Chapter 2 Computers more practice

(共18张PPT)
9A Unit 4
1960s
Make your prediction
1. WHO developed the concept of the Internet
A) A research team. B) A scientist. C) A computer talent.
2.WHEN was the concept of the Internet first introduced to people
A) In the 1940s. B) In the 1960s. C) In the 1980s.
3. WHY did people want to create the Internet at first
A) To do research. B) To send e-mail. C) To share resources.
4. WHAT were computers like in the past
A) Very small. B) Very large. C) Not complicated.
Guess the meaning of the word
Another problem was that they were complicated and not compatible with each other.
The research team had to overcome these difficulties to create a network that could share computing power.
be able to work together
1960s
gradually
Gradually, more and more scholars came online.
At the same time, the computers are becoming smaller and smaller, and more convenient to carry around.
Gradually, more and more scholars came online.
At the same time, the computers are becoming smaller and smaller, and more convenient to carry around.
Years later, businessmen began using the Internet too.
The number of users is increasing all the time and it is becoming more widely available across the world.
B
In fact, it is possible to use the Internet somewhere in every continent in the world.
C
A
Gradually, more and more scholars came online.
At the same time, the computers are becoming smaller and smaller, and more convenient to carry around.
Years later, businessmen began using the Internet too.
C
The number of users is increasing all the time and it is becoming more widely available across the world.
B
In fact, it is possible to use the Internet somewhere in every continent in the world.
A
1960s Gradually
Computers large, complicated
and not ___________ smaller and _______
Internet users research teams scholars, __________ and many more people
Places where Internet is available universities, __________________ and the army somewhere in every _________ in the world
Complete the following trends
compatible
smaller
businessmen
research departments
continent
The history of the Internet
as large as …
complicated
not compatible
more and more…,
more widely available
smaller and smaller
…
1960s
gradually
nowadays
There is a wide range of services available on the Internet.
to send electronic mail (e-mail)
to browse on the World Wide Web
to send instant messages
Do you know …
…
In groups, imagine the smart services of the Internet in our life.
Discuss from the following points:
learning
entertainment
communication
daily life
…
Assignments
Oral work: Retell the whole passage to partners.
Written work: Write an 80-word passage about ‘The Smart Services of the Internet’.
Optional work:
1. Visit en.wikipedia.org/wiki/History_of_the_Internet to find more information about the history of the Internet.
2. Visit www. to experience Expo Shanghai Online.
2010.11.08