2025年GRE语文语法强化卷

2025年GRE语文语法强化卷考试时间：______分钟总分：______分姓名：______Section1:Verbal1.Thediscoveryofpenicillinintheearly20thcenturyrevolutionizedmedicine,offeringapowerfulnewweaponagainstbacterialinfectionsthathadpreviouslybeen__________life-threatening.A)triviallyB)increasinglyC)invariablyD)previouslyE)fundamentallyF)superficially2.Despitefacingnumerous__________duringitsdevelopment,thespaceshuttleprogramultimatelyachievedsignificantmilestonesinhumanspaceexploration.A)vicissitudesB)amenitiesC)impedimentsD)embellishmentsE)fortificationsF)accommodations3.Herresearchprovidescompellingevidencethatsocialinteraction,eveninminimaldoses,canhaveaprofound__________oncognitivefunctionandemotionalwell-being.A)mitigationB)exacerbationC)deleteriousD)salutaryE)negligibleF)ephemeral4.Theoldlibrary,withitstoweringshelvesandmustyair,offereda__________escapefromthebustlingmodernworld,aplacewheretimeseemedtostandstill.A)poignantB)transientC)sereneD)ephemeralE)labyrinthineF)precipitous5.Selectthetwowordsthatbestfilltheblanksbelow.Thecompany'snewpolicy,whileintendedtoimproveefficiency,hashadthe__________effectofconfusingemployeesandslowingdownoverallproductivity.Itseemstohavebeencounter-__________toitsstatedgoals.A)deleterious..beneficialB)salutary..detrimentalC)ambiguous..obviatedD)mitigating..relevantE)synergistic..effective6.Theauthor'stonethroughouttheessayis__________,carefullyguidingthereaderthroughcomplexargumentswithouteverlosingsightofthecentralthesis.A)didacticB)cantankerousC)equivocalD)pedanticE)perspicuousF)labyrinthine7.Despitetheinitialskepticism,theinnovativeapproachultimately__________,leadingtoamarkedimprovementinprojectoutcomesandteammorale.A)precipitatedB)manifestedC)obviatedD)wanedE)materializedF)elucidated8.Theintricatetapestryofculturalinfluencesintheregionisatestamenttoitslonghistoryasa__________fortradeandexchange.A)purviewB)paradoxC)havenD)meltingpotE)stagnationF)impediment9.Thepolitician'sspeechwasnotableforits__________;hemanagedtoconveyacomplexmessagewithremarkableclarityandprecision.A)obfuscationB)eloquenceC)redundancyD)ambiguityE)jargonF)parsimony10.Selectthetwowordsthatbestfilltheblanksbelow.Theoldbridge,__________initsdesignandshowingsignsofseverewear,wasdeemedunsafeandscheduledfor__________.A)archaic..refurbishmentB)utilitarian..reconstructionC)elegant..disassemblyD)precarious..demolitionE)redundant..preservationSection2:Quantitative11.Ifxisapositiveintegerand27x+8isdivisibleby9,thenxmustbedivisiblebywhichofthefollowing?A)1B)2C)3D)4E)812.Inacertainsequence,thetermanisdefinedbytheformulaan=2n+3.Whatisthevalueofa10?A)13B)19C)23D)30E)4313.Arectanglehasaperimeterof30inchesandanareaof54squareinches.Whatisthelengthofitsshorterside,ininches?A)3B)4C)5D)6E)914.Iff(x)=x²-5x+6,whatisthevalueoff(3)?A)0B)3C)6D)9E)1215.Inarighttriangle,thelengthsofthetwolegsare8cmand15cm.Whatisthelengthofthehypotenuse,incm?A)7B)17C)23D)24E)2516.Abagcontains5redmarbles,4bluemarbles,and3greenmarbles.Iftwomarblesaredrawnatrandomwithoutreplacement,whatistheprobabilitythatbothmarblesarered?A)5/132B)5/33C)10/132D)25/132E)20/13217.Whichofthefollowingisequaltothevalueof(5²+5³)?A)5⁴B)5⁵C)6⁵D)10⁵E)3018.Atraintravelsataconstantspeedof60milesperhour.Howfar,inmiles,willittravelin3.5hours?A)20B)21C)35D)70E)21019.Iftheaverage(arithmeticmean)ofthreenumbersis12,andoneofthenumbersis8,whatisthesumoftheothertwonumbers?A)16B)20C)24D)28E)3220.Inthefigureabove,ifangleABCisarightangle,whatisthevalueofx?(Diagram:TriangleABCwithangleABCasarightangle,angleBAC=35degrees,sideAC=10,sideAB=x)A)5B)10C)15D)20E)25Section3:AnalyticalWriting21.Thefollowingappearedinamemofromthemarketingdirectorofalargecompany:"Toincreasemarketshareandprofitability,ourproductlinemustbesignificantlyexpanded.Wewillachievethisbyintroducingtenentirelynewmodelsoverthenextyear.Whilesomecustomerswillundoubtedlyappreciatethewiderselection,manyotherswillbeconfusedbytheincreasednumberofchoicesandwillultimatelybelesslikelytomakeapurchase.Therefore,ratherthanexpandingtheline,weshouldfocusonpromotingtheexistingmodelsmoreeffectively."Discusshowwellreasonedyoufindtheargument.Inmakingyourevaluation,considerthelineofreasoning,theevidenceprovided,andthepossibleassumptionsmade.---试卷答案1.B,C2.C,D3.D,E4.C,E5.A,D6.E,F7.E,F8.D,F9.B,F10.D,E11.C12.D13.D14.C15.E16.D17.B18.E19.B20.D21.(Theessayshouldaddressthefollowingpoints,amongothers:Theargumentassumesthatincreasedchoicewillinevitablyleadtocustomerconfusion.However,evidencesuggeststhatmanyconsumerswelcomevarietyandarecapableofnavigatingexpandedselections.Theargumentalsoassumesthatpromotingexistingmodelsistheonlyalternativetoexpandingthelineandthatitwillnecessarilyleadtoincreasedsales.Thisassumptionisnotsupported.Focusingsolelyonpromotionwithoutconsideringmarketdemandfornewproductscouldleadtostagnation.Theargumentreliesonanunfoundedcausallinkbetweenthenumberofmodelsandcustomerpurchasingbehavior.)解析1.空1:Thecontextindicatestheimpactofpenicillinwassignificantagainstpreviouslylife-threateninginfections."Increasingly"suggeststheinfectionsbecamemoredangerousovertime,whichdoesn'tfit."Inevitably,""previously,""fundamentally,"and"superficially"don'tfitthecontextoftheimpactofthediscovery."Trivially"istheoppositeoflife-threatening.Mitigationmeansmakingsomethinglesssevere.Salutarymeansbeneficialorpromotinghealth/well-being.Bothfitthecontextthatpenicillinoffereda*beneficial*weaponagainstlife-threateninginfections.BandCarecorrect.2.空2:Thecontextdescribeschallengesfacedduringthedevelopmentofthespaceshuttleprogram."Amenities,""embellishments,""fortifications,"and"accommodations"arepositiveorneutralwordsanddon'tfitthecontextoffacingdifficulties."Vicissitudes"referstochangesinfortune,ofteninvolvinghardship,whichfitsthecontextoffacingnumerouschallenges."Impediments"areobstaclesorhindrances,whichalsofitsthecontextoffacingdifficulties.BandCarecorrect.3.空3:Thecontextstatessocialinteractionhasaprofoundeffectoncognitivefunctionandemotionalwell-being."Deleterious"meansharmful,whichcontradictsthepositiveeffectmentioned."Transient,""ephemeral,"and"labyrinthine"don'trelatetotheeffectofinteraction."Equivocal"meansambiguous."Salutary"meansbeneficial."Negligible"meansunimportant.Theeffectdescribedispositive("profound").Salutaryfitswell.Negligiblecontrastswith"profound,"indicatingtheeffectissignificant,notminor.DandEarecorrect.4.空4:Thecontextdescribesthelibraryasanescapewheretimeseemstostandstill."Poignant,""transient,""ephemeral,"and"precipitous"don'tfitthisdescription."Labyrinthine"meanscomplexandconfusing,whichcoulddescribethelayoutbutdoesn'tfitthefeelingofescape."Serene"meanscalmandpeaceful,whichfitsthedescriptionofanescapefromthebustlingworldwheretimestandsstill.Labyrinthinecouldbeseenasfittingiftheescapeisthroughacomplexphysicalspace,but"serene"bettermatchestheoverallfeeling.CandEarethebestfitamongtheoptions,focusingontheatmosphereprovided.5.空5:Thefirstblankneedsaworddescribingtheeffectofthenewpolicyasnegativeorcounterproductive."Deleterious"(harmful)fits."Ambiguous"(unclear)doesn'tfitthenegativetone.Thesecondblankneedsawordmeaningtheoppositeofcounterproductive."Beneficial"(helpful)fits."Obviated"(madeunnecessary)doesn'tfit."Relevant"(connected)doesn'tfit."Synergistic"(workingtogetherwell)istheoppositeofcounterproductive.AandDarecorrect.6.空6:Thecontextdescribestheauthor'stoneasguidingthereadercarefullywithoutlosingsightofthecentralthesis."Didactic"meansintendedtoteach."Cantankerous"meansdisagreeable."Equivocal"meansambiguous."Pedantic"meansshowingoffknowledgeinanannoyingway."Perspicuous"meansclearandeasytounderstand."Labyrinthine"meanscomplexandconfusing.Thetoneisdescribedascarefulandclear.Perspicuousfitswell.Labyrinthinedescribesthecontentperhaps,butnotthetoneaimedforbytheauthor.EandFarecorrect.7.空7:Thecontextstatestheinnovativeapproachultimatelyledtoimprovement."Precipitated"meanscausedsuddenlyandunexpectedly,oftennegatively."Manifested"meansshownordisplayed."Obviated"meansmadeunnecessary."Waned"meansgraduallydecreased."Materialized"meansbecamerealorhappened."Elucidated"meansexplainedclearly.Theapproachledtoapositiveoutcome(improvement).Materializedfits,meaningtheapproachresultedintheimprovement.Elucidatedfits,meaningtheapproachmadetheprocessclear,leadingtoimprovement.EandFarecorrect.8.空8:Thecontextdescribestheregion'sculturalmixresultingfromtradeandexchange."Purview"meansareaofresponsibility."Paradox"meansastatementthatseemsself-contradictory."Haven"meansaplaceofsafety."Stagnation"meanslackofdevelopment."Impediment"meansobstacle."Meltingpot"isacommonmetaphorforaplacewheredifferentculturesmixandblend,fittingthecontextoftradeandexchange.Meltingpotfits."Stagnation"contradictstheideaofexchange.BandFarecorrect.9.空9:Thecontextpraisesthepolitician'sspeechforitsclarityandprecision."Obfuscation"meansmakingsomethingunclear."Redundancy"meanssayingthesamethingtwice."Ambiguity"meansunclear."Jargon"meansspecializedtechnicallanguage."Parsimony"meansfrugalityorlackofelaboration."Eloquence"meansfluent,forceful,andpersuasivespeech.Thespeechwasclearandprecise.Eloquencefits.Parsimonycouldimplyclaritybutlackofelaboration,whichisn'tnecessarilypraisedhere.BandFarecorrect.10.空10:Thefirstblankneedsaworddescribingthebridge'sdesignandcondition."Archaic"(old-fashioned)couldfit."Utilitarian"(pragmaticfunction)doesn'tfitdesigndescription."Elegant"(graceful)doesn'tfitthecondition."Precarious"(unstable)fitsthecondition."Redundant"(unnecessary)doesn'tfit."Archaic"and"Precarious"arepossibilities.Thesecondblankdescribesthefateofthebridge."Refurbishment"(repair)isunlikelygiventhecondition."Reconstruction"(buildinganewone)mightbepossiblebut"demolition"(pháhủy)fitsbetterwithseverewearandunsafety."Disassembly"(takingapart)doesn'tfit."Preservation"(protecting)doesn'tfit.Precariousfitsthecondition.Demolitionfitstheactiontaken.DandEarecorrect.11.Quant11:For27x+8tobedivisibleby9,thesumofitsdigitsmustbedivisibleby9.Thesumofthedigitsis2+7+x=9+x.Forthissumtobedivisibleby9,9+xmustbeamultipleof9.Thismeansxmustbe0.However,xisapositiveinteger,sothisconditioncannotbesatisfied.Let'schecktheoptions.Ifx=1,27(1)+8=35(notdivisibleby9).Ifx=2,27(2)+8=62(notdivisibleby9).Ifx=3,27(3)+8=89(notdivisibleby9).Ifx=4,27(4)+8=116(notdivisibleby9).Ifx=8,27(8)+8=220(notdivisibleby9).Sincenopositiveintegerxmakes27x+8divisibleby9,thecorrectanswerisA)1.(Assumingtheremightbeatypointhequestionoroptions,ifthequestionwas9x+8,thenx=1wouldwork.However,basedonthegivenoptions,1istheonlyonethatdoesn'tsatisfytheconditionfor*any*positiveintegerx).12.Quant12:Usingtheformulaan=2n+3,substituten=10:a10=2(10)+3=20+3=23.Thevalueis23.ThecorrectanswerisC)23.13.Quant13:LetthelengthbeLandthewidthbeW.Perimeter=2L+2W=30.Divideby2:L+W=15.Area=L*W=54.Wehavethesystem:L+W=15andL*W=54.FromL+W=15,W=15-L.Substituteintotheareaequation:L*(15-L)=54.15L-L²=54.L²-15L+54=0.Factorthequadratic:(L-6)(L-9)=0.So,L=6orL=9.Thelengthoftheshortersideis6.ThecorrectanswerisD)6.14.Quant14:Substitutex=3intothefunctionf(x)=x²-5x+6:f(3)=(3)²-5(3)+6=9-15+6=-6+6=0.Thevalueis0.ThecorrectanswerisA)0.15.Quant15:UsethePythagoreantheorem:a²+b²=c².Here,a=8,b=15,c=hypotenuse.8²+15²=c².64+225=c².289=c².c=√289=17.Thelengthofthehypotenuseis17cm.ThecorrectanswerisB)17.16.Quant16:Totalmarbles=5+4+3=12.Probabilityoffirstmarblered=5/12.Probabilityofsecondmarblered(givenfirstwasred)=4/11.Probability(bothred)=(5/12)*(4/11)=20/132.ThecorrectanswerisD)20/132.17.Quant17:Calculatethevalue:5²+5³=25+125=150.Nowchecktheoptions:5⁴=625.5⁵=3125.6⁵=7776.10⁵=100000.30=30.Thevalue150isequalto5⁵.ThecorrectanswerisB)5⁵.18.Quant18:Distance=Speed×Time.Speed=60milesperhour.Time=3.5hours.Distance=60*3.5=60*(7/2)=(60/2)*7=30*7=210miles.ThecorrectanswerisE)210.19.Quant19:Average=(Sumofnumbers)/(Numberofnumbers).12=(Sumofthreenumbers)/3.Sumofthreenumbers=12*3=36.Onenumberis8.Sumoftheothertwonumbers=36-8=28.ThecorrectanswerisD)28.20.Quant20:Inarighttriangle,thesumoftheothertwoanglesis90degrees.AngleBAC=35degrees.AngleACB=90degrees.AngleABC=x.So,35+x=90.x=90-35=55.Thevalueofxis55.However,