Unit 4 Lesson 1示范公开课教学课件【北师大版必修2】.pptx

Unit 4 · Lesson 1Tomorrow’s WordAsk and discussion?Step One：Compared to 20 years ago, how do you think the technology has changed our lives?___________________________________________________________________________________________________________________________________________________________________________________________Ask and discussion答案：We have more cars and computers which/ that are more and more popular.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.Fast-reading?Step Two：Read the text and judge the following statements is true (T) or false (F)．1. In spite of the development of computers，it is unlikely to live in virtual reality. (　)2. The text infers to us that worry is necessary and computers and the Internet may do bad to us. (　)3. It is certain that in the future children will not go to school in the classroom like us. (　)Fast-reading4. According to the text, it is possible that people live in another world of outer space. (　)5. In virtual reality, you can go to work but needn’t go to the place yourself. (　)6. Because of the rapid development of Internet, television and the mail may disappear and are replaced by computers. (　)答案：1～6　FTFFTTCareful-reading?Step Three：Careful ReadingⅠ. Choose the right answers.1. The writer writes this passage in order to____.A. show us the bright future of cyberspaceB. tell people the disadvantages of the NetC. build up the future picture of the influence of the Net on our lifeD. make people know about the advantages of the NetCareful-reading2. We can infer from the passage that_______.A. cyberspace will affect people’s life greatlyB. communicating with your friends on the Internet is always secretC. the Net is sure to have a good effect on people’s lifeD. the Net is sure to have a bad influence on people’s lifeCareful-reading3. Angela Rossetto thinks that________.A. e-mail will surely replace mailB. most people think the N