Unit5 Using Language 议论文课件-2022-2023学年高中英语人教版（2019）选择性必修第一册

Do you support Chemical Farming or Organic Farming? 利用自己手头所有资料，围绕该话题写出一篇不少于100词的议论文。 写作流程“5步走” 1. 确定作文类型，快速理解话题 下笔前思考清楚文体 2. 构思，列提纲 根据已知信息，确定自身立场 3. 确定写作段落，使用备用句型 篇章布局？（题目+）三/四段式 4. 动笔写作 5. 检查 Chemical Farming boosts productivity 提高生产率 boosts crop yield 提高农作物的产量 increases food supplies 增加食品供应 prevents food shortages 预防食品短缺 contains harmful chemicals 含有害的化学物质 fights crop diseases poses health risks to consumers 对消费者的健康构成威胁 poses a threat to bio-diversity Organic Farming focuses on sustainability 注重可持续性 has less detrimental effects on the environment 对环境的不利影响较小 helps to overcome the climate change crisis帮助克服气候变化危机 lowers the yields 降低产量 the farmers can sell their product at a higher price recycles waste and improves the soil structure回收废物并改善土壤结构 adj.→more environmentally friendly, chemical free, labor-intensive→jobs maintain the bio-diversity 维持生物多样性 2. 构思，列提纲 3. 谋篇布局——【题目】（看是否有要求自拟题目） 话题不等于题目！题目中需体现自身立场，而不是模棱两可的语句或单个词汇。拟好了便是点睛之笔，拟不好倒扣分。可全大写，或除虚词外的词首字母大写。 【×从题目开始剑走偏锋型】 “Organic food or Chemical food? ” 、“Organic fertilizer”、“Some Advantages of Chemical Farming” 【×模棱两可型】 “Chemical Farming and/or/versus Organic Farming (?)” 【×单个词汇型】 “Organic farming” 【√一边倒或折中式】 “Chemical Farming is More Appropriate” “Organic Farming is Preferable to Chemical Farming” “AN ALTERNATIVE TO CONVENTIONAL FARMING – ORGANIC FARMING” “OF/CF – the Best/Our Only/a Wise Choice” “Coordination Makes Differences” 谋篇布局——【三/四段式】 开头段：背景句+表明观点、阐述立场 主体部分： points+details(evidence, reasons, results, examples…) 论证观点 结尾：再次表明自己的观点，总结讨论的问题。 背景句 背景句的作用是引出题目中的观点，让开头显得很自然。应当抓住题目讨论的主题来写，描述或者概括与主题有关的事实即可。 It is said/reported that… It is very common that… ... has always been a problem/issue when it comes to… good examples In recent years, there is a tendency that organic food has become more and more popular. 润色→… organic produce appears to be gaining in popularity. Time has witnessed the increase of the proportion of chemical farming over 50 years, during which the advocates of organic farming never stop expanding.