（新教材）2021-2022学年人教版英语选择性必修第一册课件：UNIT 5　WORKING THE LAND PERIOD 5 .ppt

1、Period 5Using Language()写作培优课写作素养提升关于农业的说服性文章(A persuasive essay on farming)【写作指导】话题阐释 本单元就chemical agriculture or organic agriculture(化学农业还是有机农业)话题,通过议论或说理来表达作者的见解和主张,使读者同意自己的看法,属于说服性话题写作,在高考书面表达中考查频度较高,通常为议论文。文体概述发表议论时,我们要注意三个要素:1.论点:中心论点的鲜明性(一般在开头提出);唯一性(不能像墙头草一样)。2.论据:论据要真实可信;具有典型性;尽量新颖。3.论证过程:通

2、过论证证明论据和论点之间的内在逻辑关系,将论据和论点融为一体。框架构建 开头:介绍农业发展概况和有机农业的出现。Nowadays more and more people./.plays an important role in.展开论述:分层次介绍化学农业和有机农业的比较以及有机农业的优势。Firstly.,Secondly.,In addition/Whats more/Moreover./Every coin has two sides.结尾:总结观点,提出建议。Through above analysis/All things considered,we can see./Theref

3、ore.【典题示例】关于有机农业和化学农业,你们班举行了一场辩论。请结合你们的讨论结果,写一篇支持有机农业的英语作文,词数不低于80。注意要点:1.化学农业的危害;2.有机农业的优点和理由;3.讨论的结果和大家的期待。Step 1谋篇立意体裁:议论文Tips本文可以分为三个部分:第一部分:引出话题及观点,支持有机农业。第二部分:1.化学农业的缺点;2.有机农业的优点。第三部分:重申主题。时态:现在时为主,兼顾过去、将来时人称:第一、三人称Step 2语言支架1.化学农业和有机农业在现代农业中起着重要的作用,关于这一点,我赞成有机农业。_ 在中起重要作用be in favour of _用非限制

4、性定语从句翻译句子:_play an important part/role in支持;赞成Chemical agriculture and organic agriculture play an important part/role inmodern agriculture,about which I am in favour of organic agriculture.2.留在作物里的化学物质会导致癌症或其他疾病。stay inside the crops_lead to _用动词-ing形式翻译句子:_ 残存在作物里导致The chemicals staying inside the

5、 crops can lead to cancer or other illnesses.3.此外,这些蔬菜长得很快,几乎没有营养。besides _ 如此以至于翻译句子:_ 除此以外so.that.Besides,the vegetables grow so fast that they contain little nutrition.Step 3润色成篇Chemical agriculture and organic agriculture play an important part in modern agriculture,about which I am in favour of

6、 organic agriculture.It is obvious that using chemical fertilisers has many disadvantages.The chemicals staying inside the crops can lead to cancer or other illnesses.Besides,the vegetables grow so fast that they contain little nutrition.Organic food is becoming increasingly popular with customers.T

7、here are many reasons for this.The first reason is that as people are richer,they attach great importance to health.Secondly,organic produce simply uses natural fertilisers,making vegetables and fruit tasty and nutritive.Moreover,the produce grows in clean water and is free of pesticides,which is be

8、neficial to our health.As a saying goes,health is the first wealth,so it is wiser to choose organic food.【善积累获新知】话题词汇识记1.学科词汇:abundance(丰富;充裕),atmosphere(大气;气氛;空气),chemical(化学的),disaster(灾 难),ecological(生 态 的;生 态 学 的),ecosystem(生 态 系 统),environmental(环境的),pesticide(杀虫剂),pollutant(污染物)2.行为词汇:absorb(吸

9、收;吸引的注意),accumulate(积聚;累加;堆积),balance(使平衡;使相称),endangered(有生命危险的;濒临灭绝的),poison(毒害;使恶化),pollute(污染),purify(使净化),recycle(使再循环;重新利用),restore(恢复;归还;翻新),shortage(不足,缺少),treatment(治疗;疗法;处理)3.实用短语:acid rain(酸雨),die out(消失,灭绝),natural resource(自然资源),take stronger and harsher measures(采取强有力的措施),computer monitoring system(电脑监控系统),be in short supply(供应不足),water resource conservation(水资源保护),water resource shortage(水资源短缺),drinking water(饮用水),at risk(有危险),water and soil conservation(水土保持),global warming(全球变暖),greenhouse effect(温室效应)本课结束