Unit 4 Cyberspace Lesson 16教案 （北师大版必修2）

Lesson 3 Virtual RealityTeaching aims:To practise using first and second conditionals.To assess whether websites are real.Teaching difficulties: To practise expressing preferencesTeaching Aids: computer and cassetteTeaching procedures: . Warming upT: What is virtual reality？S:T: The use of computers make situations feel and look real. What do people use the technology to do? S:T: Which of these uses for virtual reality are possible now?v virtual reality holidaysv learning to fly using virtual reality technologyv playing virtual reality computer gamesv visiting virtual museums on the InternetS:T: Possible uses for virtual reality now: Playing virtual reality computer gamesLearning to fly using virtual reality simulatorVisiting virtual museums on the Internet Show students some slides to prove these facts T: Would you like to visit the Science Museum website? Why or why not?Would you like to go to a virtual university?S: T: Virtual reality can bring us lots of convenient. You will find lots of good information at home, and neednt spend time traveling there.Study in such a world-famous university without going out of your room. Reading The text will talk about virtual reality now lets read the text and do the exercisesTrue or False1. This weekend Tom will help Cathy finish a project on the history of the Internet.2. Cathy is more interested in virtual holiday than Tom.3. Tom will have a virtual reality holidays this weekend. 4. Virtual university is an interesting game on line instead of a real university.5. Virtual reality holidays spend less time than real holidays.6. You neednt go to the real place in virtual reality holidays but you can get real feeling of traveling there.7. The Science Museum on line doesnt exist in fact, just imagine it.Answers: 1. F 2. T 3. F 4. F 5. T 6. T 7. FRead the dialogue and answer the questions below.1. Why cant Cathy go out this weekend?2. Where is Tom planning to go?3. Does Cathy have a programme for virtual holidays on her computer?4. Does she really think she will have the chance to go on a world tour?5. What would Tom like to do with virtual reality?6. Why is Cathy so excited about the technology?Answers: 1. She has to finish her project.2. Hell go camping if the weather is good.3. No.4. No 5. He would like to go to a world famous university.6. Because she thought she would be able to go anywhere she liked. Further readingRead the text again and pay attention to the right expression.Correct mistakes1. What are you going to do at this weekend.2. I have too many things to be done.3. We wont go to go camping if it will rain4. If they invent virtual reality holidays, Id go on an around-the world tour.5.Do you have anything plan for Saturday and Sunday.6.Tom imagines himself go to a famous university.7.Personal Im interested in virtual university.Answers: 1. 去掉at 2. 去掉be 3. 去掉will 4. invent改为invented 5. plan改为 planed 6. go改为going 7. Personal 改为Personally Talking What are the advantages and disadvantages of a virtual university?Would you like to go to such a university? Why? Advantages of a virtual universityNo limit to time and place It is convenient to attendtake your job as studysave transportation timeneednt buy text material Language points1. whats up to 口语中 问对方在做什么。You look worried, what have you been up to?你看上去很担心的样子，怎么了？My brother locked himself in his room for a whole morning. What is he up to?弟弟整个上午把自己关在房间，他在干什么？2. suggest 建议,后接宾语从句（虚拟语气）或动名词短语。I suggest that you (should ) check the information before you sign your name.我建议你在签字之前检查一下所列信息。Catherine suggests asking her dad for his opinion.凯瑟琳建议征询她爸爸的建议。暗示， 表明（真实语气）The look on his face suggested he was angry.他脸上的表情表明他生气了。3. But I still find it hard to imagine.It 是形式宾语， hard 为宾语补足语 ，to imagine为真正的宾语Children find it hard to concentrate.孩子们发觉很难集中精力I find it a great pleasure to meet you here.在这里遇见你真令人愉快。She thought it best to wait for him.我认为最好等他。I found it not easy to get on with Jim.我发现和吉姆相处不容易。 GrammarDo the exercise 5Read the sentences in italics in the first seventeen lines of the dialogue, Are the sentences used to talk about:a) Unlikely situations in the future?b) Possible situations in the future?1. If I dont finish my project on the history of the Internet for next Mondays lesson, the science teacher will be angry.2. If its good, Dad, Mum and I will probably go camping.3. We wont go if it rains.4. If I stay home, Ill help you with your project if you like.5. If you tell me some titles, Ill look for them in the library.6. If you go to the Science Museum website, youll find lots of good information.7. If we had virtual reality holiday, we wouldnt have any problems with the weather.8. If they invented virtual reality holidays, Id go on an around-the-world tour.Do the exercise 6.Write these sentences as First Conditionals. Put the verbs in brackets in the correct form.1. What (do) if your computer (not work)?What will you do if your computer doesnt work?2. (You go) out with me on Saturday night if you (finish) the project?Will you go out with me on Saturday night if you finish he project?3. If you (go) to that website, you (find) some interesting imformation.If you go to that website, youll find some interesting information.4. (You go) to that concert if it (rain)?Will you go to that concert if it rains?5. She (buy) a computer if she (get) that job.Shell buy a computer if she gets that job.6. I (give) you the information if you (telephone) me tomorrow.Ill give you the information if you telephone me tomorrow.7. What (you do) if the information if you (telephone) me tomorrow.What will you do if the weather isnt good tomorrow. 8. My sister (not go) to London if she (not pass) her exam.My sister wont go to London is she doesnt pass her exams.Do the exercise 7Read the sentences and decide what the people are expressing.a) Unrealistic hopes for he futureb) Plans for the futurec) Something that isnt possible nowIf we had virtual reality holidays, we wouldnt have any problems with the weather.If they invented virtual reality holidays, Id go on an a