Unit 5 Working the Land Using Language 导学案-2023-2024学年高中英语人教版（2019）选择性必修第一册

满分教学案 E1 Unit5 Working the Land-Chemical Versus Organic Farming? Using Language Motto: Develop ecological agriculture and improve ecological environment.发展生态农业,改善生态环境。 I. Learning aims 1. Know basic knowledge about chemical farming and organic farming. 2. Grasp the main idea and the content of the passage. II. Learning guidance and tests Learning guidance Tests 1. Lead-in 1. Have you ever been to the countryside? Do you know how to work on a farm? _ 2. Skimming Match the main ideas (A-D) below with the paragraphs. Para. 1-2 A . What organic farming is Para. 3 B. Why man-made chemicals are still used in farming Para. 4 C. Organic methods for producing rich soil Para. 5 D. The problems with chemical farming 3. Scanning Task 1 Finish the table according to the passage. Farming Benefit Problem Solution Chemical farming Organic farming Task 2 Read the whole text and choose the best answers. ( )1. Why did many farmers welcome the introduction of chemical farming? A. They can fight crop disease and increase production. B. They harm both the land and people’s health. C. They can help produce rich soil. D. They are not expensive. ( )2. What concerns many people about the use of pesticides? A. Pesticides can damage the land. B. Chemicals can stay in the soil for a long time. C. Pesticides can kill harmful bacteria and insects. D. Chemicals may make people ill and even cause cancer. ( )3. Why do organic farmers change the kind of crop grown in each field every few years? A. It helps put important minerals back into the ground. B. It can avoid damage to the environment. C. It can help increase output. D. The writer didn’t tell us. ( )4. Why can’t we stop the use of man made chemicals in agriculture entirely? A. Organic farming costs us a lot of money. B. Organic farming can meet people’s need. C. Chemical farming brought us huge profit. D. Chemical farming helps serve the need for food. 4. Discussion What is your opinion on chemical or organic farming? _ _ III. Consolidation L