Unit+5+Using+Language+Writing+课件【高效备课精研+知识精讲提升】高中英语人教版（2019）选择性必修第一册.pptx

Evaluate chemical farming and organic farming 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[?v??s?s] 化学耕作与有机耕作 chemical versus organic farminge7d195523061f1c0c2b73831c94a3edc981f60e396d3e182073EE1468018468A7F192AE5E5CD515B6C3125F8AF6E4EE646174E8CF0B46FD19828DCE8CDA3B3A044A74F0E769C5FA8CB87AB6FC303C8BA3785FAC64AF5424764E128FECAE4CC72932BB65C8C121A0F41C1707D94688ED66335DC6AE12288BF2055523C0C26863D2CD4AC454A29EEC183CEF0375334B579 Chemical farming is farming using _________________ and _________________ while organic farming is simply farming _________ using any chemicals.chemical pesticidesartificial fertiliserswithout Read the passage, and then answer thequestions on page 56. 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 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 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.Para.4 6. What is the goal of using organic farming methods? Do you think it can be reached? Why or why not? The goal of using different organic farming methods is to grow good food while avoiding damage to the environment or to people’s health.Para.4 Read for the main ideasMatch the main ideas (A-D) below with the paragraphs.ParagraphMain idea1-2345BCADWhat organic far