人教版高一英语必修2 Unit3 Computers全单元教案
Unit 3 Computers Period 1: Listening & Speaking GOALS: 1. To practise listening comprehension. 2.To practise making decisions and reasoning TEACHING PROCEDURES: 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, books……) Step3. Listening (SB) 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very expensive． Radio You can listen to English． You cannot watch a film． Book You can get information． Sometimes it is out of date． 3.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 choice and give your reasons by using the following expression_r_rs. 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 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 expression_r_rs (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 expression_r_rs 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 that… 3. Post-speaking Conclusion—What useful expression_r_r do we use to make a decision and reason? (In this way, they can review and use the words and phrases again.) Step5. Homework Page 22. writing: Write a report about your choice and try to use the present perfect passive voice as well as the useful words and expression_r_rs that have been mentioned above. in your report. Period 2: Reading and speaking & Writing Goals: 1. Learn a reading passage to learn about a football android called Andy. 2. Improve students’ reading ability. 3. Design an android. 4. Write a passage about the problems that the android might have while he/she is serving people. Teaching procedures: Step1: Lead-in Show the first picture and tell the students that computers could be put into androids or robots. Present “android”. Tell the students: Androids are always with us! The students may disagree. Show pictures of Atom and Doraemon. Say: they are androids with magical power. Continue to show pictures of nursery maid androids and tell the students androids can be made to look after humans. Then ask: But can you imagine androids can play football? Maybe you are curious about it. I will show you a video that androids play football. Let the students watch the video and tell them: oday I would like to introduce an android family member to you .His name is Andy. Present the reading passage’s topic: Andy---the Android. Step2: Reading: Let the students read the passage. Carry out the tasks below: Task1: Answer the questions below: 1. Who is Andy? What is he good at? (He is an android. And he is good at playing football) 2. What helps him to move and think like a human? (His computer helps him to move and think like a human.) 3. What does Andy think about the team who beat them last year? Why? (She thinks the team cheated because they had a new kind of programmer, which had just been developed before the competition.) 4. What does the programmer do to Andy? (She programs me with all the possible moves she has seen while watching human games.) Task2: Fill in the blanks The story is about the _____ called ____, who is good at____________. And his__________ makes him think and move like a ______. However, they _____ in the _________ hosted in the USA, because the other team had a new kind of_______. After that, he will ask his programmer to improve his _________ and _______ some new moves. Task3: Language points: 1. I think we can work together to create even better software. even = much 用于强调比较的程度 2. In a way, my programmer is like my coach. in a way 在某种程度上… in the way 挡道,造成障碍 in this way 用这种方法 Fill in the blank： 1). ________it was one of our biggest mistakes. 2). You can finish your work . 3). Your bike is .Move it away. 3. In this way, I can make up new moves. make up 编写，补上 4. After all, with the help of my computer brain which never forgets anything, intelligence is what I’m all about. after all 毕竟 with the help of sb./sth. 在…的帮助之下= with one’s/ sth’s help Step3 Speaking Tell the students that we already have many different kinds of androids i【高一英语必修2 Unit3 Computers全单元教案】相关文章：
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