19单元现代农业课件
日期：2010-07-23 07:45
Unit19ModernagricultureWarmingupListeningspeakingHomePairworkWarmingupListeningSpeakingGroupworkDiscussionSummaryExercisesPairwork---Wouldyoulike…?---Ilike…/Iliketo…eggplantspotatoestomatocarrotscabbageIfyouweregivensomeseeds，howwouldyouusethem?cucumbersgreenpeppercornsWarmingup1Whatdoyouthinkcausedthesechanges?2Whateffectsdoyouthinkthechangesineatinghabitswillhaveonagricultureornature?Listening1ListentothetapeThepassageyouheartalksabout()historyoffarming()farmersinAmerica()fishing()protectionofnature()farmersinChina()pigs()environmentalproblems()trees()dikes2Whichofthefollowingsentencesaretrue(T)andwhicharefalse(F)?InearlytimesfarmersinChinamovedaroundandburntforests()AllfarmersinSouthAmericaburnforeststocreatefarmland()Floodsanddroughtsaredisastersthatfarmerscannotstop()SomeofthelandinChinaistoowettogrowcrops()Fishfarmersdamagenature()3Listentothetapeandcompletethesentencesb，
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