环境工程-考研英语复试专业问题

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1、1.EnvironmentalProblemsTheenvironmentisourphysicalsurroundings.Thisincludesbothhuman(man-made),socialandphysical(natural)features.Naturalfeaturesincludesoil,theatmosphere,vegetationandwildlife.Humanfeaturesincludehousing,transportandindustry.Socialfeaturesincludethingssuchasculture,languageandpo

2、liticalsystems.Geographersareconcernedabouthumanactionintheenvironment.Humaninterferencewiththeenvironmentcausesproblemssuchassoilerosion,globalwarmingandacid.Youmayaskhowweasindividualscanhaveanimpactontheenvironment.Ouractionscanhelptoincreaseanddecreasetheproblemshighlightedabove.Forexampletu

3、rningofflightsthatarenotbeingusedhelpstoreduceglobalwarming.Questions：1．Whatistheenvironment?2．Howcanwehelptodecreasetheglobalwarmingproblems?GlobalWarmingGlobalwarmingistheworldwidewarmingoftheatmosphere.Tounderstandglobalwarmingyoufirstneedtoknowaboutthegreenhouseeffect.Thegreenhouseeffectisan

4、aturalphenomenonthatcontrolsthebalanceofheatwithintheearth'satmosphere.Itistheprocesswherebythenaturallayerofgasesinouratmospheretrapasmallpercentageofthesun'sradiationreflectedfromtheearth'ssurface.Withoutthegreenhouseeffect,theaveragesurfacetemperaturewouldbeabout-18degreesCelsius.Globalwarmin

5、giscausedbytheincreasesintheamountofcarbondioxideandothergasesbeingreleasedintotheatmospherebytheburningoffossilfuels.Thesegasesaddtothenaturalgreenhouseeffect.Causingglobaltemperaturestorise.Questions：1.Whatisglobalwarming?2.Whatcausesglobalwarming?AtmosphericparticulatematterInrecentyears,ourc

6、ountryappearmuchhazeweather,whichisnowoftenreferredtoPM2.5.Specifically,PM2.5isintheatmosphereofdiameterlessthanorequalto2.5micronparticles,whichisalsoknownasentersthelungparticlematter.Itsdiameterislessthanthethicknessofahumanhair1/20.Atmosphericparticulatematter-alsoknownasparticulatesorpartic

7、ulatematter(PM)-aretinypiecesofsolidorliquidmatterassociatedwiththeEarth'satmosphere.Theyaresuspendedintheatmosphereas atmospheric aerosol,atermwhichreferstotheparticulate/airmixture,asopposedtotheparticulatematteralone.Howe