unit 4 amazing science topic1 sectiond 开学必备教案 仁爱版九年级上

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 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 somethi

2、ng about computers last period. Please say something about the computers uses. S1: Computers have become 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 problems. S5: T:Nice work. In this lesson, lets go on talking about computers.Step 2 Presentation 第二步 呈现(时

3、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 do 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

4、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 b

5、ox will appear on your screen. OK, lets know the buttons. First, this button写信 means writing a letter. 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 发送 , which means sending. Now, do you understand? Can anybody send an e-mail now? Once again S4, plea

6、se! 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。)(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

7、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 the 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

8、e-mail? And can you tell others how to do it in English? Show every step to your partner in English. 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 complements we call tails to the proper sentences to review the use of object complement.(1)I advise you t

9、o 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 too 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

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