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1、Unit 19,Modern agricultrue,Growth of major farm products 1991-95 compared with 1986-90 percentages,What caused these changes?,Life, money, population, healthy diet,Eating Habits,Agricultural Produce,Nature,What are the relations between them?,Eating habits affect the changes in agricultural produce,
2、 at the same time the development of agriculture has effects on nature.,Listening Part,Listen to the tape and then deal with the listening practices on your books.,The passage you hear talks about: ( ) history of farming ( ) farmers in America ( ) fishing ( ) trees ( ) protection of nature ( ) pigs
3、( ) dikes ( ) farmers in China ( ) environmental problems,Which of the following sentences are True( T ) and which are False( F )?,1.In early times farmers in China moved around and burnt forests.,T,2.All farmers in South America burn forests to create farmland.,3.Floods and droughts that farmers ca
4、nnot stop.,F,F,4. Some of the land in China is too wet to grow crops. 5. Fish farmers damage nature.,T,F,Complete the sentences by using your own words,When farming goes against nature,_ _ are the result. The earliest farmers _ nature.,environmental,problems,destroyed,Their way of agriculture led to
5、 _ and_ It is an old truth that _ should not _ . The land that Tan and Xiao,floods,droughts,farming,go against nature,Zao bought was _ and could not be used for _ . Instead they changed the fields into _ . On their farm they kept _ and grew _ .,fruit trees,fish/chicken/ducks,fishponds,farming,too wet,Use land wisely to keep the balance of nature,Land is our countrys most valuable resource.,
