教案Unit4Topic3SectionC.doc

课 题Unit4 Topic 3 Section C执教者李小梅学习目标1. Knowledge aims： 掌握本课的重点词汇和短语，继续学习定语从句。2. Skill aims:能够通过1a的pre-reading 任务来预测1a的内容。能够借助1b的提纲复述1a的内容，并把这种提纲式的结构运用到写作中。能够快速找到段落的中心句、辨别论证句。3. Emotional aims: (optional)电脑和网络是个双刃剑，在利用它来服务于生活、学习的同时，不能沉溺于游戏游戏，并且要自觉远离不良信息的诱惑。教材分析重点掌握本课的重点词汇和短语，继续学习定语从句。难点 In space, computers have been used to control the speed and direction of a spaceship. Besides, not everything we read on the Internet is true or good for us. Computers help us at work and at home, but they must be used properly.教 法三疑三探学 法自学、合作、探究教具学具小黑板/图片/ppt等。教学过程一、设疑自探（10分钟）（一）创设情境，导入新课Encourage the Ss to exchange their HMK with their partners, and check the answers by themselves.T: Hi, class! Nice to see you again. In the last period, I asked you to make up five sentences. Have you done them?T: Fine. Then exchange your sentences with your partners and check the answers by yourselves. If you finish, put up your hand.T: Now, Ill choose some pairs to show your sentences. xxx and xxx, please.T: Another pair? （二）根据课题，提出问题 看到这个课题，你想知道什么？请提出来。（预设： What are the computers used for? ）同学们提的问题都很好（真好），大多都是我们本节应该学习的知识，老师将大家提出的问题归纳、整理、补充为下面的自探提示，希望能为大家本节的学习提供帮助。请看：（三）出示自探提示，组织学生自探。（6分钟）自探提示：Find out 1 Words and phrases: 2 Sentences:3 Answer the question:What are the computers used for? 4 Understand 1a二、解疑合探（15分钟）（一）.小组合探。1.小组内讨论解决自探中未解决的问题；2.教师出示展示与评价分工。问题1234展示1234评价5678（二）.全班合探。1.学生展示与评价；Words and phrases: doubt, tiny, inside, brain, cancel, connect, no doubt, normally, for instance, besides, properly, be useful in,with the help of, for example, keep sth/sb. doing, place orders, thanks to, come into being, instead of doing sth. Sentences: 1.There is no doubt that computers are very useful in technology and business. 2.For example, tiny computers which are inside patients bodies can keep their hearts beating normally. 3.In factories, robots are controlled by computers that are like human brains.What are the computers used for: 课本中的几个句子2.教师点拨或精讲。The whole world is connected.网络连接了全世界。 connect v. 连接 connection n. 关系，联系1.connect A with B 使A与B连接2.connect sth. (to sth.) 使电、气、水等接通3.connect sb./sth. (with sb./sth.) 与有联系，把联系起来三、质疑再探：（3分钟）1.现在，我们已经解决了自探问题。下面我们再回看一下，开始我们提出的问题还有那些没有解决？2.本节的知识已经学完，对于本节的学习，谁还有什么问题或不明白的地方？请提出来,大家一起来解决.四、运用拓展（17分钟）（一） 根据本节学习内容，学生自编习题，交流解答。请你来当小老师，编一道题，考考大家（同桌）！（二） 根据学生自编习题的练习情况，教师有选择的出示下面习题供学生练习。为了巩固本节知识，加强知识的运用拓展，老师也给大家设计了一些习题，检测一下大家对本节知识的掌握与运用情况。请看：用properly, besides, brought, get, enough填空 Computers have improved our lives, but they have _problems, too. For instance, if we work on computers too long, we may _ headaches or sore eyes. If we play computer games too much, we wont have _ time to study or exercise. _ , not everything we read on the Internet is true or good for us. Computers help us at work and at home, but they must be used _. （三）全课总结1.学生谈学习收获。通过这节课的学习，你都有哪些收获？谈一谈.2.学科班长评价本节课活动情况。（四）作业设计Memorize the useful expressions and key sentences which we learned today.Finish Section C in your workbook.Review Sections A-C.板书设计China is the third nation that sent a person into space.Section CWords and phrases：doubt tinybrain cancelin+side=insidenormal+ly=normallyentertain+ment=entertainmentwork+place=workplaceproper+ly=properlyfor instance=for exampleGrammar：attributive clause :关系代词做主语（不能省略）关系代词做宾语（常省略）Sentences：There is no doubt that computers are very useful in technology and business.For example, tiny computers which are inside patients bodies can keep their hearts beating normally.In