课件33张PPT。Module 6 The Internet and Telecommunications
Period 1 Introduction & Reading
and Vocabulary文本研读课Ⅰ. 试根据课文语境判断出黑体单词的意义
1. A CD-ROM is a separate disk that contains lots of
information. ( )
2. The Internet is the biggest source of information in
the world. ( )包含来源; 出处3. The Internet is accessible through a computer.
( )
4. At the moment, about 80 percent of web traffic is in
English, but this percentage is going down. ( )可进入的; 可使用的百分率5. He designed the first“web browser”, which
allowed computer users to access documents from
other computers. ( ) ( )
6. The Internet has created thousands of millionaires,
but Berners-Lee is not one of them. ( )设计访问, 存取创造Ⅱ. 补全短语
1. log ______ 登录/注销
2. become known __ 作为……而出名
3. consist __ 由……组成
4. work __ 担任……
5. come ___ ____ 想出; 提出on/offasofasupwith6. go _____ 下降
7. millions __ 数以百万计的
8. break _____ 发生故障downofdownⅢ. 阅读导引
1. 列出现在网络交流的主要方式及优缺点。
2. 查阅一下Berners-Lee的背景资料。Step 1 Leading in
Look at the pictures and answer the following questions. 1. When was the first computer invented?
___________________________________
2. What does WWW stand for?
___________________________________
3. What does PC stand for?
_____________________________The first computer was invented in 1946.WWW stands for the World Wide Web.PC stands for personal computer.4. How many search engines do you know?
____________________________________Sina; Baidu; Sohu; Yahoo; Google. . . etc.Discussion:
1. How much do you know about the computer?
It contains _______________________________________
_____________. monitor, mouse, keyboard, screen, hard diskand CD-ROM2. What can we do on the Internet?
______________________
_____________________
___________________
____________________
____________
________________________(1)search for information(2)download and upload(3)do online shopping(4)chat on the Internet(5)play games(6)send an email to a friendStep 2 Fast Reading
Read the passage and match the main idea with each paragraph.
Para. 1 a. The present situation of Berners-Lee.
Para. 2 b. Berners-Lee invented the World Wide Web.
Para. 3 c. The definition of the World Wide Web. Para. 4 d. Everyone can use the Internet.
Para. 5 e. How the Internet started.
Para. 6 f. The definition of the Internet.
答案: f e c b d aStep 3 Careful Reading
Ⅰ. Fill in the table. DARPAThe US armyNSFUniversitiesand the armyWWWeveryoneⅡ. Read the passage carefully and choose the best answer.
1. DARPA made it possible for all their computers to“talk”to each other________.
A. by radio B. through the telephone
C. on TV D. by the cellphone2. The idea of the World Wide Web was brought up in________by________.
A. 1969; DARPA
B. 1984; NSF
C. 1991; Tim Berners-Lee
D. 1989; Tim Berners-Lee3. The first paragraph mainly talks about________.
A. the development of the Internet
B. how to use the World Wide Web
C. how the Internet started
D. what the Internet is4. The World Wide Web is used to________.
A. share information with other computer users
B. store important information
C. carry information to other computer users
D. make thousands of millionaires5. The following statements about Tim Berners-Lee are true EXCEPT________.
A. he built his first computer using an old television
B. he designed the first“web browser”
C. he was a scientist and once worked in Switzerland
D. he has become one of the thousands of millionairesⅢ. Sentence explanation
1. It then became possible for universities to use the system as well. 句意: ___________________________之后大学也能使用这种系统。2. The World Wide Web(the web)is a computer
network that allows computer users to access
information from millions of websites via the Internet.
分析: (1)句子的主干是一个主系表结构, ____引导一个
定语从句, 修饰__________________。thata computer network(2)allow sb. to do sth. 意思是“_______________”; via
相当于by means of/through, 意为“__________”。
句意: 万维网是一个电脑网络, 它允许电脑用户通过互
联网从数百万网站上获取信息。允许某人做某事途经, 经由3. Everyone in the world can access the Internet using
his World Wide Web system.
分析: 句子主语是everyone, 谓语动词是_________, 宾语
是___________, 现在分词短语___________________
___________作方式状语。
句意: 世界上的每一个人都可以使用他的万维网系统进
入互联网。can accessthe Internetusing his World WideWeb systemStep 4 Retelling
Fill in the blanks with proper words according to the
passage.
The Internet is the biggest 1. ______of information
in the world, and it’s accessible through a computer. It
2. _______of millions of pages of 3. ____. In 1969,
DARPA, a US 4. _______organisation, 5. _______a sourceconsistsdatadefencecreatednetwork of computers called DARPANET and only
used by the US army. Then in 1984, the US NSF started
the NSFNET network. It then became possible for
universities to use the system as well. NSFNET became
known as the 6. “________”. The World Wide Web is
a computer network that allows computer users to
7. ______information from millions of websites via the InternetaccessInternet. The World Wide Web was 8. ________in 1991
by Tim Berners-Lee, who came up with the idea in
1989. He also 9. ________the first“web browser”.
From that moment on, the web and the Internet
10. _____. inventeddesignedgrewStep 5 Group Discussion
Every coin has two sides. The Internet also has its advantages and disadvantages. Can you list some? Advantages: _______________?
_____________?
________________
Disadvantages: ________________
__________________________________
_____________________________(1)easy to contact(2)study online(3)relax ourselves(1)be bad for eyes(2)stand off the friends around him/her(3)have some unhealthy resources