unit3Computers_Reading公开课

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最后最您生活愉快 ~O(∩_∩)O ~Unit 3 ComputersPeriod 1 ReadingI.Teaching aims1. Knowledge aims(1)Get the students to learn the useful and expressions in this part.(2)Let students to learn about history and basic knowledge of computers.2. Ability aimDevelop students' reading abilities and let them learn different reading skills.3. Emotional aimArouse students' great interest in learning computers and let them learn to use the computers in their daily lives.II.Teaching difficult and important points1.Let the students learn more about history and basic knowledge of computers.2.Get the students to learn different reading skills.III.Teaching methods1.Task-based teaching and learning2.Cooperative learning3.DiscussionIV. Teaching proceduresStep1.Lead-in and warming upShow the students some pictures of Steve Jobs and let them guess who he is. After showing the third picture, they may get the right answer. Then let them focus on the tablet in his hands and ask them what kind of computers it is. Then show them a short video about the history of Apple’s computers and ask them how many different kinds of computers they can see.At last, show them some kinds of computers.T: Do you want to know more about computers?Step2.SkimmingRead the whole passage as fast as you can.Try to get the main idea of thispassage.A. The computer wants to find “who he is”.B. The function (功能) of the computer.C. The computer becomes popular around the world.D. The history and the applications of the computer.Find out the topic sentence of each paragraph and underline them.Step3. Careful-reading Para 1ScanningLet the students read this paragraph carefully and try to finish the following char.T: How could these changes become possible?Step4. Careful-reading Para 2Let the students read paragraph 2 quickly and find the answer to this question. After check the answer, give them one minute to find the five different ways of memory for computers in different periods of time.Step5. Careful-reading Para 3Since the memory of computers has been improved greatly, will them become more powerful and can be used in more fields?Now read the last paragraph and find out the new applications of computers. Step6. Further Reading1.The passage is written by_______ order?2. What is the most used rhetoric (修辞法) in this passage?A. simile（明喻）B. personification (拟人)C. metaphor (暗喻)3. In what ways have computer been changed?Ask some students to summarize. If they have any difficulty, give them some hints.Step7. Activity: Be the next Jobs!We have learned the history of computers and seen the great development of computers. What will the computers be like in the future? Do you want to design your computers as Jobs did? Now try to design your computers.For example:This is the new computer designed by our company.It is very small and transparent(透明的). You can even put it into your pocket. (Shape/color)It has a free-internet in it. You can… (Applications/functions)It only costs you … (Price)Give the students five minutes to prepare and invite some of them to show their ideas.Step8. Homework1. Try to retell the history of computers.2. Read the passage carefully and underline the difficult sentences.结尾处，小编送给大家一段话。

教学目标1、通过阅读一篇与电脑有关的说明文,初步了解文章内容,了解电脑和网络的神奇之处。

2、培养学生读前预测技能,以及通过寻读了解文章细节、略读了解文章结构的技能。

3、通过思维导图和图表理清文章结构和细节,归纳文章主要信息。

4、在话题辩论中深入理解人与电脑之间的关系。

2学情分析电脑这个话题学生很熟悉并且非常感兴趣的,因此比较容易唤起学生的兴趣。

只是,学生对电脑的历史和功能认识得比较少,对于利与弊了解得比片面。

因此,在对电脑历史和功能的介绍部分做好铺垫后,让学生针对电脑是好还是坏进行了辩论活动,让学生在理解课文的基础上进行口语输出,进一步加深对本话题的认识。

3重点难点1 通过思维导图和图表理清文章结构和细节,归纳文章主要信息。

2 让学生在理解课文的基础上进行关于电脑好与坏的辩论活动。

4教学过程4.1 第一学时4.1.1教学活动活动1【导入】Warming up1 Play a guessing game to make students learn about the topic of computer.2 Ask question:" What can we use a computer to do? " to lead in the functions ofa computer.活动2【讲授】Pre－reading1 Introduce the history and the parts of computer.2 Finish "Before you read "on Page 34 and lead the students to learn somethingabout "Subheading".活动3【讲授】While－reading1 Ask Ss three questions about the whole article to get a general understanding ofit.2 Read the first part of the article, and finish a form to get the detail and structureunderstanding of the first paragraph.3 Read the second part,and finish a mind map to list the functions of a computer.4 Read the third part, and finish a form to get a strcuture understanding of theparagraph.活动4【活动】Post－reading1 Divide the students into two groups to have a debate,the topic is :"Is the computer good or bad?"2 Summary.3 Homework.活动5【练习】学案本课阅读过程所用的学案活动6【测试】达标测评测评学生对本节课的内容掌握程度。