课件17张PPT。The Internet and TelecommunicationsWhat do we usually do with it?Warming upWhat can we do on the Internet: download music.
search for information
do online shopping
4) chat on the Internet
5) play games
6) send an e-mail to a friend and cardsEvery coin has two sides.
Try to use the Internet and computers in a proper way.monitorscreenmouseCD-ROMkeyboardhard disk预习反馈source of information
consist of
millions of
US defence organisation
develop a way
create a network
也(句末)
作为...而出名
allow sb to do
此时此刻
go down
come up with
从那时起
the number of信息源由……构成数以百万的美国国防组织研发出一种方法创建一个电脑网络as wellbecome known as允许某人做……at the moment下降想出,提出from that moment on……的数量Check the meaning of these wordsaccess click on crash download email hardware Internet keyword log on off modem personal computer
software store surf website
Pre-readingDiscussion
1.Do you often surf the Internet?
2.What do you usually do when you surf
the Internet?
3.How much do you know about the
internet?
4.How much do you know about the world wide web?SkimmingWhat is mainly discussed in the text?
A The use of the internet.
B The history of the internet.
C The inventor of the internet.
D The influence of the internet.
Scanning1 What is the Internet?
2 How did it start?
3 What is the world wide web?
4 Who invented it? The biggest source of information in the world, and it’s accessible through a computerIn1969 DARPA created DARPANET, In 1984 NSF started NSFNET, also used by universities and known as the Internet.A computer network that allows computer users to access
information from millions of websites via the Internet.Tim Berners-leeHow the Internet beganDARPA DARPANET NSF NSFNET INTERNET Fill in the outline of the passage.Facts on the Internet
In 1969: DARPA created ____________
In 1984: NSF started which became known as ________then.
In 1989: He ____________ the idea of WWW.
Then he _______ the first __________
In 1991: WWW was ________by ___________
Within 5 years: _____________ Internet users rose up.
Now: Berners-Lee works as a _______ in Boston.came up with“web brouser”Internetdesignedthe NSFNET networka net of computersinventedTim Burners-Leethe number oflecturer