2020年北师大版高中英语选修7课件：Unit21 Writing—A Discursive Essay

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1、,Unit 21 Human Biology,PART 1,技法点拨,PART 2,写作训练,WritingA Discursive Essay,PART 1,技法点拨,文体分析 把握写作动脉,正反观点类议论文与一般议论文的写法相同。一般包括以下三点： 1.在文章开头提出问题，即提出论点。问题的提出要开门见山，不要拖泥带水； 2.在议论时要有充分的论据，可以运用列举事实、展示数据、提供实例等方法； 3.在结论部分发表自己的观点。观点必须鲜明，不能模棱两可。 正反观点类议论文的写作一般分为四步： 第一步：介绍话题； 第二步：从正方角度论证； 第三步：从反方角度论证； 第四步：阐述表明自己的观点。

2、,1.We have a discussion about. 2.We have had a survey on. 3.Opinions are divided on the question. 4.Opinions are mainly divided into two groups. 5.Others have different opinions. 6.first/firstly，second/secondly，third/thirdly，finally，then，next，in addition，furthermore， besides，whats more. 7.People hol

3、d different views/ideas about.,8.As for me，I agree to the former/latter idea. 9.Its well known that/Some people think that/It seems obvious that. 10.In my view，as far as I know，in conclusion，in short，at last，in other words.,PART 2,写作训练,弄清文络 写作妙笔生花,人们对于学生网上交友持不同意见。请你用英语写一篇关于学生网上交友的短文，介绍人们的不同观点，并表达自己的

4、看法。,注意： 1.词数100左右； 2.文章必须包括表中的全部内容。,审题 写作要求是论述网上交友正确与否。写作时应注意下面几点： 1.确定文体：这是一篇正反观点类议论文，写作中应注意正反观点类议论文的常规格式。 2.主体时态：文章应以一般现在时为主。 3.主体人称：由于是论述网上交友正确与否，所以人称应该以第三人称为主。,谋篇 第一段：提出文章主题；说明赞成网上交友的理由； 第二段：说明反对网上交友的理由； 第三段：表明自己的观点。,必备词汇 1.更重要的是 _ 2.网上聊天 _ 3.表达某人的情感态度 _ 4.浪费时间 _ 5.受骗 _ 6.至于 _,查看答案,whats more,ch

5、at online,express ones feelings and opinions,a waste of time,get cheated,as for,关键句式 1.学生们在网上聊天，可以广交朋友。 If the students chat online，they can make more friends. 2.学生们在网上聊天，可以更自由地抒发自己的情感和发表自己的看法。 If the students chat online，they can more freely express their feelings and opinions. 3.网上交友是在浪费时间。 Making

6、 friends online is a waste of time. 4.应该把这段时间更有意义地用在学习上。 The time should be spent more meaningfully on study.,5.学生们应该把学习、健康和安全放在首位。 Students should place their study，health and safety before other things. 6.这就是我的观点。 This is my opinion.,句式升级 1.请把第一、二句话按下面括号内的提示合成一句话。 (1) .(if条件句) (2) (现在分词短语作状语),查看答案

7、,If they chat online，students can make more friends and more freely express their feelings and opinions.,Chatting online，students can make more friends and more freely express their feelings and opinions.,2.请把第三、四句话按下面括号内的提示合成一句话。 (1) (并列句) (2) (非限制性定语从句) 3.请把第五、六句话按下面括号内的提示合成一句话。 (1) (简单句) (2) (主语从

8、句),查看答案,Making friends online is a waste of time and the time should be spent more meaningfully on study.,Making friends online is a waste of time，which should be spent more meaningfully on study.,In my opinion，students should place their study，health and safety before other things.,It is my opinion

9、 that students should place their study，health and safety before other things.,用适当的过渡词语，把以上词汇和句式，再加上联想内容，组成一篇100词左右的英语短文。,查看答案,参考范文,Should students make friends online? Some people say yes.They think the Internet helps them make more friends.Whats more，chatting online，students can more freely expres

10、s their feelings and opinions，and even get help with their foreign language studies.,Others，however，think students should not make friends online.They say making friends online is a waste of time，which should be spent more meaningfully on study.Besides，some students may get cheated online. It is my opinion that students should place their study，health and safety before other things.As for friendship，we can readily find it among our classmates and other people around us.,查看答案,