北师大版 高中英语必修2 Unit 4 Cyberspace Lesson 3 virtual reality Reading and grammar 课件（共53张）
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| 名称 | 北师大版 高中英语必修2 Unit 4 Cyberspace Lesson 3 virtual reality Reading and grammar 课件（共53张） |  | |
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| 更新时间 | 2019-04-25 19:06:12 | ||
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课件53张PPT。Unit 4 CyberspaceLesson 3
Virtual RealityWhat is virtual reality?Virtual reality is the use of computers with sounds and pictures that make you feel as if you are in a real situation.Warm-up 什么是虚拟现实技术呢？简单地说, 就是人们利用计算机生成一个逼真的三维虚拟环境, 通过自然技能使用传感设备与之相互作用的新技术。它与传统的模拟技术完全不同, 是将模拟环境、视景系统和仿真系统合三为一, 并利用头盔显示器、图形眼镜、数据服、立体声耳机、数据手套及脚踏板等传感装置, 把操作者与计算机生成的三维虚拟环境连结在一起。操作者通过传感器装置与虚拟环境交互作用, 可获得视觉、听觉、触觉等多种感知, 并按照自己的意愿去改变“不随心”的虚拟环境。 比如, 计算机虚拟的环境是一座楼房, 内有各种设备、物品，操作者会如同身临其境一样, 可以通过各种传感装置在屋内行走查看、开门关门、搬动物品; 对房屋设计上的不满意之处, 还可随意改动。headsets, glass and special gloves and suits equipped with sensorsthe user can directly interact with a 3D (dimension) computer programme by moving ‘inside’ it.virtual reality holidays
learning to fly using virtual reality technology
playing virtual reality computer games
visiting virtual museums on the InternetWhich of these uses for virtual reality are possible now?Playing virtual reality computer games.Learning to fly using virtual reality simulator.Visiting virtual museums on the Internet.Would you like to visit the Science Museum website? Why or why not?Would you like to go to a virtual university?read the dialogueOk, you will find lots of good information at home, and don’t need to spend time traveling there.Wonderful, study in such a world-famous university without going out of our room.Read the dialogue and tell the sentences True or False.1. 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. FTF4. Virtual university is an interesting game on line instead of a real university.
5. Virtual reality holidays spend less time than real holidays.TF6. You needn’t go to the real place in virtual reality holidays but you can get real feeling of traveling there.
7. The Science Museum on line doesn’t exist in fact, just imagine it.TFRead the dialogue again and answer the questions.1. Why can’t Cathy go out this weekend?
She has to finish her project.
2. Where is Tom planning to go?
He’ll go camping if the weather is good. 3. Does Cathy have a programme for “virtual” holidays on her computer?
No.
4. Does she really think she will have the chance to go on a world tour?
No. 5. What would Tom like to do with virtual reality?
He would like to go to a world-famous university.
6. Why is Cathy so excited about the technology?
She thought she would be able to go anywhere she liked. What are the advantages and disadvantages of a virtual university?
Would you like to go to such a university? Why?Voice your opinion No limit to time and place
It is convenient to attend save transportation time don’t need to buy text material take your job as study Advantages of a virtual university Lack face-to-face communication No real experience of going to
college Can’t go to a virtual university
without special equipmentsDisadvantages of a virtual university1. What are you up to this weekend?
what’s … up to口语中问对方在做什么
e.g. You look worried. What have you been up to? 你看上去很焦虑。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?Language points2. Tom, can you suggest any good books for my project?
suggest 建议, 后接宾语从句 (虚拟语气)或动名词短语。
e.g. 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)
e.g. 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。
e.g. 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。I 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。Read the sentences in italics in the first seventeen lines of the dialogue. Are the sentences used to talk about: unlikely situations in the future?
possible situations in the future?GrammarIf I don’t finish my project on the history of the Internet for next Monday’s lesson, the science teacher will be angry.
2. If it’s good, Dad, Mum and I will probably go camping.
3. We won’t go if it rains.bbb4. If I stay home, I’ll help you with your project if you like.
5. If you tell me some titles, I’ll look for them in the library.
6. If you go to the Science Museum website, you’ll find lots of good information.bbbWrite 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 doesn’t 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 the project?
3. If you (go) to that website, you (find) some interesting information.
If you go to that website, you’ll 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.
She’ll buy a computer if she gets that job.6. I (give) you the information if you (telephone) me tomorrow.
I’ll give you the information if you telephone me tomorrow.
7. What (you do) if the weather (not be) good tomorrow?
What will you do if the weather isn’t good tomorrow?8. My sister (not go) to London if she (not pass) her exams.
My sister won’t go to London if she doesn’t pass her exams.Read the sentences and decide what the people are expressing.If we had virtual reality holidays, we wouldn’t have any problems with the weather.
If they invented virtual reality holidays, I’d go on an around-the-tour. unrealistic hopes for he future
plans for the future
something that isn’t possible nowc) something that isn’t possible nowdid/werewould / could / might / should dohad donewould / could / might
/ should have donedid
should do
were to dowould / could / might / should do虚拟语气在条件从句中的用法If I _____ (win) the lottery of 1 million pound, I __________ (buy) an expensive car.wonwould buyComplete the sentences below.If I ____ (have) a lot of money, I __________ (buy) a villa (别墅).hadwould buyIf I ______ (be) a bird, I _____________ (travel) around the world.werewould travelIf I _________ (learn) how to swim,had learnt I _________________________ (not trap) on this island.would not have been trapped 1. If I had the money, I would buy a new IBM computer.
a) a student b) a millionaire
2. If I felt ill, I would stop smoking.
a) a smoker b) a non-smoker
3. If I were a teacher, I would be popular with my students.
a) a teacher b) a journalista) a studentb) a journalistb) a non-smokerWho would say these things, a or b?2. — Where are the children? The dinner’s
going to be completely ruined.
— I wish they ______ always late.
A. weren’t B. hadn’t been C. wouldn’t be D. wouldn’t have been1. George is going to talk about the geography
of his country, but I’d rather he _______
more on its culture.
A. focus B. focused C. would focus D. had focusedBA高 考 链 接3. — Shall we have our picnic tomorrow?
— ____ it doesn’t rain.
A. Until B. While
C. Once D. If
4. Owen wouldn’t eat anything _____ he
cooked it himself.
A. until B. since
C. unless D. whileDC5. All the dishes in this menu, ________
otherwise stated, will serve two to three people.
A. as B. if
C. though D. unless
6. The medicine works more effectively
______ you drink some hot water after
taking it.
A. as B. until
C. although D. if DDImagine your travel.If I went to Beijing, …Language in useIf I went to Egypt, …If I went to Paris, …If I went to London, …Think about your future. If I were a teacher, …If I lived in …If I had …Useful expressions for expressing one’s opinions:
Just think …
Wouldn’t that be great?
I feel excited just thinking about it.
Just imagine …
That could be really exciting! But I still find it hard to imagine.
I don’t really know.
I guess … HomeworkWrite about your ideal future. Think about your home, job, partner, and family, etc. Write conditional sentences to explain why you would like this kind of life.
Virtual RealityWhat is virtual reality?Virtual reality is the use of computers with sounds and pictures that make you feel as if you are in a real situation.Warm-up 什么是虚拟现实技术呢？简单地说, 就是人们利用计算机生成一个逼真的三维虚拟环境, 通过自然技能使用传感设备与之相互作用的新技术。它与传统的模拟技术完全不同, 是将模拟环境、视景系统和仿真系统合三为一, 并利用头盔显示器、图形眼镜、数据服、立体声耳机、数据手套及脚踏板等传感装置, 把操作者与计算机生成的三维虚拟环境连结在一起。操作者通过传感器装置与虚拟环境交互作用, 可获得视觉、听觉、触觉等多种感知, 并按照自己的意愿去改变“不随心”的虚拟环境。 比如, 计算机虚拟的环境是一座楼房, 内有各种设备、物品，操作者会如同身临其境一样, 可以通过各种传感装置在屋内行走查看、开门关门、搬动物品; 对房屋设计上的不满意之处, 还可随意改动。headsets, glass and special gloves and suits equipped with sensorsthe user can directly interact with a 3D (dimension) computer programme by moving ‘inside’ it.virtual reality holidays
learning to fly using virtual reality technology
playing virtual reality computer games
visiting virtual museums on the InternetWhich of these uses for virtual reality are possible now?Playing virtual reality computer games.Learning to fly using virtual reality simulator.Visiting virtual museums on the Internet.Would you like to visit the Science Museum website? Why or why not?Would you like to go to a virtual university?read the dialogueOk, you will find lots of good information at home, and don’t need to spend time traveling there.Wonderful, study in such a world-famous university without going out of our room.Read the dialogue and tell the sentences True or False.1. 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. FTF4. Virtual university is an interesting game on line instead of a real university.
5. Virtual reality holidays spend less time than real holidays.TF6. You needn’t go to the real place in virtual reality holidays but you can get real feeling of traveling there.
7. The Science Museum on line doesn’t exist in fact, just imagine it.TFRead the dialogue again and answer the questions.1. Why can’t Cathy go out this weekend?
She has to finish her project.
2. Where is Tom planning to go?
He’ll go camping if the weather is good. 3. Does Cathy have a programme for “virtual” holidays on her computer?
No.
4. Does she really think she will have the chance to go on a world tour?
No. 5. What would Tom like to do with virtual reality?
He would like to go to a world-famous university.
6. Why is Cathy so excited about the technology?
She thought she would be able to go anywhere she liked. What are the advantages and disadvantages of a virtual university?
Would you like to go to such a university? Why?Voice your opinion No limit to time and place
It is convenient to attend save transportation time don’t need to buy text material take your job as study Advantages of a virtual university Lack face-to-face communication No real experience of going to
college Can’t go to a virtual university
without special equipmentsDisadvantages of a virtual university1. What are you up to this weekend?
what’s … up to口语中问对方在做什么
e.g. You look worried. What have you been up to? 你看上去很焦虑。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?Language points2. Tom, can you suggest any good books for my project?
suggest 建议, 后接宾语从句 (虚拟语气)或动名词短语。
e.g. 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)
e.g. 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。
e.g. 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。I 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。Read the sentences in italics in the first seventeen lines of the dialogue. Are the sentences used to talk about: unlikely situations in the future?
possible situations in the future?GrammarIf I don’t finish my project on the history of the Internet for next Monday’s lesson, the science teacher will be angry.
2. If it’s good, Dad, Mum and I will probably go camping.
3. We won’t go if it rains.bbb4. If I stay home, I’ll help you with your project if you like.
5. If you tell me some titles, I’ll look for them in the library.
6. If you go to the Science Museum website, you’ll find lots of good information.bbbWrite 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 doesn’t 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 the project?
3. If you (go) to that website, you (find) some interesting information.
If you go to that website, you’ll 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.
She’ll buy a computer if she gets that job.6. I (give) you the information if you (telephone) me tomorrow.
I’ll give you the information if you telephone me tomorrow.
7. What (you do) if the weather (not be) good tomorrow?
What will you do if the weather isn’t good tomorrow?8. My sister (not go) to London if she (not pass) her exams.
My sister won’t go to London if she doesn’t pass her exams.Read the sentences and decide what the people are expressing.If we had virtual reality holidays, we wouldn’t have any problems with the weather.
If they invented virtual reality holidays, I’d go on an around-the-tour. unrealistic hopes for he future
plans for the future
something that isn’t possible nowc) something that isn’t possible nowdid/werewould / could / might / should dohad donewould / could / might
/ should have donedid
should do
were to dowould / could / might / should do虚拟语气在条件从句中的用法If I _____ (win) the lottery of 1 million pound, I __________ (buy) an expensive car.wonwould buyComplete the sentences below.If I ____ (have) a lot of money, I __________ (buy) a villa (别墅).hadwould buyIf I ______ (be) a bird, I _____________ (travel) around the world.werewould travelIf I _________ (learn) how to swim,had learnt I _________________________ (not trap) on this island.would not have been trapped 1. If I had the money, I would buy a new IBM computer.
a) a student b) a millionaire
2. If I felt ill, I would stop smoking.
a) a smoker b) a non-smoker
3. If I were a teacher, I would be popular with my students.
a) a teacher b) a journalista) a studentb) a journalistb) a non-smokerWho would say these things, a or b?2. — Where are the children? The dinner’s
going to be completely ruined.
— I wish they ______ always late.
A. weren’t B. hadn’t been C. wouldn’t be D. wouldn’t have been1. George is going to talk about the geography
of his country, but I’d rather he _______
more on its culture.
A. focus B. focused C. would focus D. had focusedBA高 考 链 接3. — Shall we have our picnic tomorrow?
— ____ it doesn’t rain.
A. Until B. While
C. Once D. If
4. Owen wouldn’t eat anything _____ he
cooked it himself.
A. until B. since
C. unless D. whileDC5. All the dishes in this menu, ________
otherwise stated, will serve two to three people.
A. as B. if
C. though D. unless
6. The medicine works more effectively
______ you drink some hot water after
taking it.
A. as B. until
C. although D. if DDImagine your travel.If I went to Beijing, …Language in useIf I went to Egypt, …If I went to Paris, …If I went to London, …Think about your future. If I were a teacher, …If I lived in …If I had …Useful expressions for expressing one’s opinions:
Just think …
Wouldn’t that be great?
I feel excited just thinking about it.
Just imagine …
That could be really exciting! But I still find it hard to imagine.
I don’t really know.
I guess … HomeworkWrite about your ideal future. Think about your home, job, partner, and family, etc. Write conditional sentences to explain why you would like this kind of life.