Revision  1 来源，出处  2 可进入的  3 数据  4 保护，防卫  5 创造，发明  6 网络  7 涂经，经由  8 百分数  9 设计  10 文件 1.source 2.accessible 3. data 4. defence 5. create 6. network 7. via 8. percentage 9. design 10. document

Teaching aims and demands: Reading and vocabulary Important and difficult points: Important words and impressions 定语从句 it 作形式主语和形式宾语 V-ing 作方式状语

Listen to the tape and answer the questions  1 What’s the Internet?  2 How did it start?  3 What’s the World Wide Web?  4 Who invented it? 1. The Internet is the biggest source of information in the world, and it’s accessible through a computer. It consists of millions of pages of data. 2. At the very beginning, it called DARPANET created by a US defence organization. 3. The world wide web is a computer network that allows computer users to access information from millions of websites via the Internet. 4. It was invented by an English scientist, Tim Berners–Lee

Read the text again and decide if these sentence are true or false  There are millions of pages of information on the Internet.  The US army were the first people who used an Internet system.  Universities started using the Internet at the same time as the army.  The percentage of websites in English is getting smaller.  Tim Berners-Lee made it possible for scientists to use the Internet.  He has made a lot of money from his invention. T T F T F F

Read the text again and find out these language points 1.It consists of millions of pages of data. 2.They created a network of computers called DARPANET. 3.It then became possible for universities to use the system as well. NSFNET became known as the Internetwork,or Internet. 4.The World Wide Web is a computer network that allows computer users to access information from millions of websites via the internet. 5.At the moment, about 80% of web traffic is in English but this percentage is going down. 6.Berners-Lee built his first computer while he was at university using an old television. 7.He came up with the idea of the World Wide Web in 1989 while he was working in Switzerland. 8.Berners-Lee made it possible for everyone to use the Internet, not just universities and the army. 9.Everyone in the world can access the Internet using his world wide web system..

Exercise 1The disc digitally _____ in the studio, sounded fantastic at the party last night. A. recorded B ． recording C. to be recorded D. having recorded 2 It is hard ____ him ____ change his mind. A.of you to make; to B. for you to make;\ C. for you to make; to D. of you making;\ 3 Linda worked for the Minnesota Manufacturing and Mining Company, ___ as 3M. A.knowing B. known C. being known D. to be known 4 – Did you remember to give Mary the money you owned her? -- Yes. I gave it to her ____ I saw her. A.while B. the moment C. suddenly D. once 5 I don’t _____ rock ‘n’ roll. It’s much too noisy for my taste. A.go after B. go away with C. go into D. go in for A B B B D

6 -- How is Dennis getting along with his work/ -- Well, he could always _____ a new idea for increasing sales. A.come up with B. come about C. get away with D. get up 7 Anyway, that evening, _____ I’ll tell you more about later, I ended up staying at Rachel’s place. A.when B. where C. what D. which A D

Read the text again and fill in the blanks The Internet, the biggest ________________ in the world, which __________ millions of pages of ________, is __________ through a computer. In 1969, DARPA, a US _________ organisation, ___________ a new network of computers _________ DARPANET and only ___________ by the US army. Then in 1904, the NSFNET network was __________, ___________ “Internet”, and it then became ___________ for universities to use the system ____________. The web is a computer network that allows computer users to ____________ information ______ millions of websites ________ the Internet. The web ______________ in 1991 by an English scientist, who _________________the idea in He also ____________ the first “web browser”. __________________ the web and the Internet __________. source of information consists of data accessible defence created called used startedKnown as possible as well access from via was invented came up with designed From that moment on grew

Homework writing 在一次主题为 “ 中学生课余时间上网的利与弊 ” 英语讨论会上，同学们对上网 的问题争论不休，不能同一，作为班长，请你根据下列信息，做一小结性发 言． 大多数同学 １ 时间是自己的，提倡多上网． ２ 网络使我们交流方便，获得了各种新知识和信息 ３因特网使学生丰富了业余生活． 少数同学的意见 １ 上网可以，但必须限时 ２ 多数人上网是玩游戏，而并不是学习． ３ 个别同学甚至逃学多天 注意 发言开头已经给出 字数 １００ Attention, please! I am going to give you a summary of today’s discussion about whether we should go on line in our spare time ______