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

U5 Working the Land Evaluate chemical farming and organic farming Reading for Writing 1 1. chemical 2. flavor 3. fertilizer 4.nutrition 5.organic 6. pesticide 7. widespread 8. bacterium 9. in turn 10. digest 11. essential 12. mineral 1、adj. 化学的 2、n.味道 3、n.肥料 4、n.营养 5、adj.有机的 6、n. 杀虫剂 7、adj.普遍的 8、n.细菌（bacteria） 9、相应地，依次 10、v. 消化；领会n.摘要 11、adj.完全必要的；极其重要的 12、n.矿物质 Lead in What makes plants grow better? Chemical fertilizers Natural waste from animals 3 Chemical Farming Organic Farming （体育，法律上）对抗； （比较两种不同想法、选择等）与…相对，与…相比 化学耕作与有机耕作 Versus 1. Why did many farmers welcome the introduction of chemical farming? Many farmers welcomed them as a great way to fight crop diseases and increase production. 2. What concerns many people about the use of pesticides? Their long-term use can sometimes harm both the land and people’s health. Paragraph 1 3. What is one problem with the use of chemical fertilisers? Crops grown with them usually grow too fast to be rich in nutrition. Paragraph 2 4. How is organic farming different from chemical farming? Organic farming is simply farming without using any chemicals. Organic farmers focus on keeping their soil rich and free of diseases through natural means. Paragraph 3 5. Why do organic farmers change the kind of crop grown in a field every year? Different crops are grown because they put important minerals back into the ground, making it ready for the next batch of crops. Paragraph 4 6. What is the goal of using organic farming methods? The goal of using different organic farming methods is to grow good food while avoiding damage to the environment or to people’s health. Paragraph 4 A. What organic farming is B. Why man-made chemicals are still used in farming C. Organic methods for producing rich soil D. The problems with chemical farming Para. 1-2 Para. 3 Para. 4 Para. 5 extensive reading Title Text type: Exposition farming