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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. Talk about flying to Mars, the outer space and something about the aliens.
5. Learn expressing possibility and impossibility.
Ⅱ. Teaching aids 教具
电脑
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:8分钟)
复习巩固本单元Topic 2中所学重点句型和语法，提高学生综合语言运用能力。
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, GPS and so on. 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.
T:When was Chang’e Ⅰ launched, S4?
S4:It was launched in 2007.
T:Well done! They have proved that China has made great progress in developing its space industry. Is it right, S5?
S5:That’s right. I’m sure we’ll send more spaceships into space.