unit13教材课件
日期：2010-01-15 01:36
ananimaleatsonekindandiseatenbyanotherkindTTTTFChoosethebestanswer:1What’sthegeneralideaofthistext?_____AWhilethesettlersmovedwestwards，Lesson50TheBisononthePlainsofAmerica二，Trueorfalsequestions:()1Thefirstsettlersontheplainswerefarmers()2TherewerewildhorsesinAmericabeforetheSpanisharrivedFF一，Questions:1InwhatwaysdidthesettlerstreattheNativeAmericansunfairly?2Whatcausedabigchangeinthewildlifeontheplains?()3NativeAmericansusedtohuntthebisonbeforetheyhadhorses()4NativeAmericanswillinglygaveuplandtothesettlers()5Thesettlersdidn’tdealhonestlywiththeNativeAmericans()6SettlersendedupwithbetterlandthantheNativeAmericans()7Inafoodchain，theirkillingofgreatnumbersofbisondestroyedtheNativeAmericans’lifeaswellasthebalanceoftheplainsofAmericaBThebisonontheplainsofAmericalivedapoorlifeCThestrugglesbetweenthesettlersandtheNativeAmericanswerefierceDSettlersruinedNat，
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