3. Revision and Lead–in Eating Habits Agricultural Produce Agricultural Produce Nature What are the relations between them ? Eating habits affect the changes in agricultural produce, at the same time the development of agriculture has effects on nature.

4. Look at the pictures and classify traditional and modern farming, then compare these two ways. Pre-reading 更多资源 xiti123.taobao.com

5. ② ⑥

6. Traditional farming ( 12 3 4 ) Agriculture Modern farming (5 6 7 8)

8. Agriculture Techniques Traditional agriculture Modern agriculture Raising animals in small scalein large scale cheap, eggs and meat are tasty expensive, chickens are big and fat Advantages and disadvantages of traditional and modern agriculture.

10. Agriculture Techniques Traditional agriculture Modern agriculture Fertilisers natural (manure) chemical free, cheap, bad smell, difficult to transport expensive, no smell, easy to transport

12. Agriculture Techniques Traditional agriculture Modern agriculture Farming tools Animals Machines cheap, no pollution, need to rest expensive, air pollution, convenient, use longer

14. Agriculture Techniques Traditional agriculture Modern agriculture Climate control Open airGreenhouse controlled by weather and land condition expensive, but can be built where necessary

16. Q1: What ’ s the biggest problem to Chinese farmers? Q2: What does GM mean?GM The shortage of arable land. “ G ” stands for “ genetically ” “ M ” stands for “ modified ” (changed)

18. 1. In China only seven percent of the land is used for farming. This is _____. A. because farmers don’t need more land to produce food for the whole population B. because China needs more and more land to build cities C. because there are not enough farmers to work on the land D. because the other land cannot be used for agriculture Choose the best answer.

19. 2. Fertilisation is a technique that is used to ______. A. make poor soil better B. make wet land drier C. make dry land better D. grow vegetables with their roots in water instead of earth

20. 3. Modern agriculture means finding ways to _____. A. increase irrigation and stop using fertilisers B. stop irrigation and using fertilisers C. increase production and be friendly to the environment D. produce the same amount while taking better care of nature

21. 4. In the sentence “… they are protected from the wind, rain and insects ”, “ they ” means _____. A. greenhouses B. roots C. vegetables D. tomatoes

22. 5. In GM “ M ” stands for “ modified ”, which means “ changed ”. What changes is ______. A. the way in which poor soil is made better B. the way in which Chinese farmers work on their land C. the way in which crops develop from seed D. the way in which farmers take care of the environment

24. Divide the text into four parts. Part I Part II Part III Part IV (Para 1) A brief introduction to agriculture and arable land in China (Para 2) How to use advanced techniques to improve agricultural production (Para 3) Scientists started to develop new techniques to increase agricultural production without harming the environment (Para 4-6) Using the latest technologies to settle the problem with the shortage of arable land

25. Modern agriculture has developed through periods according to the text. What was mainly developed in each period ? Period 1 : More advanced technical information was brought in from abroad in the 1980s. Period 3 : Using the latest technologies to grow vege-tables, such as greenhouses, GM. Period 2 : Scientists started to develop new techniques to increase agricultural production without harming the environment from---

27. With the development of m________ agriculture, farmers are realizing more and more the importance of protecting nature. Since the early 1990s, scientists have been trying to develop new t________ to increase agricultural p_________ and protect the e_____________ at the same time. Some c________ can help to produce better crops but are very h_________to our environment. Some have a very good e__________on removing weeds but they damage crops at the same time. So new techniques should not only help increase production but also be f__________ to the environment. We should depend on high technology and t_____________ methods as well to develop our agriculture because food production and taking care of the environment are of the same i____________. odern echniques roduction nvironmenthemicals armful ffect riendly raditional mportance

28. Discussion How can we develop modern agriculture to meet the change of people's eating habits without destroying or damaging the environment? 1.Modern agriculture should not go against nature. 2.We can develop Eco-agriculture. 3. Use less chemical fertilizers, pesticide. 4. Protect the soil from being lost. Improve the soil conditions. 5. Grow different plants in different areas.

29. Home work Home work 1. The text doesn't have an ending, please imagine an ending for it. 2. Preview the language points in the text.

30. Genetically Modified (GM) food

31. cherry tomato

32. 含乙肝疫苗的转基因土豆 更多资源 xiti123.taobao.com

33. 转基因金稻