Unit4SectionTwoTomorrowsWorld（北师大版必修2）课件.ppt

Unit 4 Cyberspace;Welcome to our school;Lesson 1 Tomorrow’s World;Step 1 Warming up;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?; Listen to the record of the article and check your guess to question 2 above.;Learning vocabulary;1、a person who enters other people’s computer programmes in secret;3. have an accident by violently hitting something ;5. computer system that allows millions of people around the world to share information ;Step 3 While-reading;Questions:; 2. What possible changes do some experts believe the Internet can bring to our lives?;3.How is our future in virtual reality ?;;;;Useful Expressions; 1. affect our lives Line 1 2. in the last thirty years =in the past thirty years 3. in the past Line 4 4.connect to Line 10 5.be pessimistic about;Line 21 6. be optimistic about Line 24 7. find out holiday offers Line 25 8. all sorts of Line 32 9.a huge growth of shopping on the Net Line 36 10. get entertainment Line 39 11. mail service Line 46 12 as if =as though;Homework;