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约1940字。

　　仁爱版九年级上Unit 4
　　Topic 3  I don’t think aliens can be found in space.
　　Section A
　　The main activities are 1a and 2a. 本课重点活动是1a和2a。
　　Ⅰ. Teaching aims and demands 教学目标
　　1. Learn a new word:
　　research
　　2. Learn some useful sentences:
　　(1) What fun!
　　(2) I won’t believe there are aliens until I see them with my own eyes.
　　3. Learn the use of modal verb+be+P.P.:
　　(1) We will be able to do anything that can be done on the earth.
　　(2) But I don’t think aliens can be found in space.
　　4. Talt flying to Mars, the outer space and something about the aliens.
　　5. Learn expressing possibility and impossibility.
　　Ⅱ. Teaching aids 教具
　　关键词卡片／图片／录音机／小黑板
　　Ⅲ. Five-finger Teaching Plan
　　Step 1  Review
　　复习巩固本单元Topic 2中所学重点句型和语法，提高学生综合运用语言的能力。
　　1. (复习巩固前面学过的有关现代科技及发明的重点句型，提高学生的口语表达能力。)
　　T: Boys and girls, we have learned something about spaceships, satellites, cloning, robots and GPS. The new technologies and inventions have improved our life greatly. Could you say something about them?
　　Ss: Yes.
　　T: OK. I made some cards with some key words on them. Each of you tries to say a sentence with the key words. Are you clear?
　　Ss: Yes.
　　T: OK, begin!
　　(出示写有关键词的卡片。)
　　(1)  proved, made great progress, developing, space industry
　　S1: They have proved that China has made great progress in developing its space industry.
　　(2)  spaceships, controlled, computers
　　S2: Spaceships are mainly controlled by computers.
　　…
　　2. (复习一般过去时的被动语态，导入新课，并呈现生词research。)
　　(出示神五及嫦娥一号的图片。)
　　T: When was Shenzhou Ⅴ launched, S3?
　　S3: It was launched in 2003.