第六课时Using language(Reading 2).pptVIP

Organic Farming Read and answer: What is the main idea of this passage? 1 Why are chemical fertilizers so popular in farming today? 2 What problems can be caused by using chemical fertilizers? 3 What is organic farming? 4 What is the main reason for using organic farming methods? 1 Why are chemical fertilizers so popular in farming today? 2 What problems can be caused by using chemical fertilizers? 3 What is organic farming? 4 What is the main reason for using organic farming methods? Find and write down the methods and advantages in the passage. Language points 1 These chemicals in the food supply build up in people’s bodies over time. build up ?增强; 建立；开发 Hard working conditions build up character. 艰苦的工作条件能磨练人的性格。 2 Many of these chemicals can lead to cancer or other illnesses. lead to: 导致；造成 Too much work and too little rest often lead to illness. ?过量的工作和过少的休息会引起疾病。 All roads lead to Rome.? 条条大道通罗马。 3 They focus on keeping their soil rich and free of disease. focus on:集中(注意力，精力等）于 You should focus your attention on your work.把注意力集中在你的工作上。 Olympus: Focus on life.奥林巴斯：瞄准生活。 4 This also keeps the air, soil, water and crops free from chemicals. keeps… free from /of: 使…免受（影 响，伤害登）；使不含（有害物） keep from: ?阻止; 妨碍 I hope you will keep from doing anything rash.? 我希望你不要做出任何鲁莽的事情来。  Listening The possible bad effects of chemical fertilizers on the fruit and vegetables that we eat today. Listen to the dialogue a second time. Decide if the following statements are true or false, according to the conversation. Give your reasons. Listening text BOY: So … if our fruit and vegetables were grown with chemical fertilizers, they might look healthy, but probably aren’t really healthy? I guess we’ve got to stop using so many chemical fertilizers to grow our food! Write a summary of the text following the procedure on page 15. * Words preview chemical produ