高一英语19单元课件
日期：2010-08-20 08:41
lunch&supperatpresenttime?2Whatcanwelearnfromthedifferencesbetweenthefoodinthepast&atpresenttime?Task3:Lookatthegraphonpage43&answerthefollowingquestions1Howarepeople’seatinghabitschangingovertheyears?Whydoyouthinkthishappens?2Howhasagriculturalproductchangedduringtheseyears?Whatdoyouthinkcausedthesechanges?3Whateffectsdoyouthinkthechangesineatinghabitswillhaveonagricultureornature?EXAMPLE:First，sheep&cattleSo，ChinesepeopleareeatingmoremeatNext，moregrassisneededtofeedmoresheep&cattleSo…Task4:Listening1)PrelisteningAgriculturedependson…?Question:Ifwechangedthestructureofagriculture，farmershavetoraisemorepigs，Unit19ModernagricultureTask1:BrainstormingWhatwillyouthinkofwhenyouseetheword“agriculture”?agricultureagriculturefarmirrigationfoodcropfieldplantsplainfarminggrainfarmerfertilizerseedprairieanimalwastelandarablelandmachineTask2:Discussion1Group1&2:Whatkindoffooddidweeatatbreakfast，lunch&supperinthepast?Group3&4:Whatkindoffooddoweeatatbreakfast，whatdoy，
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