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

Using language Reading for writing 5 yuan / kg Normal tomatoes Organic tomatoes 30 yuan / kg Predication 1.What is the farmer doing in the picture? Why? 2.What is the farmer wearing? Why? Spraying chemical pesticides on the crops. v.喷洒 n.杀虫剂 Wearing a mask and hat. It may harm people’s health. Unit 5 Working the Land Using Language Chemical Versus Organic Farming 1. What is chemical farming? What is organic farming? Chemical Versus Organic Farming Read for title and type Organic farming is simply farming _________________. Chemical farming is farming with _________ , especially _________ _________ and _______________ while 2. What type of writing is this passage? A. Description B. Expository C. Argumentation D. Narration chemicals chemical pesticides artificial fertilizers without chemicals Para.1 Para.3 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