unit9Savingtheearth(warmingup)NSEFC课件
日期：2010-01-23 01:37
trytouselessandrecycleasmuchwateraspossibleWecanreducetheamountofgarbage/rubbishbyproducingandbuyingproductsthatuselesspackagingorwrappingWeshouldneverthrowgarbageinthestreetsorinnatureWeshouldalsotrytorecycleasmuchaspossible××WastefromfactoriesandcarsshouldbestoppedWecanreduceairpollutionbyusingnewtechnologiesandusinglessenergyTheharmfulsmokeshouldbemadeharmlessbeforeitgoesintotheairMoretreesshouldalsobeplantedsolarenergydeforestationOurneedforwoodandfuelcausedeforestation，Unit9 SavingtheearthWarmingupHelpIsitthebiggestproblemfacingtheearth?Whydoyouthinkso?Whatcausestheproblem?Whatcanwedotosolvetheproblem?Warmingup(Page65)TalkaboutthepicturesonebyoneWastefromfactoriesandcitiesshouldbestoppedWecanusenewtechnologiestodealwiththewastewaterWeshouldalsobemorecarefulwithourwater，whichinturnleadstodesertificationWeshouldmakestrictlawstoprotecttheforestsWecanreducetheeffectsofdeforestationbyplantingnewtreesandwecanalsotrytouselesswoodone-offIfourlandturnsin，
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