Unit 5 Reading for writing 写作课件-2023-2024学年高中英语同步备课堂（人教版2019）（选择性必修第一册）

Unit 5 Using Language Reading for writing Chemical farming VS Organic farming 亮亮图文旗舰店https://liangliangtuwen.tmall.com 1 Which tomatoes do you prefer? Why? Chemical tomatoes Organic tomatoes Warming-up 1.What is the farmer doing in the picture? Spraying chemical pesticides on the crops. v.喷洒 n.杀虫剂 Wearing a mask and hat. 2.What is the farmer wearing? Why? It may harm people’s health. Chemical Versus Organic Farming Prediction 1. What is the text about? Chemical farming Organic farming (definition, benefit , problem... ) pictures title 2. What type of writing is it? A. Narration B. Exposition C. Argumentation What are the benefits and problems of chemical farming? Paragraph Main Idea Detail Benefits Problems Pesticides can kill helpful __________________ Some pesticides have been __________because of the ___________________. Crops grown with chemical fertilizers usually ___________to be full of __________. chemical farming 1-2 Chemical farming is farming with _________ , especially ______________ and __________________. Read for details 5 ______________________________________ (化学农药和人工肥料) have been in widespread use in farming since the middle of the 20th century. When they were first introduced, many farmers welcomed them as a great way to ____________ _____________________________ (抵御作物病害、增加产量). Over time, however, what some scientists have found is that _______________________________________________________________ (长期使用它们有时会危害土地和人类健康). Chemical pesticides and artificial fertilizers disease and increase production their long-term use can sometimes harm both the land and people’s health Para 1 CHEMICAL VERSUS ORGANIC FARMING fight crop Read for useful expressions Read for writing useful expressions For example, pesticides can damage the land by __________________________ ___________________________ (杀死有害细菌和昆虫的同时，也杀死有益的细菌和昆虫). In addition, these chemicals can stay in the soil and undergr