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HYPERLINK"http://www.lisacool.com"美式英语发音HYPERLINK"http://www.lisacool.com"http://www.lisacool.com[考研]第1792阅读理解附答案Waterproblemsinthefuturewillbecomemoreintenseandmorecomplex.Ourincreasingpopulationwilltremendouslyincreaseurbanwastes,primarilysewage.Ontheotherhand,increasingdemandsforwaterwilldecreasesubstantiallytheamountofwateravailablefordilutingwastes.Rapidlyexpandingindustrieswhichinvolvemoreandmorecomplexchemicalprocesseswillproducelargevolumesofliquidwastes,andmanyofthesewillcontainchemicalswhicharepoisonous.Tofeedourrapidlyexpandingpopulation,agriculturewillhavetobeintensified.Thiswillinvolveever-increasingquantitiesofagriculturechemicals.Fromthis,itisapparentthatdrasticstepsmustbetakenimmediatelytodevelopcorrectivemeasuresforthepollutionproblem.Therearetwowaysbywhichthispollutionproblemcanbelessened.Thefirstrelatestothetreatmentofwastestodecreasetheirpollutionhazard.Thisinvolvestheprocessingofsolidwastes"priorto"disposalandthetreatmentofliquidwastes,oreffluents(废料),topermitthereuseofthewaterorbestreducepollutionuponfinaldisposal.Asecondapproachistodevelopaneconomicuseforallorapartofthewastes.Farmmanureisspreadinfieldsasanutrient(养料)ororganicsupplement.Effluentsfromsewagedisposalplantsareusedinsomeareasbothforirrigationandforthenutrientscontained.Effluentsfromotherprocessingplantsmayalsobeusedasasupplementalsourceofwater.Manyindustries,suchasmeatandpoultryprocessingplants,arecurrentlyconvertingformerwasteproductionintomarketablebyproducts.Otherindustrieshavepotentialeconomicusesfortheirwasteproducts.1.Thepurposeofthispassageis_______.A.towarnthereaderofthedwindlingwatersupplyB.toexplainindustrialusesofwaterC.toacquaintthereaderwithwaterpollutionproblemsD.todemonstratevariousmeasurestosolvethepollutionproblem2.Whichofthefollowingpointsisnotincludedinthepassage?A.Industrialdevelopmentincludesthesimplificationofcomplexchemicalprocesses.B.Dilutingwastesneedscertainamountofwater.C.Demandsforwaterwillgoupalongwiththeexpandingpopulation.D.I
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