约1700字。

　　仁爱版九年级上Unit 4
　　Topic 1  Spaceships are mainly controlled by computers.
　　Section D
　　The main activities are 1a and 3. 本课重点活动是1a和3。
　　Ⅰ. Teaching aims and demands 教学目标
　　1. Learn new words and phrases:
　　turn on, connect to, screen, click on, reply, search
　　2. Summarize the grammar: verb+object+complement
　　3. Review the uses of computers.
　　4. Learn how to send and receive an e-mail.
　　Ⅱ. 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
　　Ⅲ. Five-finger Teaching Plan
　　Step 1  Review
　　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 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 spaceship’s 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, let’s go on talking about computers.
　　Step 2  Presentation
　　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.