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1、Unit 4 Amazing ScienceTopic1 SectionD The main activities are 1a and 3. 本课重点活动是1a和3。. Teaching aims and demands 教学目标1. Learn new words and phrases:turn on, connect to, screen, click on, reply, search2. Summarize the grammar: verb+object+complement3. Review the uses of computers. 4. Learn how to send
2、 and receive an e-mail. . Teaching aids 教具打印的电子邮件页面图片/中英文按钮卡/录音机/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:5分钟)引导学生用自己的话表述电脑的用途，复习Section C。T:Boys and girls, we have learned something about computers last period. Please say something about the computers uses. S1: Computers have be
3、come very important in many areas of work and leisure.S2: Computers are widely used by people in business and technology. S3: Computers control the speed and direction of a spaceships flight.T:Very good. Any more?S4: With the help of computers, doctors can find diseases easily and solve other proble
4、ms. S5: T:Nice work. In this lesson, lets go on talking about computers.Step 2 Presentation 第二步 呈现(时间:15分钟)继续谈论有关电脑的话题，导入新课内容，教学生词，呈现1a。1. (师生互动，激发学生兴趣，导入新课。)T: Boys and girls, we have talked something about computers just now. Do you like playing computers in your spare time?Ss: Of course. T:What d
5、o you usually do on line? Can you tell me?S1: Play computer games. S2: Search for some information or read news. S3: Make friends.T: Good. Computers are playing an important role in our daily life. We all know that computers help people do a lot of things in many areas. For example, you can communic
6、ate with your friends by sending e-mails. Do you know how to send and receive e-mails by computer?Ss: Yes./No.T:OK, lets learn how to send and receive e-mails. 2. (出示打印的电子邮件页面图片，有网络的学校可以用联机的电脑直接演示。) T: Boys and girls, look at this picture/ computer. Ill show you how to send an e-mail. (教师边用图片或网络操作，边
7、用英文慢速讲解两遍，让学生借助图标上的中文，学习发送电子邮件的步骤。)T: Of course, we should turn on our computers and connect to the Internet. Then open the e-mail program. You can see a picture of an envelope. Click on that, and a box will appear on your screen. OK, lets know the buttons. First, this button写信 means writing a lette
8、r. Click here, another box will appear and then click on 收件人 . It means the receivers e-mail address. The third step is to click on 主题, which means subject. Type the title of your e-mail. The fourth step is to write your e-mail in this big and empty box on your screen. The last step is to click on 发
9、送 , which means sending. Now, do you understand? Can anybody send an e-mail now? Once again S4, please! Think it over and try it, please.S4: OK, let me have a try.(让学生演示一遍，确保学生掌握发邮件的具体步骤。教师板书生词并要求学生理解envelope，掌握turn on, connect to, click on, screen。)turn onconnect toenvelopeclick onscreen3. (熟悉中英文按钮
10、。)(调出课件画面，或换空白板用磁条贴上中文按钮卡，然后再出示英文按钮卡。)T:Boys and girls, lets play a game. When I touch the button in Chinese, you must say it in English. If I touch the button in English, you should read it out quickly. OK? Ss: OK. (此环节也可找个别同学去操作。)4. (听1a录音并复述发送电子邮件的过程。)T: Listen to the tape carefully and try to re
11、tell how to send an e-mail. 5. (小组讨论如何收e-mail。)T: We have known how to send an e-mail. Let me show you how to receive an e-mail. Its very easy. If you have a new e-mail message, click on “Inbox” and click on the one you want to read. After you finish reading it, you can check on “Reply” to answer th
12、e message.(板书，要求学生了解inbox；掌握reply。)inbox, replyStep 3 Consolidation 第三步 巩固(时间:10分钟)巩固1a，要求学生用英语表达如何收发电子邮件，鼓励学生学以致用，完成1b。1. (双人活动，自读1a，并尝试用英文叙述收发电子邮件的步骤。)T: Boys and girls, can you send and receive an e-mail? And can you tell others how to do it in English? Show every step to your partner in English.
13、 Tell him / her how to send or receive an e-mail. 2. (让学生读1b，按正确的顺序排列已被打乱的发送电子邮件的步骤，让学生熟练掌握其程序。完成1b。)(核对答案。) Step 4 Practice 第四步 练习(时间:10分钟)设计游戏，复习本单元语法宾语补足语，巩固本话题的功能句，完成2a和2b。1. (通过做“贴尾巴”的游戏，来复习本话题语法内容，强调2a中的重点句型。)T: Boys and girls, lets play a game “stick the tails”. Please stick the object comple
14、ments we call tails to the proper sentences to review the use of object complement.(1)I advise you to study hard(2)Tiny computers inside patientsbodies can keep their hearts(3)The Internet is making the world(4)Mr. Lee told usto make computer serve us better. smaller, like a village. not to spend to
15、o much time playing games.beating normally. (让四个学生帮助写在纸条上被称为“尾巴”的宾语补足语找到它们的“主人”。其他学生检查他们贴的是否正确。)2. (组织学生进行“速读”比赛，复习巩固本话题中的功能句。完成2b。)T:Just now, we played a game. Was it interesting?Ss:Yes.T:OK. We will play another game. Do you like it?Ss:Yes.T:As we know, popular science is wonderful. We have learned a lot in this topic. And some expressions are useful. Now I will write them down on the small blackboard. Each of you must practice reading them as clearly and quickly as possible. And then I will find out who is “King/Queen of Readi
