Unit10Warmingup课件
日期：2010-12-27 12:42
000，ListeningandSpeakingTask1:WarmingupWhenpeoplecutdowntrees，Unit10 TheworldaroundusWarmingup，thelargestnumberinayearinthelast65millionyearsIfnothingisdone，wemayfindourselvesaloneonthisplanetTask2:Listeningairwaterwastecars，uptoahundredspeciesbecomeextincteverydayScientistssaythatthetotalnumberofspecieslosteachyearmayreach40，tigerscannolongerhideandhuntManytigersarekilledbypeoplewhowanttoselltheirfurandusetheirbonesformedicineTibetanantelopeTherearefewareasleftwherepandascanliveCanyoutellwhytheyareindanger?1Peoplehavekilledorhuntedtoomanyofthem2Thehabitatisdestroyedorchanged3Newspeciesarrive4Aspeciesisoverhunted5Adiseasespreads6Somepollutionleadtothedeathofthem7Theweatherhaschanged8Thereisnograssontheground9Theriver/sea/oceanhasbeenpolluted…Actually，factories，burningcoalandoilfactoriesanddrainagetourists(people)It’sbadforourhealthItwillcausethedeathofanimalsandplantsWecan’tuseordrinkthewaterthatispollutedMakingtheenvironment，
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