Unit 5 Using Language Chemical versus organic farming+Assessing your progress 课件-2023-2024学年高二英语人教版（2019）选择性必修第一册

Chemical Versus 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 [ˈvɜːsəs] 化学耕作与有机耕作 Unit 5 Working the Land--Reading for Writing Learning Objectives 1. Clear the definitions of chemical and organic farming and try to explain them in your own language. 2. Describe the benefits, problems and solutions of different farming methods. What do you know about the two farming methods? chemical/conventional farming organic farming Organic Farming Prediction 1. What is the text about? Chemical farming Organic farming pictures title 2. What type of writing is it? A. Narration(记叙文) B. Exposition(说明文) C. Argumentation(议论文) chemical versus organic farming e7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579 Chemical farming is farming using _________________ and _________________ while organic farming is simply farming _________ using any chemicals. chemical pesticides artificial fertilisers without 6 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. Para.1 Reading-- Task1 3. What is one problem with the use of chemical fertilisers? Crops grown with them usually grow too fast to be rich in nutrition. Para.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. Para.3 5. Why do organic farmers change the