Unit 4 Cyberspace Lesson 1 Tomorrow’s World

课件22张PPT。Unit 4CyberspaceLesson 1 Tomorrow’s WorldThe Future of CyberspaceStep 1 Warming up Imagine life in the next twenty years .How do you think technology will change our lives ? Example :All cars will have computers. Go shopping online. Needn’t carry cash and use credit cards. Instead of going to the bank you can use a computer and a telephone to pay for bills. have virtual reality schools communicate by e-mail get new films on the Internet get all our entertainment on the Internet read newspapers on the Internet. 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 realityStep 2 Pre-reading Listen to the record of the article and check your guess to question 2 above.the Internetvirtual realityLearning vocabulary Read the article and match the vocabulary from the text below with the definitions.hacker, chaos, terrorist, the Net (Internet), virtual reality, crash1、a person who enters other people’s computer programmes in secrethacker2. The use of computers to make situations feel and look real virtual reality3. have an accident by violently hitting something 4. someone who does terrible things to harm countries, governments and peoplecrashterrorist5. computer system that allows millions of people around the world to share information the Net6. A terrible situation in which everything goes wrongchaosStep 3 While-reading Listen to the tape again and match the paragraphs with these headings . a) Pessimistic opinions b) Seeing the future c) Optimistic opinions d) The Internet growth2431Questions: Read the passage carefully and answer the following questions.Why are some experts pessimistic about the future?1. One worry is crime in cyberspace. Young hackers can get into the computers of banks and governments. 3. Terrorists “attack” the world’s computers, cause chaos, and make planes and trains crash. 2. What possible changes do some experts believe the Internet can bring to our lives?already 1.Users can buy books, find out about holiday offers, book tickets and get all sorts of information from the Internet .In the next few years 2. We are going to see a huge growth in shopping on the Internet . We will get entertainment from the Net .TV and mail service may disappear.3.How is our future in virtual reality ? 1.The use of computers with sounds and pictures that makes you feel as if you are in a real situation . 2.Virtual reality will become a part of modern life. People live and work in virtual offices, shop in virtual supermarkets and study in virtual schools1.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∧andbookCorrect the errors of the sentences. Step 4 Post reading4. In 1983, there were only 200 computers connect to the Internet. 5. It is clear we can use ... ...