人教版高中英语必修2《Unit3 Computers》教案 人教版高中英语必修2《Uhit3 Computers》教案【一】 教学准备 教学目标 1. To practise l i steni ng comprehens i on 2. To pract ise mak ing dec is ions and reason ing 教学重难点 1. To pract ise listening comprehens i or 2. To pract ise mak ing dec is ions and reasoni ng 教学工具 课件 教学过程 Step1. revision 1. check the homework exerci ses 1). It has been reported that chi l dren wi l l be offered free education It has been reported that free education will be offered to children
人教版高中英语必修 2《Unit 3 Computers》教案 人教版高中英语必修 2《Unit 3 Computers》教案【一】 教学准备 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 cour se book I t has been p lanned that the latest computer science cour se book wiii 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 to ld by peter that his notebook computer wi l be lent to me for a week Question What can computers be used as Step2. Lead-in As we know, science and techno l ogy is deve l op i ng very fast and computer s have become smal ler and smal ler. they have been used in many fields. So, the 21 st century is the century of i nformat ion techno logy What does it mean? Does informat ion technol ogy it only mean things I ike computers? Of cause not Actual ly, 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, books..) Step3. Listen ing(SB)
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, books……) Step3. Listening (SB)
1. Pre-listening: What are the changes brought by different forms of t What are the advantages and di sadvantages of them 2. While-listening Go thr ough the chart and make sure the students look at the chart before they l isten to the tape . (this is to sharpen the ir attent i on and l i sten for the answers. This will also he p them get the gist of the text )then listen to the tape and finish fill ing in the chart . (If necessary pl ay the tape for several times.) Say: After I i sten i ng to their talk, we know all kinds of It have both di sadvantages and advantages Let s check the answers together Type of IT Advantages Di sadvantages TV You can both isten and watch. You cannot write to friends Web You can find informat ion it is very expens ive Rad io You can l isten to engl i sh. You cannot watch a fil Book You can get information. Sometimes it is out of date 3. Post-listening
1. 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 choi ce and give your reasons by us ing the fol lowi ng expressions i think that I n my op ini on,…. i believe that… agree because· di agree because ve dec i ded that 2)(group work): Discussion: Computers are useful and have br ought us lots of good things but they a lso cause bad effects. What attitude should we have towards the computer?( Make good use of it but never get trapped Step4. Speaking 1. Pre-speak i ng Say: From what we have learn, we shou l d admit that computers and the web have a great inf l uence on the school educat ion as welI as peop ife. It has come into people s ever yday life
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 that…. In my opinion, …. I believe that…. I agree because…. I disagree because…. I’ve decided that…. 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.) Step4. 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 fami l ies hol d computers in their homes. Now there is a task for you Whi le-speaking 1)Situation: You have been asked by your parents to help choose computers for your home. You and your fr iend have l ooked at several computers. Talk about the special things each computer can do. Make a dec i i on about whi ch kind of computer to buy and exp lain why Information input: Show students some pictures of different computers(desktop computer& laptop computer &.. Language input: Useful expressions(Repeat it to strengthen students' abi l ity of use it. Support ing an op in i on cha l leng ing an op in i on i think that…, because… Perhaps, but what if/ about…? First,… Have you thought about…? 0 ne reason is that… What makes you think that…? think it is better because…ldon’ t like it because…. (Pair work )Use the express ions to support your opinion or chal leng ing other s op in or
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 & …) Language input: Useful expressions (Repeat it to strengthen students’ ability of use it.) Supporting an opinion Challenging an opinion I think that … , because … Perhaps, but what if / about …? First, … Have you thought about …? One reason is that … What makes you think that …? I think it is better because… I don’t like it because…. (Pair work )Use the expressions to support your opinion or challenging other’s opinions