimately

（10）drivenbyastronomicalfactors:

slow,cyclicchanges

intheeccentricityoftheEarth’sorbitandinthetilt

andorientationofitsspinaxis.Butupuntilaround

30yearsago,thelackofanindependentrecordofice-

agetimingmadethehypothesisuntestable.

（15）Thenintheearly1950’sEmilianiproducedthe

firstcompleterecordofthewaxingsandwanings

ofpastglaciations.Itcamefromaseeminglyodd

place.theseafloor.Single-cellmarineorganisms

called"foraminifera"housethemselvesinshellsmade

（20）fromcalciumcarbonate.Whentheforaminiferadie.

sinktothebottom,andbecomepartofseafloorsedi-

ments,thecarbonateoftheirshellspreservescertain

characteristicsoftheseawatertheyinhabited.In

particular,theratioofaheavy,isotopeofoxygen

（25）（oxygen-18）toordinaryoxygen（oxygen-16）inthe

carbonatepreservestheratioofthetwooxygensin

watermolecules.

Itisnowunderstoodthattheratioofoxygeniso-

topesinseawatercloselyreflectstheproportionof

（30）theworld’swaterlockedupinglaciersandicesheets.

Akindofmeteorologicaldistillationaccountsforthe

link.Watermoleculescontainingtheheavierisotope

tendtocondenseandfallasprecipitationslightly

soonerthanmoleculescontainingthelighterisotope.

（35）Hence,aswatervaporevaporatedfromwarmoceans

movesawayfromitssource.itsoxygen-18returns

morequicklytotheoceansthandoesitsoxygen-16.

Whatfallsassnowondistanticesheetsandmountain

glaciersisr