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,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Welcome to my class!,Unit 19,Modern Agriculture,Home,Lead-in,Warming-up,Group work,Speaking,Thinking,Summary&,Homework,Quiz:,What has to be broken before it can be used?,an egg,Quiz:,What kind of room has no windows or doors?,mushroom,Quiz:,what kind of dog doesnt bite(,咬人,)or bark(,叫,)?,hot dog,Quiz:,Take off my skin,I wont cry.But you will.What am I?,an onion,biscuit,chocolate,ice cream,hamburger,Unit 19 Modern Agriculture,Warming up,Q:If three million pigs,sheep and cattle were raised during the years from 1986 to 1990,how many were raised from 1991-1995?,(Growth of major farm products 1991-95 compared with 1986-90 percentage),about(3+3x75,%)million,Q:What grew most during the years of 1991-95?,Q:How much did it grow?,(,),Warming up,2.What do you think caused the changes in agricultural produce?(give examples),3.What effects do you think the changes in eating,habits will have on nature?(give examples),1.How are peoples eating habits changing over the years?Why does this happen?,How can we,develop,agriculture to meet the change of peoples eating habits,without destroying or damaging the environment?,Thinking,Greenhouse,Plants grow well in the house,.,the father of hybrid rice,Speaking,I want to give one of you a large piece of land.But I don,t know who will get it.So you should find as many good reasons as you can to persuade me to make a decision.Work in pairs or with your group members and write down your reasons.,Arice grower Btree grower,Cfish raiser Dpig raiser,Search the internet for the answer to the question,“,How can we develop agriculture to meet the change of people,s eating habits,without destroying or damaging the environment?,”,2.Preview the reading.,Summary&Homework,
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