Unit19Listeningandspeaking课件
日期：2012-03-05 19:19
poisonpestsdroughtdikeWhenfarminggoesagainstnature，Unit19Pleasetellyourpartner:raisecowsplantwheat/rice/corn/;fertilize/poisonpestsraisecattle/pigs/sheep/oxen/cowsgrowfruittrees;poisonpestsgrowvegetables;fertilize，_________________________________aretheresultTheearliestfarmers__________natureTheirwayofagricultureledto_________and_________Itisanoldtruththat__________shouldnot______________ThelandthatTanandXiaoZaoboughtwas________andcouldnotbeusedfor__________________________Insteadtheychangedthefieldsinto__________Ontheirfarmtheykept_________________andgrew__________allkindsofenvironmentalproblemsdestroyedfloodsdroughtsfarminggoagainstnaturetoowetfarming/growingwheat&cropsfishpondsfish/ducks/chickensfruittreesHowtousetheland?growricegrowsugarcaneraisepigsplanttreesHowarepeople’seatinghabitschangingovertheyears?Whydoyouthinkthishappens?1Peopleareearningmoremoney，sotheywanttobuyandeatmoremeat2Peoplelearnmoreabouthealthyfood，sotheywanttoeatmorefruit3Fruit-basedalcoholsuchaswineisbetterfor，
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