modernagriculture课件
日期：2010-05-11 05:40
FishandMeatBPeopleeatmoreMeat，FishandFruitCPeopleeatmoreSugar，Canyounametheseplantsandanimals??cottongrainsoybeansilkwormpigsugarcanetobaccocowUnit19ModernAgriculture1Howarepeople’seatinghabitschangingovertheyears?APeopleeatmoreSugar，FishandOilDpeopleeatmoreSugar，FishandFruit??????????????????????????3Whateffectsdoyouthinkthechangesineatinghabitswillhaveonagricultureornature?OnlygoodeffectsBOnlybadeffectsCHavenoeffectsDSomegoodeffectsandsomebadeffectsalsoBDCdroughtchemicaldikeListeningTrueorfalse?1InearlytimesfarmersinChinamovedaroundandburntforests()2AllfarmersinSouthAmericaburnforeststocreatefarmland()3Floodsanddroughtsaredisastersthatfarmerscannotstop()4SomeofthelandinChinaistoowettogrowcrops()5Fishfarmersdamagenature()Tick√ordrawa×()historyoffarming()farmersinAmerica()fishing()protectionofnature()farmersinChina()pigs()environmentalproblems()trees，
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