人教版高二英语unit9savingtheearth课件
日期：2010-12-27 12:40
Questions:1Whathashappenedtotheforest?2Whatmadethepeoplelosetheirhomes?What’shappeningtotheearthinthevideo?Choose“Y”or“N”waterpollutionglobalwarming(全球变暖)starvationwarairpollutionsandstorm(沙尘暴)desertificationdeforestationwastepollutionoverpopulationYYNYYYYYNNWaterpollutionItisestimatedthatoverpeople—aboutoftheworld’spopulation--don’thaveenoughsafedrinkingwater1billion1/5AirpollutionAirpollutioncausesdeathsintheworldeveryyearmorethan27millionStarvationAlmostPeopleintheworlddonothaveenoughtoeat800millon3Whatcanwedotosolvetheproblem?WaterpollutionAirpollutionWastepollutionDeforestationDesertificationStarvation1Whatisthebiggestproblemfacingtheearth?Whydoyouthinkso?2Whatcausestheproblem?YouaregoingtohearpartofaspeechonEarthDayListentothetapeanddothefollowingexercises1SheisgivingthisspeechtocelebrateEarthDay275%oftheearthiscoveredbyrivers，lakesandoceans3Iti，
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