1、1 Unit 4Amazing Science Topic 3I dont 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。 . Teaching aims and demands 教学目标教学目标 1. Learn a new word: research 2. Learn some useful sentences: (1) What fun! (2) I wont believe there are aliens until I see the
2、m 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 dont 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 impossibi
3、lity. . Teaching aids 教具教具 电脑 . Five-finger Teaching Plan 五指教学方案五指教学方案 Step 1Review 第一步第一步复习复习(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 ne
4、w 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,
5、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 launched, S3? S3:It
6、 was launched in 2003. T: When was Change launched, S4? S4:It was launched in 2007. 2 T: Well done! They have proved that China has made great progress in developing its space industry. Is it right, S5? S5:Thats right. Im sure well send more spaceships into space. T: Of course we can. Maybe people w
7、ill fly to Mars one day. Do you think it is magical? Ss:Yes, thats 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
8、 study hard now to make your dreams come true. (板书并要求学生掌握。) research Step 2Presentation 第二步第二步呈现呈现(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 o
9、n 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, 培养学生听力技能。) T: OK. Lets 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) Whats the movie about? (3) What can people do o
10、n 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 again and finish 1b. (板书) movie, l
11、ife in space, exciting, travel, visit, do you think, live in space, houses, schools, hospitals, be able to do, 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
12、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并操练。) T: Boys and girls, Ill 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. 3 Ss:Our classroom should be
13、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 3Consolidation 第三步第三步巩固巩固(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
14、 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 lets listen to the tape and answer the questions on the small blackbo
15、ard. (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。) (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
16、出文中的难点，老师进行讲解。) T: Please read 2a again. Then try to find out the difficulties. (板书并讲解。) (1) I dont think aliens can be found in space. (2) I wont believe there are aliens until I see them with my own eyes. (核对 2b 问题的答案) Step 4Practice 第四步第四步练习练习(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
17、 的理解，加 强学生综合语言运用能力。 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 yo
18、u retell the dialogs? Ss:Lets have a try. T: Awonderful movie. 4 Ss:There will be a wonderful movie this Saturday evening. T: Life in space. Ss:Its 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
19、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 doesnt believe there are aliens. T: Scientists. Ss:Some scientists think there are alien
20、s. One American scientist thinks they have already been on the earth. T: In order to. Ss:They are reading on the Internet in order to learn about human culture. T: Wont until. Ss:Maria wont believe there are aliens until she sees them with her own eyes. T: Great. You did very well.After class you sh
21、ould recite the two dialogs. OK? Ss:OK. 3. (让学生完成 2c，初步掌握含有情态动词的被动语态的用法。) T: Boys and girls, finish 2c. Match the two columns to make sentences. Pay attention to the new grammar “modal verb + be + P.P.” (核对答案。) 4. (用适当的词完成下列句子。) (1) The letteryesterday. 信是昨天写的。 (2) The bookinto many languages since
22、it was published. 这本书出版后 被翻译成多种语言。 (3) This workat once. 这项工作必须立即完成。 (4) This bookinto many foreign languages. 这本书应该译成多国文字。 (核对答案。) (1) was written(2) has been translated(3) must be done(4) should be translated Step 5Project 第五步第五步综合探究活动综合探究活动(时间:5 分钟) 让学生写观后感，并搜集更多有关外星人和火星的知识，巩固本节课所学内容，并为下节 课的学习做好铺
23、垫。 1. Work in groups. Collect information about aliens and Mars. Share it in groups to get ready for the next section. You can begin your project by asking “ How much do you know about aliens/Mars?” 2. Homework. (1) Recite 1a and 2a. (2) Suppose you are Maria. Please write another diary after watching the movie about aliens. 板书设计： 5 I dont think aliens can be found in space. Section A see sb./sth. with ones own eyes modal verb + be + past participle We will be able to do anything that can be done on the earth. But I dont think aliens can be found in space.
