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Unit 3 Computers教学设计

教学目标 　　

1. To practise listening comprehension. 　　

2.To practise making decisions and reasoning 　　

教学重难点 　　

1. To practise listening comprehension. 　　

2.To practise making decisions and reasoning 　　

教学工具 　　课件 　　

教学过程 　　

Step1. revision 　　

1. check the homework exercises. 　　

1). It has been reported that children will be offered free education. 　　

It has been reported that free education will be offered to children. 　　

2). It has been said that we will be offered the latest computer science course book. 　　 It has been planned that the latest computer science course book will be offered to us. 　　

3). I have been told by Peter that I will be lent his notebook computer for a week. 　　I have been told by Peter that his notebook computer will be lent to me for a week. 　　

2. Question: What can computers be used as? 　　

Step2. Lead-in 　　

As we know, science and technology is developing very fast and computers have become smaller and smaller. They have been used in many fields. So, the 21st century is the century of information technology What does it mean? Does information technology/ IT only mean things like computers? Of cause not. Actually, it means more than computers. Computers are just one kind of IT. What else do you know is part of IT? 　　(TV, radio, CD-ROM, DVD, booksXXXXXXXXXX) 　　

Step3. Listening (SB) 　　

Pre-listening:

What are the changes brought by different forms of IT ? 　　What are the advantages and disadvantages of them ? 　　

2. While-listening: 　　

Go through the chart and make sure the students look at the chart before they listen to the tape. (This is to sharpen their attention and listen for the answers. This will also help them get the gist of the text.) Then Listen to the tape and finish filling in the chart. (If necessary, play the tape for several times.) 　　Say: After listening to their talk, we know all kinds of IT have both disadvantages and advantages.Let’s check the answers together. 　　Type of IT Advantages Disadvantages 　　TV You can both listen and watch. You cannot write to friends. 　　Web You can find information. It is very expensive. 　　Radio You can listen to English. You cannot watch a film. 　　Book You can get information. Sometimes it is out of date. 　　

3. Post-listening: 　　

1) (pair work): decide which type of IT is best for you to use right now. Make your choice and give your reasons by using the following expressions. 　　I think thatXXXXX. 　　In my opinion, XXXXX. 　　I believe thatXXXXX. 　　I agree becauseXXXXX. 　　I disagree becauseXXXXX. 　　I’ve decided thatXXXXX. 　　

2) (group work): Discussion : 　　Computers are useful and have brought us lots of good things, but they also cause bad effects. What attitude should we have towards the computer? (Make good use of it but never get trapped by it.) 　　

Step 4. Speaking 　　

1. Pre-speaking 　　Say: From what we have learn, we should admit that computers and the web have a great influence on the school education as well as people’s life. It has come into people’s everyday life and many families hold computers in their homes. Now there is a task for you. 　　

2. While-speaking 　　

1) Situation: You have been asked by your parents to help choose computers for your home. You and your friend have looked at several computers. Talk about the special things each computer can do. Make a decision about which kind of computer to buy and explain why. 　　Information input: Show students some pictures of different computers (desktop computer & laptop computer & XXXXX) 　　Language input: Useful expressions (Repeat it to strengthen students’ ability of use it.) 　　Supporting an opinion Challenging an opinion 　　I think that XXXXX , because XXXXX Perhaps, but what if / about XXXXX? 　　First, XXXXX Have you thought about XXXXX? 　　One reason is that XXXXX What makes you think that XXXXX? 　　I think it is better becauseXXXXX I don’t like it becauseXXXXX. 　　(Pair work )Use the expressions to support your opinion or challenging other’s opinions. 　　

2) Oral report: (individual work ) 　　Do an oral report to your father and start your report like this: I looked at many different computers. The one I have chosen is the PEP personal computer. One of the main reasons is that it is suitable for homes. I found thatXXXXX 　　

3. Post-speaking 　　Conclusion—What useful expression do we use to make a decision and reason? 　　(In this way, they can review and use the words and phrases again.) 　　

Step6 Pre-writing 　　

Say: Imagine what problems and delights this android might have to deal with while it is serving you. Try yourself in someone else’s shoes is an important way of understanding how other people feel. 　　Then discuss: You are an android. You work for a family with one child who is very spoiled. The parents want you to do everything for them. The parents are nice, but they often ask you to watch over their child. How do you feel? What would you do if the child asked you to do his/her homework for him/her? Would you ever tell the child “no”? 　　

Step7 Writing 　　Say: Write a passage about the result of your discussion! It should contain: 　　What do you have to do? 　　What is the child like? 　　What is the parents’ requirement of the child? 　　What do the parents want you to do? 　　What does the child want you to do? 　　Then what will you do? How do you feel? 　　Sample writing: 　　Hello everybody, my name is Liu Yan.I am a 321 model android.I work for the Li family. Mr and Mrs Li work very hard too.Mr Li is an architect and designs great tall apartment blocks.Mrs Li is a doctor and has to look after many patients.I remember all the plans for Mr Li's projects and can tell Mrs Li which drugs are the best to give any particular patient. And I also look after their library. I store all the books that they borrow from their school or friends in my brain.Of course my brain is as large as a mountain, so work like that is no trouble to me.I really eat books just like people eat food. 　　The Lis have a child who is very spoiled. He needs me to remember all his school textbooks so that I can do his homework for him.He just gives me the information on the subject, what has to be done and the page numbers and I get on with it while he enjoys himself with his friends.Sometimes I don't think it is right to do his homework for him — it's somewhat cheating. However, his parents are very concerned at the pressure of work in school these days.The child has too much homework to do. They like him to go to the key school but they also want him to be able to have hobbies, learn to swim and keep fit! Poor child! 　　So they consider me the most important person in the family after themselves.I am always introduced to their friends and play with visiting children.I am the perfect family academic aid and, although I was not cheap to buy, Mr Li says I was worth every yuan! 　　

Step8 Assessment 　　Get the students to assess their writing ability according to the following the questions: 　　1. Is your composition well developed? 　　2. Are your ideas well organized to the point? 　　3. Do you have a good choice of words and idioms in your writing? 　　4. Do you get a good mastery of complex structures of language? 　　5. What kind of mistakes have you made in your writing? 　　Step9: Homework 　　Write about your discussion. You may begin like this: 　　Hello, everyone. My name is ___. I’m 321 model android. I work for the Li familyXXXXX.

教学反思:

　英语教学反思（一）： 英语词汇教学反思 教师在平时上课时，就有意先读一些词汇，或读课文，让学生先不要去看书，跟老师读这些词，然后再让学生拼写，和学生讨论如何去拼写，看这些词是由哪些字母组成的。个性是一些规律性的东西，需要反复进行训练。对于一些没有规律的单词构成，进行比较，以促进记忆。老师还能够先写出单词或句子，让学生根据已有的拼读知识试着去读出这些单词或句子。 拼读训练是一个长期的过程，如前所述，教师首先要了解学生的拼读潜力，从最基础开始，循序渐进，掌握有规律的单词读音，比较无规律的单词读音，从而到达记忆词汇，培养读写潜力的目的。这就要求教师对每个年级，每个学期课本中所出现的词汇，做到心中有数。根据单词拼读难易程度、读音和字母组合进行归类: 1、我们把词汇根据其拼读的难易程度可分为一类、二类、三类。 第一类是最容易拼读的词汇:a and ask at back bag bed bigblack box bus but by cake can car cat class dad desk这些词汇，教师就能够让学生先听，然后试着去拼写。本文由一齐去留学修改整理。[由www. .com整理] 第二类是规律性的由字母组合构成的词汇:car star all walkwhich who that this slow know play gay这些词汇就需要教师加以归类和总结，告诉学生一般发音规律，以及例外的读音状况。如ow字母组合读／ ou／音，但在cow中读／au／音。 第三类的词汇就是一些无规律的词汇:half one uncl >>>>>>内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。<<<<<< t worrywould；其它词 如ask jump watch go等都是一些表示具体行为的词（约79％）。因此我们完全能够透过实物、情景的教学方式来完成词汇的教学而没有必要过分地死记硬背所对应的汉语好处。英语的词汇教学有很多方法，但我们认为在初中阶段，个性是在低年级，就应坚持听说领先原则；加强读音规则教学，培养学生的拼写潜力；透过实物、情景教学的方式讲解词义，帮忙学生摆脱在记忆词义时，对汉语好处的过分依靠，使他们把英语单词和其所指的事物、情景联系起来，以加深记忆。这样，学生就能够从英语单词的语音、拼写、好处等几个方面用心地吸收词汇，从而到达掌握词汇的目的。 　 〖英语教学反思（一）：〗链接地址：http://www.bjdcfy.net/fanwenwang/jiaoxuefansi/20***8_***.html 大学网 关键词: 教学反思 版权声明：以上文章中所选用的图片及文字来源于网络以及用户投稿，由于未联系到知识产权人或未发现有关知识产权的登记，如有知识产权人并不愿意我们使用，如果有侵权请立即联系：***7@qq.com，我们立即下架或删除。

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