Transcript What is the World Wide Web?

A book on the
A computer
Internet
the
first generation (第一代) of computers.
The World Wide Web
An English scientist called Tim Berners-lee
Massachusetts Institute of Technology
马萨诸塞洲技术学院
Listen to the tape and answer the
questions:
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
What is the Internet?
How did it start?
What is the World Wide Web?
Who invented the World Wide Web?
DARPA
 The U.S. Defence ARPA
 ARPA:
Advanced Research Projects Agency
高级研究计划局
NSF
 The US National Science Foundation
美国国家科学基金会
Decide if these sentences are true (T) or false (F)
1. There are millions of pages of information on the
Internet
2. The US army were the first people who used an
Internet system.
3. Universities started using the Internet at the same
time as the army.
4. The percentage of websites in English is getting
smaller.
5. Tim Berners-Lee make it possible for scientists to
use the Internet.
6. He has made a lot of money from his invention
Decide which sentence means the same as the
extracts from the reading passage.
1.For fifteen years, only the US army could use this system of communication.
(a) The US army only used this system for 15years.
(b) After 15 years, other people were able to use it as well.
2. The World Wide Web…..allows computer users to access information…..
(a) Computer users can access information because of the World Wide Web.
(b) You need permission from the World Wide Web before you can access information.
3.About 80 percent of web traffic is in English, but this percentage is now going down.
(a) Web traffic in English is becoming less interesting
(b) The percentage of English websites is getting smaller.
4. He came up with the idea of the World Wide Web.
(a) It was his idea
(b) He found the idea in a book.
The US army
In 1984 NSFNET
In 1969
NSF
DARPA
DARPANET
Inter-Network (Internet)
The World Wide Web
Read the passage again and fill in the blanks
source of information
of
1
2
The Internet, the biggest _____
in the world, whichconsists
_____
3
date
millions of pages of _____,
isaccessible
_____
through a computer.
4
6 a new
defence
created
IN 1969, DARPA,a US______
organization, ______
5
7
called
network of computers _____DARPANET
and only
used
________
by the US army. Then in 1984, the NSFNET
8
started
known
9
network was _______,
_______
10as“Internet”, and it then
possible
became _______
for universities to use the
11
as12
well
system_______.The
web is a computer network that
13
14
access
from
allows computers users to _______
information ______
via
millions
of
websites
______
the Internet. The
15
was invented
came
web_______in
1991 by an English scientist, who ______
16
17 up with
18
the idea in 1989. He also designed
______
the first “web
From that
19moment onweb and the Internet ____.
20
browser”.____________the
grew
Language points:
Accessible adj. 易接近的
Our principal is accessible to the students.
Access n.
means of entering; entrance.
Access to the resort(度假胜地) is quite easy.
这个度假胜地很容易到达。
easy of access
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millions of
thousands of
hundreds of
scores of
dozens of
Consist of 由…组成，由…构成
The club consists of more than 200 members.
Consist in something (not in progressive
forms) : depend on （在于，存在于）
The beauty of Venice consists in the style of its
ancient buildings.威尼斯之美在于其古建筑
的风格。
Consist with 与…一致； 相符
他言行不一。
His action does not consist with his words.
Develop
vt & vi 使发达；使发展；使发育
He believes that sport can developed mind and body.
常用词组
develop the habit of doing something
养成作……的习惯
• develop an interest in something
• 培养对……的兴趣
• It be /become +adj.+ for sb./sth. to do sth.
• It is important for
the students to
常用形容词有：
learn English well.
important,
necessary, possible,
impossible, unusual,
popular
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Be known as :作为…而出名
George is known as a famous singer.
Be known for 因……而出名
The place is known for its fruit, especially its seedless
grapes.
• Be known to 被……所熟知
• It is known to us all that theory comes from practice.
• Via prep. by way of
• He sent me a letter via one of my friends.
• At the moment
此刻
• At any moment 在任何时候
• For the moment 目前，暂时
• For a moment
片刻，一会儿
• At the last moment在紧要关头
• Go down 下降
(太阳，月亮) 落下 The sun is going down.
价格下跌 Price don’t seem to be going down.
退烧 I’m glad your temperature has gone down.
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Rise vi. 升起，提高，上涨（不跟宾语）
The sun rises in the east.
Raise vt. 提高，抬起（必须跟宾语）
The student raised his hand to answer the
teacher’s question.