unit4 topic 1 spaceships are mainly controlled by computers 教案6（仁爱版九年级上）

九年级上仁爱版英语Unit 4 Topic 1 Spaceships are mainly controlled by computers Section C教案The main activities are 1a and 2. 本课重点活动是1a和2。. Teaching aims and demands 教学目标1. Master some new words and phrases:doubt, no doubt, tiny, cancel, connect, for instance, spend (in) doing2. Go on learning the use of object complement: At the same time, they have made the workplace safer and better.The Internet has made the world smaller, like a“village”. Tiny computers inside patients bodies keep their hearts beating normally.3. Improve the students reading skills. 4. Discuss the uses of the computers. . Teaching aids 教具投影仪/图片/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:10分钟)(出示神五、神六、嫦娥一号及一台电脑的图片或投影片，让两组学生试着用自己的语言表演Section A、B中的对话，复习以前学过的知识，为本课中的计算机知识和网络知识作铺垫。)T: We have learned something about spaceships. Can you act out the dialog in Section A 1a?S1、2、3:We can. (学生到讲台前表演对话。)T: What about Section B 1a?S4、5:We want to have a try. T: Please. (学生到讲台前表演。)T: Now, please answer the questions. (教师针对Section A、B提问，复习以前学过的知识。)T: (1) How long did Yang Liwei stay in space?(2) Can we make computers serve our lives better in the future?(3) Is a spaceship controlled by computers?(4) Is it important to master computer technology?(5) What can computers do during a space trip?(学生一个接一个回答问题，教师给予适当补充，引入新课。)T: Good! Computers control the speed and the direction during a spaceships flight in space. They can also fix tiny mistakes and cancel wrong orders, etc. There is no doubt that computers are useful during the space trip. Whats more, computers have become very important in our daily life. We can say the whole world is connected by computers. OK, lets begin the new lesson.(板书并解释，领读并要求掌握。)doubt n.no doubttiny adj.cancel v.connect v.(学生以小组形式就计算机在人们生活中的应用互动操练对话。)Step 2 Presentation 第二步 呈现(时间:10分钟)1. (教师呈现以下问题，先让学生根据自己的了解进行回答。)(1) Do the computers play an important role during the space flight?(2) What can computers and the Internet do in our daily life?(3) Can we work on computers too long? Why?(学生能回答一些问题，但不一定全面，教师建议学生带着这些问题，阅读1a。提高学生的阅读能力。)T:Please read the passage and try to find out the answers to the questions. (学生阅读后，可与同伴讨论并给出答案。)T:Now lets check the answers together. (找学生回答问题之后，核对答案。)(讲解文中疑难部分。请学生找出疑问，鼓励其他同学解决疑难，教师作补充。板书并解释下列句式和短语。)keep their hearts beatingThere is no doubt that.for instance=for example2. (让学生再读1a，尤其注意一些短语和句式，独立完成1b。)T: Read 1a again and pay attention to the expressions. Finish 1b.(核对1b答案。)3. (要求学生认真阅读1a，找出各段的中心句并给文章加上合适的标题。完成小黑板上的表格。)T: Read 1a carefully again. Can you find out the topic sentence of each paragraph and give a good title to this passage? And then I will ask some students to fill out the table.PlaceThe use of computersIn spaceIn hospitalsIn businessIn factories At home(找五个学生完成表格，并核对答案。)Step 3 Consolidation 第三步 巩固(时间:5分钟)1. (练习1a，师生互动，巩固目标语言。)T: Boys and girls, we know that computers are playing an important role in our daily life. We also know that they can also bring lots of problems. Lets look at the pictures and tell me whether they are good habits or not.(用投影仪出示几组图片。)(1) (2) (3) (提问几个学生。)2. (引导学生分组讨论电脑的优、缺点，可以根据1a并添加自己的观点，完成1c。)T:OK. We know computers help people a lot almost in every field, but it is not good for us to work on the computer too long. Please discuss in two groups, and list the advantages and disadvantages of computers. You can add your own opinions. And then finish 1c.(检查学生完成情况。) Step 4 Practice 第四步 练习(时间:10分钟)1. (要求学生再次阅读1a, 找出含有宾语补足语的句子，并把它画出，教师板书并适当讲解。)1. They keep their hearts beating normally. 2. Computers have made the workplace safer and better. 3. The Internet has made the world smaller, like a “village”.2. (教师进一步归纳宾语补足语，说明很多词或短语都可作宾补。)T: Boys and girls, look at the blackboard to see what kinds of words or phrases can be object complement. (教师用投影仪展示句子，积极引导学生看哪些词可作宾补。)(1) We made her monitor. (名词)(2) He doesnt believe the story true. (形容词)(3) The doctor advised her to stay in bed. (不定式)(4) They saw her walking into the bookstore. (分词短语)(5) You should put your books in order. (介词短语)3. (让学生独立完成2。)T: Boys and girls, we have learned something about object complement. Do you all understand?Ss: Yes. T: OK, finish 2 by yourselves. (两分钟后，教师核对答案。要求学生掌握词组spend (in) doing。)Step 5 Project 第五步 综合探究活动(时间:10分钟)1. (分组讨论如何给网吧写一个上网注意事项，提醒常去网吧的人注意上网卫生，养成健康的上网习惯。)(教师用投影仪展示格式，给予提示。)Welcome to Net Bar. Tips: (1) Have a rest every two hours when you are on the net. (2) (3) (4)T: Boys and girls, work in groups and try to write some tips for the persons who like to spend time in the net bar. 2. Homework:Retell the passage in 1a.板书设计：Spaceships are mainly controlled by computers. Section CThey keep their hearts beating normally. no doubtComputers have made workplace safer an