Unit 5 Working the land Using Language 课件-2024-2025学年高中英语人教版（2019）选择性必修第一册

Unit 5 Evaluate chemical farming and organic farming Chemical Versus Organic Farming e7d195523061f1c0f0ec610a92cff745ee13794c7b8d98f8E73673273C9E8BE17CC3D63B9B1D6426C348A354AD505654C28F453CD7C8F90EADD06C08281DAED7140E5AAAED5880ECE414DFB6A93B82BE019406867034C3A8500A4827DCF3FBF74A471B736410707E336A01C9ADC9BE02ACCB8DF2121D81636A067B8AE80C6AB6F014154F4E7B7247 【1】Understand what chemical farming is and what is organic farming and its benefits and disadvantages; 【2】Analyze the structure and writing methods; 【3】Learn and use some useful expressions to express views on chemical farming or organic farming. Learning Aims 2 e7d195523061f1c0f0ec610a92cff745ee13794c7b8d98f8E73673273C9E8BE17CC3D63B9B1D6426C348A354AD505654C28F453CD7C8F90EADD06C08281DAED7140E5AAAED5880ECE414DFB6A93B82BE019406867034C3A8500A4827DCF3FBF74A471B736410707E336A01C9ADC9BE02ACCB8DF2121D81636A067B8AE80C6AB6F014154F4E7B7247 总结 What do you know about chemical farming ? What about organic farming ? 3 Read the first and third passage to find their definition. Chemical farming is farming using ___________ and _______________________ Organic farming is simply farming without _____________________________. According to the topic sentence of each paragraph and key words to match main ideas. Read the last paragraph and think about what the author's view about the two farming methods What's the writing purpose ? Appeal to people to pay more attention to food problem. World Hunger Problem Structure Para 1-2 Para 3-4 Para 5 化学耕种 有机耕种 总结 分 总 Benefit fight crop disease and increase productionuctio Problem sometimes harm both the land and people's health. Solution switch to organic farming Chemical Farming Benefit without using any chemicals through natural means Problem is nowhere near to meet the high demand for food Solution not mention Organic Farming A: Narration (记叙文) B: Argumentation (议论文) C: Exposition (说明文) D: Practical Writing(应用文) What's the writing style ? The writer develops the passage by A. giving examples B. making comparison C. making definition D. giving examples and making comparison 第一段：引出话题（论点） 第二段：给出论据（论证过程） Supporting Point 1 + Details Supporting Point 2 + Details Supporting Point 3 + Details 第三段：总结 单一观点 — 议论文的写作框架 Advantages of Organic Farming Compared to chemical farming, organic farming enjoys its overwhelming superiority. The reasons are as follows. First of all, organic food is healthier and safer as in organic farming, poisonous chemicals like pesticides are forbidden from being used on crops. Furthermore, organic farming is environmentally friendly. For instance, organic farmers use natural waste from animals as fertilizer, which is harmless to the environment. Last but not least, farmers can increase their income through organic farming. As people tend to pursue a green life, they are more likely to buy organic fruit and vegetables despite the high prices. With incomparable advantages, therefore, organic farming is expected to benefit more people in the future. Homework 2 1 Adapt Para.4-6 Hand in after checking e7d195523061f1c0f0ec610a92cff745ee13794c7b8d98f8E73673273C9E8BE17CC3D63B9B1D6426C348A354AD505654C28F453CD7C8F90EADD06C08281DAED7140E5AAAED5880ECE414DFB6A93B82BE019406867034C3A8500A4827DCF3FBF74A471B736410707E336A01C9ADC9BE02ACCB8DF2121D81636A067B8AE80C6AB6F014154F4E7B7247 22 Summary 2 1 General Idea Adaptation e7d195523061f1c0f0ec610a92cff745ee13794c7b8d98f8E73673273C9E8BE17CC3D63B9B1D6426C348A354AD505654C28F453CD7C8F90EADD06C08281DAED7140E5AAAED5880ECE414DFB6A93B82BE019406867034C3A8500A4827DCF3FBF74A471B736410707E336A01C9ADC9BE02ACCB8DF2121D81636A067B8AE80C6AB6F014154F4E7B7247 1 2 3 Structure Writing Methods Application 23 $$