Ss: Yes. T: The pair that finishes in the shortest time is the winner. OK, begin! (1) I wish I could go into space some day. (2) I hope your dream will come true. (3) There is DNA in most living things, including human beings. (4) No one knows for certain, but most people think that robots will be part of our lives. (5) In short, this robot is very useful to us. Step 5 Project 第五步 综合探究活动(时间:4分钟)
学生小组合作，设计一个新发明，并画出来，完成3。培养学生合作与探究的精神。 1. T: Look at Kangkang’s invention and the information. What’s the name of his invention? Ss: Plar.
T: What’s it used for?
Ss: It’s used for both flying and driving. T: Good! Do you want to be an inventor? Ss: Yes.
T: OK! Discuss in groups and design your own invention. You’d better draw a picture of it and write down the information about it. Are you ready? Ss: Yes.
T: OK, start please.
(学生小组合作。完成后，选几名学生谈论他们的新发明。) 2. Homework:
Search the Internet for more technologies and inventions. Share them with your classmates. 板书设计： When was it invented? Section D run away GPS: the Global Positioning System This method worked well at night as long as the weather was good and the stars could be seen.
Topic 3 I don’t think aliens can be found in space.
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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. Talk about 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 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。)
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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.
T: Of course we can. Maybe people will fly to Mars one day. Do you think it is magical? Ss: Yes, that’s very exciting.
T: Do you want to be an astronaut like Yang Liwei? S6: Yes. I hope that I can travel to the moon one day. …
T: Boys and girls, if you can be an astronaut in the future, you can do more research about space. But you should study hard now to make your dreams come true. (板书并要求学生掌握。) research Step 2 Presentation 第二步 呈现(时间:12分钟)
呈现1a，完成1b。培养学生的听说技能和阅读理解能力。 1. (让学生听1a前讨论，以加深理解。)
T: Boys and girls, I will ask you two questions before listening. Please discuss them in two minutes. (1) Do you think people will live on Mars in the future? (2) Do you believe there are aliens in space? (两分钟后，播放1a录音,让学生带着问题听, 提高学生的听力水平。)
T: OK. Let’s listen to the dialog and answer the questions on the small blackboard. (出示小黑板。) (1) What are they going to do this Saturday evening? (2) Is it a movie about aliens? (3) What can people do on Mars in that movie? T: Boys and girls, can you answer the questions? (核对答案。)
2. (将学生分成两大组朗读1a，让学生画出关键词，再读一遍1a，完成1b。)
T: Open your books. Girls act as Maria. Boys act as Kangkang. Read the dialog. After reading, find out the key words and phrases in it. Read it once again and finish 1b. (板书) movie, life in space, exciting, travel, visit, Mars, live in space, houses, schools, hospitals, ` ·38·
anything, wait (核对1b的答案。)
3. (让学生找出对话中的新语法modal verb + be + P.P.，教师进行讲解并操练。)
T: We have learned “is/am/are+P.P.” and “was/were+P.P.” Please find out sentences with modal verb + be + P.P.
(教师板书并解释带有情态动词的被动语态结构。) We will be able to do anything that can be done on the earth. modal verb+be+P.P. (教师强调带有情态动词的被动语态结构。) T: Boys and girls, I’ll say a sentence in the active voice. You change it into the passive voice, OK? Ss: OK.
T: We should clean our classroom every day.
Ss: Our classroom should be cleaned by us every day. T: We must finish our homework on time. Ss: Our homework must be finished on time. T: I may put my book in your bag. Ss: My book may be put in your bag. T: Excellent. You did a good job.
Step 3 Consolidation 第三步 巩固(时间:9分钟)
巩固1a，呈现并完成2a和2b。进一步培养学生的听说技能和阅读理解能力。 1. (让学生表演1a。)
T: Boys and girls, can you act out the dialog? Ss: Yes.
(学生表演后，教师给予鼓励。)
2. (放2a录音，让学生带着问题去听。)
T: We know Maria and Kangkang saw a wonderful movie about life in space. After seeing the movie, what are they talking about? Now let’s listen to the tape and answer the questions on the small blackboard.
(出示小黑板。解释生词并要求学生理解。) (1) What are they talking about? (2) How about the scientific research on aliens in America? (核对答案。) ` ·39·
(板书并要求学生理解。) scientific 3. (分组朗读2a，完成2b。)
T: Boys act as Kangkang. Girls act as Maria. Please read the dialog aloud. After reading, please finish 2b. (核对答案。)
4. (让学生再读对话，找出文中的重难点并进行讲解。) T: Please read 2a again. Then try to find out the difficulties. (板书并讲解。) (1) I don’t think aliens can be found in space. (2) I won’t believe there are aliens until I see them with my own eyes. (核对2b问题的答案)
Step 4 Practice 第四步 练习(时间:11分钟)
巩固1a，2a，完成2c。通过表演、复述等形式，让学生进一步巩固对1a和2a的理解，加强学生综合运用语言的能力。
1. (根据1a和2a，安排学生两人一组对话，准备两分钟，之后请至少3组同学表演。) T: Boys and girls, Dialog 1a and Dialog 2a can be acted out together. Now please prepare for two minutes, then act them out in pairs. (学生表演完，教师给予鼓励。)
2. (教师提供对话中的关键词，让学生完成复述任务。)
T: Now, I say the key words in the two dialogs. Can you retell the dialogs? Ss: Let’s have a try. T: A wonderful movie.
Ss: There will be a wonderful movie this Saturday evening. T: Life in space.
Ss: It’s a movie about life in space. T: Travel by spaceship.
Ss: All the people travel by spaceship in the movie. T: Live in space.
Ss: Kangkang thinks they will live in space one day. T: Houses, schools, hospitals.
Ss: There will be houses, schools, hospitals and so on. T: Be able to.
Ss: We will be able to do anything that can be done on the earth. T: Aliens.
Ss: Kangkang doesn’t believe there are aliens.
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