高一英语下册unit 19 reading

Unit 19,ModernAgriculture,modern agriculture,traditional agruiculture,It shows thousands of chickens sit in small cages inside a large building.,It shows a farmer is feeding the chickens. Chickens can walk freely in the yard.,Describe the photos.,It shows two bags of chemical fertilizer.,It shows a pile of animal shit.,It shows dry, poor land. The earth is so dry that nothing can grow there.,It shows a greenhouse, where plants grow in a building made of glass.,What other changes have taken place in the last 100 years?,Task 1 Fast reading,Q1: Whats the biggest problem to Chinese farmers?,Q2: What does GM mean?,The shortage of arable land.,“G” stands for “genetically”“M” stands for “modified”,Q3: What do new techniques mean?,It means to increase agricultural production without harming environment.,Task2: Careful reading,1.How much does arable land take up in China?2. What have Chinese farmers used to make their land produce more?3. How many research stations are now doing GM research?4. What is special about “golden rice”?,Task3: True or false,1. Although China is a large country, only 7% of the land can be used for farming.( )2. More advanced technical information was brought in in the 1970s. ( )3. Long before the early 1990s scientists started to develop new techniques without harming the environment.( )4. The biggest problem of Chinese farmers is water. ( ),Task2: Careful reading,1.How much does arable land take up in China?2. What have Chinese farmers used to make their land produce more?3. How many research stations are now doing GM research?4. What is special about “golden rice”?,seven percent,fertilization and irrigation,about 100 research stations,It will have vitamins and can grow in poor soil.,Task3: True or false,1. Although China is a large country, only 7% of the land can be used for farming.( )2. More advanced technical information was brought in in the 1970s. ( )3. From the late 1990s scientists started to develop new techniques without harming the environment.( )4. The biggest problem of Chinese farmers is water. ( ),T,F,F,F,1980s,early,shortage of arable land,Key words and main ideas,Main idea of each paragraph,Para 1 A: Since early 1990s scientists started to develop new environmental techniques.Para 2 B: Traditional agriculture in China only changed a little.Para3 C: Many farming techniques have been modernized.,Main idea of each paragraph,Para 4 D: Many other plants are genetically modified.Para 5 E: Greenhouses are used.Para 6 F: GM is used.,Whats the writers main purpose of writing this passage?,To tell us something about Chinese traditional agricultureB. To introduce new farming techniquesC. To tell us some information about modern agriculture D. To intr