Unit4《Cyberspace》lesson15VirtualReality课件2（北师大版必修2）.ppt

Unit 4 Cyberspace;1. Find out some information about the development of the Internet; 2. Briefly introduce the development of the Net; 3. Learn the first and second conditional.;Listening:Listen and answer: Which “websites” can you visit to do these things? a)find out what’s going on in your town b)look for a job c)find out world news d)get information for a school history project e)write to your friends by e-mail f)buy clothes ; ;;;;3. When did people start calling it the “Internet”? a) the 1980s b) the early 1990s c) the late 1990s 4. When did the Internet start to grow very fast? a) the late 1980s b) the mid-1990s c) the late 1990s;Now listen to the tape twice then do the exercise 2 on page 10;What is virtual reality？;virtual reality holidays learning to fly using virtual reality technology playing virtual reality computer games visiting virtual museums on the Internet;You have two choices. Which one do you prefer? Why? 1. A. You can go to California and attend Stanford—a world famous university this fall. B. You can take courses on line of Stanford at home and get a degree. 2. A. You make a trip to Hong Kong with your family this weekend. B. You can use computer to travel around Hang Kong, that is to say , virtual travel.;True or False;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 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. ;;Answer the questions.（P13）;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? Because she thought she would be ab