lesson50Bison课件
日期：2010-07-20 07:23
100kgliveinAmericatheplainsbisonthewoodbisontheEuropeanwisent(欧洲野牛）SaysomethingaboutNativeAmericans:NativeAmericans…fromAsia…livedbygathering…&hunting……trainedwildhorsestohunt…Bisonplayedanimportantpartintheirexistencemeat:foodfur:warmclothingskins:tentsandwatercontainersbones:needlesandtoolsteeth:necklacesInwhatwaysdidthesettlerstreattheNativeAmericansunfairly?…tookpossessionof…astheirown…forced……killed……broketheagreements……killedbison…(tosellskins;toforce…togivein)killbisonwastesoilbisongrassinsectsbirdswolvesDiagramcompletionTorFstatements:ThefirstsettlersontheplainswerefarmersTherewerewildhorseinAmericabeforetheSpanisharrived3NativeAmericanswillinglygaveuplandtothesettlers4ThesettlersdidnotdealhonestlywiththeNativeAmericans5SettlersendedupwithbetterlandthantheNativeAmericans6LatersettlersmadeuseofthebisoninthesamewayastheNativeAmericans7Inafoodchain，bisonashoulder-heightof15maweightof1，ananimaleatsonekind，
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