unit9savingtheearth高二英语新教材课件
日期:2010-06-03 06:16
Unit9earthairwatermostseriousproblemsTheareaofdesertisgrowingbacksmokefromfactories,powerstationsandcarsbackearthairwaterdamagestotheworldtoomanysheepandcattleallthegrassbeeatengrassnevergrowagain;thelandbecomedeserttreesbecutdownnothingtohold…soilbeblownawaysoilbewashedinto…thepowerstationinRussiain1986afactoryofBhopalinIndiain1984TheMediterraneanThestraitsofGibraltarthesinkingoiltankerinAlaskain1989Choosethebestanswers1Whichofthefollowingstatementsisnottrueaccordingtothepassage?AFarmersareincreasingthenumbersoftheircattleBFarmersarelimitingthenumbersoftheircattleCHeavyrainsandstrongwindsaredestroyingthevaluablesoilDFewertreesarelefttoholdthesoilinplaceonthehillside2Airpollutiondoesntcause_______AthedestroyingofforestsBthekillingoffishinlakesCillnessesandinjuriestopeopleDthespreadingofcloudsofradiation3WhatisthepossiblereasonwhytheMediterraneancan’tcleanitself?AOnequarteroftheshoresarepollutedB,
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