优化课堂2012高一英语精品课件：UNIT3：SECTION Ⅳ WRITING（新人教版必修2）.ppt

1、Section Writing原句1I developed very slowly and it took nearly two hundred yearsbefore I was built as an analytical machine by Charles Babbage.我发展缓慢，差不到到了两百年之后，查尔斯巴贝奇才把我制造成了一台分析机。点评句型“It be/take时间段before.”表示“过了多久才”，从句的时态要随主句时态的变化而改变。仿写一周后一切才会恢复正常。(提示：恢复正常 return to normal)_过了很长一段时间我才了解到了真相。(提示：了解真相 ge

2、t to know the truth)_It will be/take a week before everything returns to normal.It was/took a long time before I got to know the truth.原句2And my memory became so large that even I couldnt believeit！我的储存量变得如此巨大，连我自己都不能相信。点评so/such.that.意为“如此以至于”，用来引导结果状语从句，so 修饰形容词或副词，such 修饰名词。仿写这部电影如此好，以至于我想再看一遍。_T

3、he film is so good that Id like to see it a second time.计算机对人们的影响本单元出现的相关词汇：computer(n.计算机),calculate(vt.计算),simplify(vt.简化),technology(n.工艺；科技；技术),technological(adj.科技的),revolution(n.革命),intelligence(n.智力；智能),intelligent(adj.智能的；聪明的),solve(vt.解决；解答),personal(adj.私人的；个人 的),from.on(从 时 起),network(n.网

4、 络),web(n.网),application(n.应用；用途),mobile(adj.可移动的),explore(vt.&vi.探索；探测；探究),human race(人类),download(vt.下载),virus(n.病 毒),type(n.类 型vt.&vi.打 字),with the help of(在的帮助下),electronic(adj.电子的),deal with(处理；安排；对付),a calculating machine(一台计算机器)本单元出现的相关句式：1 I developed very slowly and it took nearly.before I

5、wasbuilt as an analytical machine.我发展缓慢，差不多到了之后我才被制成了一台分析机。2 At that time it was considered a technological revolutionand the start of my“artificial intelligence”那时这被当作是一次技术革命，也是我“人工智能”的开始。3Over time.has developed so much that.随着时间的推移，发展得如此之快，以至于4I was able to share my knowledge with others through

6、theWorld Wide Web.我能够通过万维网和其他电脑分享我的知识。5 The 21st century will be the century of InformationTechnology.21 世纪将会是一个信息技术的世纪。随着科技的发展和社会的进步，计算机作为一种新兴产物，已经在人们的生活中发挥着越来越重要的作用。近几年的高考作文也开始在这个热点话题上进行命题，其内容主要有计算机的发展及应用、互联网的利弊、网络语言的使用、网上购物、玩电脑游戏的利弊等。由于该话题涉及的内容与人们的生活紧密相连，因此与话题相关的一些词汇对学生来说较为熟悉，学生也有话可说。The computer

7、 is the greatest invention of the 20th century.Ithas been developing so rapidly that it has greatly changed the waypeople live and work.The computer can calculate much faster than human beings and itcan store a great deal of information.As a result,it has been usedin various fields,such as industry,

8、agriculture and service.In recent years more and more attention has been paid to thecomputer in school education in our country.A lot of schools areequipped with computers and computer lessons are given tostudents.Besides,computer competitions are often held.As we can see,it is extremely important t

9、o learn thecomputer well.结构分析：本文按照“总分总”的顺序介绍了计算机的应用对人们生活的影响，并使用了 as a result,in recent years,besides 等使文章过渡自然。亮点点评：1各种时态和语态的运用，如现在完成进行时(句)、现在完成时的被动语态(句)及一般现在时的被动语态(如句)。2使用 so.that.句型，如句。3使用定语从句，如句。本话题属于热点话题，其命题点主要集中在对其利弊的讨论或对某种现象的看法。因此在写作时，学生应掌握一些有关利弊对比、赞成反对或发表看法的常用写作模板，使得文章结构严谨，有章可循。同时学生在日常学习和生活中也可

10、不断积累有关计算机方面的相关词汇，丰富自己的词汇量。必背词汇mouse(n.鼠标),keyboard(n.键盘),monitor(n.显示器),screen(n.显示屏),website(n.网站),chat-room(n.聊天室),click(v.点击),save(v.保存),insert(v.插入),delete(v.删除),move(v.移动),copy(v.复制),email(n.邮件),email address(邮箱地址),computer user(计算机用户),Internet buddy(网友),surf on theInternet(上网),shopping online(

11、网上购物),operate a computer(操 作 电 脑),have a great effect on(对产生很大的影响),make a great difference(起很大作用),change ones life(改变某人的生活),benefit from(得益于；从中获益),take the place of(代 替),be different from/differ from(与不同),play animportant role in(在某方面起重要作用),improve the quality oflife for humans(提高人类的生活质量)常用句式1It is.

12、for sb.to do.对某人来说做怎么样2 Some people are in favor of.holding that.一 些 人 赞成认为3However,others are against,saying/due to.Besides.然而，另一些人反对由于此外4Whats more.更有甚者5.have both advantages and disadvantages.On one hand.on the other hand.既有好处也有坏处。一方面另一方面6Obviously,it has some disadvantages,one of which is that.很

13、明显，它也有一些缺点，其中一个就是7 I firmly support the view that./As far as Im concerned,Ifully agree with.我坚决支持的观点。/就我而言，我完全同意8Personally speaking,Im strongly against the idea that./Tobe frank,I can not support the opinion.就个人来说，我强烈反对/坦率地说，我不支持结果观点赞成 62%足不出户，省时、方便可供选择的货物多，可以不费力气地进行比较不赞成 38%要花额外的送货(delivery)费用收货需要

14、等待较长时间，且很容易买到假货【小试牛刀】随着网络的普及，人们的购物方式也发生着变化。上周五，你班就“是否赞成在网上购物”进行了一次调查，结果如下表。请根据以下表格内容写一篇报道，介绍同学们对网上购物的观点。写作内容1调查的对象、时间和话题；2赞成方的比例及其观点；3反对方的比例及其观点。写作要求只能用 5 个句子表达全部内容。参考范文：Last Friday,a survey was carried out concerning the issue“whether you approve of shopping online”in our class.Accordingto the surv

15、ey,62%of the students are in favor of shopping online,holding that it is both convenient and time-saving because theydont really need to go out to shop.Besides,there are so manychoices for them that they are able to compare different itemseffortlessly.However,about 38%of the students are against the idea,due to the extra cost on delivery.Whats more,in some cases theyhave to wait a long time before they can get their goods and it iseasy for them to buy fake products online.