2025年考研地质英语真题及答案

2025年考研地质英语真题及答案

一、单项选择题（每题2分，共10题）1.Whichofthefollowingisaprimarysedimentaryrock?A.GraniteB.BasaltC.LimestoneD.GneissAnswer:C2.Theprocessbywhichsolublerocksaredissolvedandcarriedawaybywaterisknownas:A.ErosionB.DepositionC.WeatheringD.MetamorphismAnswer:C3.Whatisthetermforthestudyofrocksandtheirformation?A.MineralogyB.PetrologyC.GeologyD.PaleontologyAnswer:B4.ThelayeroftheEarthbelowthecrustandabovethemantleisknownas:A.TheasthenosphereB.ThemesosphereC.ThelithosphereD.ThecoreAnswer:C5.WhichmineralhastheformulaSiO2?A.QuartzB.FeldsparC.MicaD.HematiteAnswer:A6.Theprocessofrockschangingduetoheatandpressureiscalled:A.IgneousactivityB.SedimentationC.MetamorphismD.ErosionAnswer:C7.ThestudyoffossilsandtheirrelationshiptothehistoryoflifeonEarthisknownas:A.StratigraphyB.PaleontologyC.GeochronologyD.GeochemistryAnswer:B8.TheboundarybetweentheEarth'scrustandthemantleisknownas:A.TheMohorovičićdiscontinuityB.TheGutenbergdiscontinuityC.TheWadati-BenioffzoneD.TheasthenosphereAnswer:A9.Whichofthefollowingisacharacteristicofmetamorphicrocks?A.LayeringB.IntrusionsC.FoliationD.FossilsAnswer:C10.Theprocessbywhichsedimentsarecompressedandlithifiedtoformsedimentaryrocksisknownas:A.ErosionB.DepositionC.CompactionD.MetamorphismAnswer:C二、多项选择题（每题2分，共10题）1.Whichofthefollowingaretypesofplateboundaries?A.ConvergentboundariesB.DivergentboundariesC.TransformboundariesD.VolcanicboundariesAnswer:A,B,C2.WhatarethemaincomponentsoftheEarth'scrust?A.SilicatemineralsB.OxidesC.CarbonatesD.SulfidesAnswer:A,B,C3.Whichofthefollowingareexamplesofigneousrocks?A.GraniteB.BasaltC.GneissD.DioriteAnswer:A,B,D4.Whatarethemaintypesofsedimentaryrocks?A.ClasticsedimentaryrocksB.ChemicalsedimentaryrocksC.OrganicsedimentaryrocksD.MetamorphicsedimentaryrocksAnswer:A,B,C5.Whichofthefollowingareprocessesthatcontributetoweathering?A.Freeze-thawweatheringB.ThermalweatheringC.ChemicalweatheringD.BiologicalweatheringAnswer:A,B,C,D6.WhatarethemainlayersoftheEarth'smantle?A.TheasthenosphereB.ThemesosphereC.ThelithosphereD.ThecoreAnswer:A,B7.Whichofthefollowingarepropertiesofminerals?A.CrystallinestructureB.DefinitechemicalcompositionC.SpecificgravityD.HardnessAnswer:A,B,D8.Whatarethemaintypesofmetamorphicrocks?A.GneissB.SchistC.MarbleD.QuartziteAnswer:A,B,C,D9.Whichofthefollowingaremethodsusedtodeterminetheageofrocks?A.RadiometricdatingB.StratigraphyC.FossilcorrelationD.MagnetostratigraphyAnswer:A,B,C,D10.Whatarethemainfactorsthatinfluencetheformationofsedimentaryrocks?A.ClimateB.TopographyC.VegetationD.SedimentsupplyAnswer:A,B,D三、判断题（每题2分，共10题）1.Igneousrocksareformedfromthecoolingandsolidificationofmagma.Answer:True2.Sedimentaryrocksarealwaysfoundinlayers.Answer:True3.Metamorphicrockscanonlyformfromigneousrocks.Answer:False4.TheEarth'scrustisthethickestundertheoceans.Answer:False5.Fossilsareonlyfoundinsedimentaryrocks.Answer:True6.Weatheringanderosionarethesameprocess.Answer:False7.Themantleissolidandrigid.Answer:False8.Mineralsarenaturallyoccurringinorganicsolidswithadefinitechemicalcompositionandcrystallinestructure.Answer:True9.Metamorphicrocksdonothaveanyfossils.Answer:True10.ThestudyoftheEarth'sstructureandcompositioniscalledgeology.Answer:True四、简答题（每题5分，共4题）1.Describethethreemaintypesofrocksandtheirformationprocesses.Answer:Thethreemaintypesofrocksareigneous,sedimentary,andmetamorphicrocks.Igneousrocksareformedfromthecoolingandsolidificationofmagmaorlava.Sedimentaryrocksareformedfromtheaccumulationandlithificationofsediments,whichcanbefragmentsofotherrocks,minerals,ororganicmatter.Metamorphicrocksareformedfromexistingrocksthataretransformedbyheat,pressure,andchemicalprocesses.2.Explaintheconceptofplatetectonicsanditssignificanceingeology.Answer:PlatetectonicsisthetheorythatdescribestheEarth'slithosphereasbeingdividedintoseveralplatesthatmoverelativetoeachother.Thismovementisresponsibleformanygeologicalphenomena,includingearthquakes,volcanicactivity,andtheformationofmountainranges.Platetectonicsexplainsthedistributionofearthquakesandvolcanoes,theformationofoceanictrenchesandmid-oceanridges,andthemovementofcontinents.3.DiscusstheroleoffossilsinunderstandingthehistoryoflifeonEarth.Answer:FossilsarethepreservedremainsortracesofancientorganismsandplayacrucialroleinunderstandingthehistoryoflifeonEarth.Theyprovideevidenceofpastlifeforms,helpindeterminingtherelativeageofrocks,andcontributetoourunderstandingofevolutionaryprocesses.Fossilscanalsobeusedtocorrelaterocklayersacrossdifferentgeographicareas,aidinginthereconstructionofancientenvironmentsandthestudyofpastclimatechanges.4.Explainthedifferencebetweenweatheringanderosion.Answer:Weatheringistheprocessbywhichrocksarebrokendownintosmallerpiecesoralteredinplaceduetophysical,chemical,orbiologicalfactors.Erosion,ontheotherhand,istheprocessbywhichweatheredmaterialsaretransportedawaybynaturalagentssuchaswater,wind,ice,orgravity.Weatheringoccursinsitu,whileerosioninvolvesthemovementofmaterials.五、讨论题（每题5分，共4题）1.DiscusstheimportanceofstudyingsedimentaryrocksinunderstandingEarth'shistory.Answer:StudyingsedimentaryrocksiscrucialinunderstandingEarth'shistorybecausetheyprovidearecordofpastenvironments,climates,andbiologicalevolution.Sedimentaryrocksoftencontainfossils,whichareessentialfordeterminingtherelativeageofrocklayersandreconstructingthehistoryoflife.Additionally,sedimentaryrockscanrevealinformationaboutpastsealevels,ancientriversystems,andenvironmentalchanges.Thestudyofsedimentaryrocksalsohelpsintheexplorationfornaturalresourcessuchasoil,gas,andcoal,whichareprimarilyfoundinsedimentarybasins.2.ExplainhowtheEarth'sinternalstructureisdeterminedanditssignificanceingeology.Answer:TheEarth'sinternalstructureisdeterminedthroughvariousmethods,includingseismicwavestudies,gravitymeasurements,andgeothermalsurveys.Seismicwaves,generatedbyearthquakes,travelthroughtheEarthandtheirbehavior(speedandpath)providesinformationaboutthedifferentlayersandtheirproperties.GravitymeasurementshelpindeterminingthedensitydistributionwithintheEarth,whilegeothermalsurveysprovidedataontemperaturevariations.UnderstandingtheEarth'sinternalstructureissignificantingeologyasithelpsinexplainingplatetectonics,seismicactivity,volcaniceruptions,andtheoveralldynamicsoftheEarth.Italsoaidsintheexplorationformineralresourcesandtheassessmentofnaturalhazards.3.Discusstheroleofmineralogyinunderstandinggeologicalprocesses.Answer:Mineralogyplaysavitalroleinunderstandinggeologicalprocessesasmineralsarethefundamentalbuildingblocksofrocks.Thestudyofmineralsprovidesinsightsintotheconditionsunderwhichrocksform,theprocessesthattransformrocks,andthechemicalcompositionoftheEarth.Mineralsexhibitawiderangeofphysicalandchemicalproperties,suchashardness,crystalform,andchemicalcomposition,whichcanbeusedtoidentifyandclassifythem.Bystudyingminerals,geologistscaninferthetemperature,pressure,andchemicalenvironmentduringrockformationanddeformation.Additionally,mineralogyhelpsinunderstandingthedistributionandoccurrence