GRE最新练习题10994.docx
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GRE最新练习题10994.docx
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GRE最新练习题10994
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)eye: 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. Eighttimeswithinthepastmillionyears,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 glaciers
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