Unit19 book1 Modern Agriculture 新课标 人教版 课件VIP免费

Modern AgricultureModern Agriculture●Reading• The Lecturer: Look at the pictures, let’s learn the new words and expressions about reading.TASK 1revision and lead- inchemical fertilizerelectric pumpgreenhouseseedbedtractorcottonricegreen peppersoybeantobaccocorninsectkill insectswatermelonseedless watermelonGM watermelonQuestions:1. Are there any students coming from the countryside in our class?2. Have you ever worked in the fields?3. With whom did you work in the fields?4. Can you do a lot of farm work?5. Have you ever heard of anything about farming in the past?TASK 2 Pre-reading Look at the pictures and compare traditional and modern farming. In the first picture: *Some pieces of farm fields. In the second picture: *A farmer is ploughing the field with cattle.In the third picture: *Farmers are using a machine to work in the fields. What are the differences between traditional and modern farming? Traditional farmingModern farming cheap to own and to keepexpensive to buy and to useIt results in pollution.It does not pollute the air.animalsmachines In the past, farmers grow crops in the traditional way. Using cattle to plough the field. farmers work most of the day all year round, but they could not produce enough food for the whole population. At present, they use modern techniques in their fields to improve agricultural production such as chemical fertilizers, greenhouses and so on. Great changes have taken place in agriculture. TASK 3 Reading1.When was more advanced technical information was brought in from abroad?2.What is important for future agriculture? What should future agriculture depend on?3.What does “which” refer to in the last two lines?1.In the 1980s2.Both food production and taking care of th...