Unit 4 Topic 3 Section B 教案.doc

Unit 4 Amazing ScienceTopic 3 Section B教案Teaching aims and demands 1. Learn some new words: technology, master, introduction, expect.2. Learn the usage of object complement:A. So I advise you to study harder to make computers serve our lives better.B. Astronauts add water to dried food to make it wet so that no pieces of food will fly around and influence the spaceships controls.3. Learn something more about our astronauts life during their space trip. 4. Develop the students patriotic spirit. Teaching aids 卡片/小黑板/录音机/图片Teaching Plan Step 1 Review 做游戏，复习上节课内容，教师手中拿有很多带有问题的卡片，把全班分成四组，每组选出一名代表来抽取卡片递给教师，然后把问题提出来，看哪个组答的又快又准确。T: Lets play a game. Ill divide the whole class into four groups. Each group need to choose one student to pick up the card. And he or she will read the questions, then others answer. Which group can answer these questions fastest and most exactly is the winner. Are you ready?Students: OK. T: Now lets begin. 学生抽取纸条，一一抽取问题如下: (1)Who is the first space traveller of China?(2)Which spaceship did Yang Liwei take?(3)When did Yang Liwei go into space?(4)How long did Yang Liwei stay there?教师总结，引出新话题，导入生词。T: Now we have known something about the space trips. Do you want to know something about the spaceships, Shenzhou and Shenzhou ?Students: Yes. T: OK. Let me introduce something about them to you!Step 2 Presentation 1.让学生听1a录音，回答问题，呈现1a的内容。T: Listen to the tape, and answer the question: What do astronauts use computers to do during the flight? 学生听完录音，与教师核对答案。2.让学生阅读1a，然后与教师一起找出重要的知识点。T: Please read 1a and find out the important points.(1) The spaceship is mainly controlled by computers. (2) Astronauts use computers to control the speed and the direction of the spaceship, even the temperature. (3) Its important to master computer technology. (4) So I advise you to study harder to make computers serve our lives better.3.再放1a录音，并要求学生注意重点短语和语音语调。4.学生再读1a, 独立完成1b, 然后核对答案。T: Read 1a again, fill in the blanks with the correct forms of the words given. Finish 1b.5. (1) 让学生在1b中找出含有宾语补足语的句子，师生一起总结，掌握本话题的语法重点。T: Now, please read 1b again and find out the sentences with object complement. Write them down on your notebooks. Can you?Students: Yes. T: OK, lets stop here. Who can find out the sentences? Please hands up, S1.S1:T: OK. Who can make some sentences according to the instructions on the blackboard? S2. S2: The teacher told us not to be late for school. S3: (2) 让学生小组讨论，说出更多的含有宾语补足语的句子，然后说给全班听，并让其他同学判断正误。T: Now please make more sentences using the object complement in groups. Then read them to the class.S4: I find him an honest boy. Ss: He / She is right. Step 3 Consolidation 1. 找几组同学表演1a。T: I would like to ask some groups to act out the dialog in 1a. 2. 在上面对话的基础上，要求学生复述1a。T: Boys and girls. 4 minutes later Ill ask you to retell the text according to the dialog above. 检查2-3位同学复述课文的情况，其余同学同桌互查。Step 4 Practice阅读2，回答小黑板上的问题。T: Boys and girls. We have known a little about spaceship. Do you want to know more about spaceship and how to train the astronauts?Students: Yes. T: OK. Read the passages, and then answer the questions. 1. Why does the spacesuit become the astronauts own mini-world?2. How many kinds of foods are there in the spaceship?3. Why do astronauts add water