高中英語(yǔ) Unit 3 Lesson1課件 北師大版必修1.ppt

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Unit 4 Cyberspace,Lesson 1 Tomorrow's World,Look at some pictures, compare them and tell us the differences between them.,smart,convenient,multi-functional,send SMS, call, alarm clock, games, take photos, mp3, go on line …,typical cell phone,,,Only for calls,Have you ever seen such a camera?,Digital camera,,,gramophone,mp3,walkman,mp4,Can you imagine what a computer looked like in the 1980s?,But in the 21st century, …,,,1. Imagine what happens in life in the next few years.,2. How do you think the Net will change our lives?,Look at the title of the article. Which of these topics do you think it will mention?,* the Internet * artificial human * time travel * robots * global warming * virtual reality,Read the article quickly and check your guess to the question above.,the Internet, virtual reality,With the development of computers, our life may change in shopping and communicating ways. The text infers to us that worry is not necessary, computers and the Internet only do good to us. Some experts say in the future we will not go to school in the classroom like us.,True or False,T,F,T,4. In the future it is possible that people live in another world of outer space. 5. The text tell us you can do many things but needn’t go to the place yourself. 6. Because of the rapid development of Internet television and the mail will be replaced by computer.,F,T,T,Learning vocabulary,Match the vocabulary from the text below with the definitions.,hacker, chaos, terrorist, the Net (Internet), virtual reality, crash,A person who enters other people’s computer programmes in secret,hacker,The use of computers to make situations feel and look real,virtual reality,Have an accident by violently hitting something,crash,Someone who does terrible things to harm countries, governments, and people.,terrorist,Computer system that allows millions of people around the world to share information,the Net,A terrible situation in which everything goes wrong.,chaos,In the last thirty years, the Internet grew rapidly. 2. Terrorist may “attack” the world’s computers, cause chaos, make planes and trains crash. 3. It is convenient to order tickets from the internet.,has grown,and,book,,∧,,Correct error,4. In 1983, there were only 200 computers connect to the Internet. 5. It is clear we can use internet to do all kinds of things at home. 6. Personally, I’m optimistic about the future of internet.,connected,,that,the,∧,∧,7. As society develops, computers will make our life much convenient. 8. The mail service may also disappear as the increasing use of e-mail.,more,with,,,1. What possible changes do some experts believe the Internet can bring to our lives?,We can feel convenient, and we can do all kinds of things on the Internet at home, such as buying books, reading news, booking tickets and so on.,Some traditional things will disappear. We may live and work in a virtual world.,2. Why are some experts pessimistic about the future? List three things.,Hackers can get into the computers of banks and governments so that change data or steal away important information.,,Terrorists will attack the world’s computers, cause chaos, make planes and trains crash.,,pessimistic,hackers,Cyber terrorists,,,,now,in the future,,,,,,,,,,,,,,,cybercriminal,,optimistic,,in the future,get entertainment,,TV & mail service will disappear,,already,,,in the next few years,shop on the Internet,,get information,buy books,,find out holiday offers,book tickets,,,,,,,,Voice your opinion,Do you feel pessimistic or optimistic about the future of the Internet? Why?,1. Finish exercise 4, 5 and 6 on Page 55. 2. 優(yōu)化設(shè)計(jì)Page 2-6. 3. Grammar 1 on Page 92.,Homework,