【学霸笔记】34　UNIT 5　Period 6　课时学案 写作(Writing) 讲义 人教版高中 选择性必修一（学生版+教师版）

Period 6　 写作(Writing) 如何发表议论 一、文体特征 本单元要求写一篇关于农业发展的议论文。议论文通过议论或说理来表达作者的见解和主张。作者对某一问题持有某些看法，为了使读者同意自己的看法，列出若干理由，企图说服他人。 二、语言特色 [基本框架] 1．开头：阐述议论的问题并表明自己的观点。 2．主体：阐述自己支持观点的原因或者是另一方的观点及原因。 3．结尾：发表个人观点。 [教材原句] 1．Read the text and find out the sentences describing the problems of pesticides． ①For example， pesticides can damage the land by killing not only harmful bacteria and insects，but also helpful ones． ②In addition，these chemicals can stay in the soil and underground water sources for a long time． 2．Read the text and find out the sentences describing the problems of chemical fertilisers． As for chemical fertilisers，crops grown with them usually grow too fast to be rich in nutrition． 3．Read the text and find out the sentences describing how organic farmers produce rich soil． ①They often change the kind of crop grown in each field every year． ②Organic farmers also plant diverse crops that use different depths of soil to help keep it rich． [触类旁通] 1．Recently our class has had a debate about whether organic farming is good for us．Different students hold different opinions． 最近我们班就有机农业是否对我们有益展开了一场辩论。不同的学生持有不同的观点。 2．Opinions about organic farming vary from person to person．Some people are in favour of it while others are against it． 关于有机农业的看法因人而异。一些人赞成，而另一些人反对。 3．In terms of the development of modern agriculture，chemical farming and organic farming are two key words． 就现代农业的发展而言，化学农业和有机农业是两个关键词。 4．However，others are against it because it costs a great deal of money to develop organic farming． 然而，也有人反对，因为发展有机农业要花费大量的金钱。 5．As the old saying goes，everything has two sides．It has both advantages and disadvantages． 俗话说，凡事都有两面性。它既有优点，又有缺点。 6．All in all，I'm in favour of organic farming．I hope more and more farmers will switch to organic farming in the future． 总之，我赞成有机农业。我希望在未来会有越来越多的农民转向有机农业。 假定你是李华，最近你班将举行主题为“Chemical Farming or Organic Farming”的征文比赛。请用英语写一篇短文参赛，内容包括： 1．你的观点； 2．作出该选择的理由。 注意：1．词数80个左右； 2．可以适当增加细节，以使行文连贯。 [审题构思] [遣词造句] 1．我们应该尽自己所能来保护脆弱的环境。 We should do everything in our power to protect the delicate environment． 2．旨在使土壤肥沃，不含化肥的有机农业对自然环境无疑是友好的。 Intended to keep the soil rich，organic farming，which is free of chemical fertilisers，is undoubtedly friendly to the environment． 3．被诊断患有癌症的人数在上升，我们更要注意我们的食物。 The number of people diagnosed with cancer is on the rise and we are supposed to attach more attention to our food． 4．有机食物富含矿物质和维生素，它能确保我们摄入必要的营养，并且减少患潜在的严重疾病的 ... ...