高二Unit16全套教学课件
日期：2010-12-07 12:22
Whatisthemovieabout?antelopeWhatotheranimalsareindanger?Whyaresomanyanimalsindanger?discussionTheBisonOnThePlainsOfAmericanskimmingMaininformationaboutthebison2Whathappenedtothebison?3Whatcausedthesituation?AtypeofcattlewhichoncelivedontheplainsofAmericainhugenumbersThepopulationofthebisonhavefallenfrom60milliontoafewhundredThekillingofthebisonbecamewidespreadaftertheEuropeansettlers’arrivalCarefulreadingTorF1()Thefirstsettlersarrivedmorethan30，000yearsagobywater2()Thefirstsettlerswerefarmers3()NativeAmericanslivedinharmonywithnature4()NativeAmericanswillinglygaveuplandtothesettlers5()Thesettlersdidn’tdealhonestlywiththenativeAmericans6()LatersettlersendedupwithbetterlandthanthenativeAmericans7()LatersettlersmadeuseofthebisoninthesamewayasthenativeAmericans8()ThesharpdecreaseofbisonhadaseriouseffectonthenaturebalanceontheplainsofAmericaFTTFTTFTCarefulreading，
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