课件22张PPT。The Internet and TelecommunicationsBook 1 M6123send E-mail 4chatplay games5shoppingLearning Aims
1. to learn the development of the Internet
2. to learn the father of the World Wide Web ------ Berners-lee
3. to discuss the advantages and disadvantages of surfing the Internet the biggest source of information consist of millions of pages of data accessible through a computer 1. What is the Internet?accessible = can be reached ,entered and used7Fast Reading It’s a computer network. access information via the Internet 2. What is the World Wide Web?through8Fast Reading How did the Internet start and develop? 196919841991DARPA developed a way for all their computers to talk to each other through the telephone.NSF started the NSFNET network.The World Wide Web was invented by Tim Berners-lee.armyuniversityeveryoneCareful ReadingBerners-Lee won the engineering prize for the World Wide Web10 Berners-Lee & WWWFill in the formUse an old televisionCame up with the idea Invented the World Wide Web A lecturer11Built his first computer121.It then became possible for universities to use the system as well.
活学活用
翻译：
对我们来说把大量的时间花在玩电脑游戏上是不明智的.
It is unwise for us to spend too much time in playing computer games.132. Berners-Lee made it possible for everyone to use the Internet.
活学活用
翻译 :网络使我们了解国内外最新的消息变得容易了。
The Internet makes it easier for us to learn the latest news both at home and abroad.The Internet is _______(access) through a computer, and it _______(consist) of millions of pages of data.
A US denfence organization created a network of computers______(call) DARPANET. In 1984, NSF started the NSFNET network. It then became possible
for universities _______(use) the system as well. NSFNET became _______(know) as the Inter—Network, or Internet.
Tim Berners—Lee made _____ possible for everyone to use the Internet. He designed the first web browser ,________allowed computer users to access _______(document) from other computers.
Everyone in the world can access the Internet______(use)his World Wide Web system. Now Berners—Lee works _____ a lecturer at a famous university.14accessibleconsistscalledto useknownitwhichdocumentsusingas15millionairesZuckerbergwatching moviesshoppingsending emails chattingplaying gameslearning Englishlistening to musicAmusementService Learning Communi-cating accessing information payingtaking classesDiscuss the advantages of surfing the Internet? We can enjoy ourselves by---
It’s convenient for us to do ---
The Internet makes it easier for us to do---17advantages181）Being addicted to the Internet not only -----but also----
2）We are likely to -----the disadvantages of surfing the Internet What’s your bad habits of surfing the Internet?
How to avoid them?19 Going Online
Going online has become more and more popular with students.
In my opinion, there are some advantages . Above all, we can _________________(娱乐) on the Internet, such as listening to music, watching movie. Besides, ________________(方便) for us to do shopping online. What’s more, the Internet ___________________（使得我们变得容易）to learn the latest news and ___________________(交流) friends far away from us . it is convenientenjoy ourselvesmakes it easier for uscommunicate with However, there are some disadvantages. _________________(沉迷于)the Internet not only wastes time but also ___________(对—有伤害) our health. Besides, without much experience, we are likely to _____________(欺骗) on the line.
In my opinion , we should ________________(明智地使用) the Internet.does harm to be cheatedmake wise use ofBeing addicted to
网络在人们生活中起很大作用,请谈一下网络给大家带来好处和负面影响，并给出你的建议。22Homework
