(共18张PPT)
Reading
What can you guess from the title
1. What will the text talk about
2. What do you know about it
Read and judge: (True or False)
1.There are millions of pages of information on the Internet.
2.Universities started using the Internet at the same time as the army.
3.The percentage of websites in English is getting smaller.
4.Berners-Lee was a scientist from Switzerland.
5.Tim Berners-Lee made it possible for scientists to use the Internet.
6.Berners-Lee has made a lot of money from his invention.
In 1969 DARPA developed a way for all their computers to “talk” to each other 1.____________________.
In 1984 The US National Science Foundation 2.__________________________.
In 1989 Berners-Lee 3._____________________ the World Wide Web.
In 1991 Berners-Lee 4.___________the World Wide Web.
By 2020 6.Much web traffic 5.________________.
through the telephone
started the NSFNET network
came up with the idea of
invented
could be in Chinese
Para.1
Para.2
Para.3
Para.4
Para.5
Para.6
Main idea for each paragraph (pair work)
What the Internet is
How the Internet developed
What the World Wide Web is
Berners-Lee invented the World Wide Web
Everyone can use the Internet
The present situation of Berners-Lee
Further understanding (group discussion)
1.What other big source of information can you think of
2.What happened after the US army used DARPANET for 15 years
3.Why could much traffic be in Chinese by 2020
4.What do you think Berners-Lee’s first computer was like
5.What is the “web browser”
6.How do you understand the sentence “The Internet has created thousands of millionaires, but Berners-Lee is not one of them.”
Para.1
Para.2
Para.3
Para.4
Para.5
Para.6
Retell the text according to the outline:
What the Internet is
How the Internet developed
What the World Wide Web is
Berners-Lee invented the World Wide Web
Everyone can use the Internet
The present situation of Berners-Lee
Rewrite the text according to the outline:
The Internet is the biggest 1 of information.
In 1969 DARPA 2 a way for all their computers to “talk” to each other. Then the NSFNET network was started and became 3 .
The World Wide Web is a network allowing computer users to 4 information from millions of websites 5 the Internet. It was 6 by Berners-Lee, 7 found the idea in 1989 and then made it 8 for everyone to use it.
The Internet has 9 many millionaires, but Berners-Lee now just works 10 a lecturer at Massachusettes Institute of Technology in Boston.
Key : 1.source 2.developed 3.known 4.access 5.via 6.invented 7.who 8.possible 9.created 10.as
The advantanges and disadvantanges of the internet
Have a debate!
Advantages Disadvantages
waste time;
affect one’s studies
Tired;
do harm to one’s eyes;
a waste of money
get information;
learn subjects;
e-mail to friends;
watch films;
play games
Read the text fluently
and try to write a short passage of it.