unit4lesson1课件.ppt

《unit4lesson1课件.ppt》由会员分享，可在线阅读，更多相关《unit4lesson1课件.ppt（26页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Do you like playing computer?What do you often use your computer for?Since you like surfing on the Internet,can you tell me a word that describes the place where messages,Information,pictures,etc.are sent from one computer to another.cyberspaceLook at the title of the article.Which of these topics d

2、o you think the text will mention?*the Internet *artificial human *time travel *robots global warming*virtual reality （虚幻（虚幻/模拟现实）模拟现实）Task1.Go through the article and check your guess above.(1minute)Task2.Match the paragraphs with these headings in two minutes.a)Pessimistic opinionsb)Our future in

3、virtual realityc)Optimistic opinionsd)The Internet growth1234The structure of the article:The growth of the InternetPessimistic opinionsOptimistic opinionsVirtual realityIntroductionDifferent opinionsPredictionCareful-readingA person who enters other peoples computer programmes in secrethackerThe us

4、e of computers to make situations feel and look realvirtual realityHave an accident by violently hitting somethingcrashSomeone who does terrible things to harm countries,governments,and people.terroristComputer system that allows millions people around the world to share informationthe NetA terrible

5、 situation in which everything goes wrong.chaos*crash *terrorist*virtual reality*hacker*the Net*chaos*电脑黑客电脑黑客*模拟现实模拟现实*使撞毁使撞毁*恐怖分子恐怖分子*网络网络*混乱混乱,无秩序无秩序Para 1:Fill in the blanks below:In the last thirty years,the Internet has _ _.grownrapidlyIn 1983only _ computers connected to the InternetNow there

6、 are around _In the futurethe _ is going to continue20050 milliongrowthRead paragraph2 and 3,and find out detailed information of the two different opinions.Tip:we can do it according to the time“now”and“in the future”.pessimistichackersCyber terroristsnowin the futurecybercriminaloptimisticin the f

7、utureget entertainment TV&mail servicewill disappearalreadyin the next few yearsshop on the Internetget informationbuy booksfind out holiday offersbook tickets2.What can we do in the future*work in virtual offices*shop in virtual supermarkets*study in virtual schools1.Whats virtual reality?The use o

8、f computers with sounds and pictures that make you feel as if you are in a real situation.Para 4:using virtual reality?In your opinion,is the writer optimistic or pessimistic about the future of the Internet?Voice your opinion Do you feel pessimistic or optimistic about the future of the Internet?Wh

9、y?How can you make good use of cyberspace?Computer is neither good nor bad,but all depends on what use is made of it.金钱本身无好坏，要看怎样利用它。金钱本身无好坏，要看怎样利用它。SummaryThe article talks about _.Different people have different ideas.Some are_.They worry about the crime,hackers and terrorists in cyberspace.Howeve

10、r,many people are_.They think computer can make our life easier.People can buy books,_ticket,etc.Some experts believe that we will live in a_ in the future.the future of cyberspacepessimisticoptimisticbookvirtual worldHomeworkWriting:Do you feel pessimistic or optimistic about the future of the Internet?E-mail your writing to me.My e-mail address:Why?