unit9课件
日期：2010-08-02 08:38
Unit9 SavingtheearthWarmingupWhatdoyouexpecttolearninthisunit?ThebeautifulearthisourhomeDoyoulovetolivehere?WaterpollutiongarbageAirpollutionstarvationIsitthebiggestproblemfacingtheearth?Whydoyouthinkso?Whatcausestheproblem?Whatcanwedotosolvetheproblem?Warmingup(Page65)TalkaboutthepicturesonebyoneWhatcausestheproblem?Helpwastefromcitieswastefromfactorieswhatcause(s)waterpollution?WastefromfactoriesandcitiesshouldbestoppedWecanusenewtechnologiestodealwiththewastewaterWeshouldalsobemorecarefulwithourwater，trytouselessandrecycleasmuchwateraspossiblesmokefromfactoriessmokefromcarsWhatcause(s)airpollution?Andwhat’stheresult?VietNamWarIraqWarPeoplemaysufferfromlungdiseasesandotherdiseasesaswellbecauseofpoorlivingconditionsSometimestheysufferfromstarvationbecauseofthewarWastefromfactoriesandcarsshouldbestoppedWecanreduceairpollutionbyusingnewtechnologiesandusinglessenergyTheharmfulsmokeshouldbemadeharmlessbeforeitgoesintotheairMoretreesshouldalsobeplantedWecanr，
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