高中英语 Unit4 lesson1 Tomorrow s world课件 北师大必修2

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1、Lesson 1 Tomorrows World The Future of Cyberspace,Whats the future of cyberspace? How are computers and the Internet affect our lives?,shop on the Internet,communicate by e-mail,get new films on the Internet,have virtual reality schools,get all our entertainment on the Internet,have an Internet conn

2、ection in every room of the home,find husbands or wives on the Internet,A.aliens B.androids C.the Internet D.global warming E.virtual reality F.genetic engineering,Which of these topics do you think it will mention?,A. cybercriminal B.hacker C. cyberterrorist D. the Net (Internet) E.virtual reality

3、F. e-mail,1.a criminal who uses the Internet 2.a system where people can send messages(mail) to each other by computer 3.pictures made by computers that seem real-life to the person looking at them 4.someone who uses computers to harm countries ,governments and people 5. computer system that allows

4、millions of people around the world to exchange information 6.a person who enters other peoples computer programs in secret,Match the vocabulary with the definitions,A F E C D B,The number of computers connected to the Internet,Part 1,200,50 million,Its going to increase,hackers,cybercriminals,cyber

5、terrorists,banks governments,planes and trains crash,Why are some experts pessimistic about the future?,the activities of cybercriminals,young hackers get into banks governments,1. 2. 3.,cyberterrorists attack cause chaos make planes and trains crash,part2,get all sorts of information,What possible

6、changes do the optimists believe the Internet can bring to our lives?,1. 2.,already users buy books find out holiday offers book tickets all sorts of information,In the next few years an explosion of shopping get entertainment TV and postal service disappear,part3,Our future in virtual reality .,1.

7、2,the use of computers with sounds and images as if in a real situation,a part of modern life work in virtual offices shop in virtual supermarket study in virtual schools,Discussion: Do you feel pessimistic or optimistic about the future of the Internet? Why?,Homework 1.Retell the text again 2.Prepare for lesson14,Thank you,

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