unit9warminglisteningNew课件
日期:2010-06-05 06:46
trytouselessandrecycleasmuchwateraspossibleWecanreducetheamountofgarbage/rubbishbyproducingandbuyingproductsthatuselesspackagingorwrappingWeshouldneverthrowgarbageinthestreetsorinnatureWeshouldalsotrytorecycleasmuchaspossibleWhatcanwedo?rubbishbox××basketcleanWastefromfactoriesandcarsshouldbestoppedWecanreduceairpollutionbyusingnewtechnologiesandusinglessenergyTheharmfulsmokeshouldbemadeharmlessbeforeitgoesintotheairMoretreesshouldalsobeplantedWhatcanwedo?↖↘↙↗solarenergyStarvationismainlycausedbytheunevendistributionofwealthandsometimesbywarornaturaldisastersWecanreducestarvationbyredistributingthewealthofrichcountries,Unit9SavingtheearthWarmingupHelpWaterpollutiongarbageAirpollutionstarvationWhichproblemdoyouthinkisthebiggestproblemfacingtheearth?Whydoyouthinkso?2Whatcanwedotosolvetheproblem?WastefromfactoriesandcitiesshouldbestoppedWecanusenewtechnologiestodealwiththewastewaterWeshouldalsobemorecarefulwithourwater,byprovidingeducationandtechnologytodev,
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