Module 2 Unit 4 Computers 课件（23张PPT）

课件23张PPT。The history of the InternetFree Talkrouter Match the words in Column A with the meanings in Column B.ecfbdgaTask 2 A. Read and match. P1 The development of the Internet and the computer.
P2 The beginning of the Internet.
P3 The various services that the Internet provides.
Task 3 A. Read P1 and answer.
1. Who first developed the concept of linking computers together?
A research team in the United States.
2. When was it developed?
In the 1960s.
3. Why did the research team want to link the computers together?
4. What difficulties did they meet with?Task 3 A. Read P1 and answer the questions.universitiesresearch
departmentsthe army share resources with each other 2. complicted & not compatible networkLocal Area Network局域网Task 3 B. Read P2 and judge.
1. Businessmen were the first to get online.

2. Only Americans can use the Interent.

3. More and more people have access to the Internet.
Task 3 B. Read P2 and judge the statements.universitiesresearch
departmentsthe armyscholarsbusinessmenAfricansAsiansEuropeansstudentsfamilieshospitalsthe police 1. smaller and smaller It is possible to use the Internet somewhere in every continent in the world. [?k?nt?n?nt]n. 洲 2. more convenient to carry aroundLocal Area NetworkWide Area Network广域网(_____ network)Interfrom one to anotherE. Read the third part of the passage and complete the table.electronic mailbrowsing on the World Wide WebThere is a wide range of services available on the Internet./ e- mailThe WWW is a very big series of connected pages containing various forms of multimedia.E. Read the third part of the passage and complete the table.electronic mailbrowsing on the World Wide Webonline messenger serviceThere is a wide range of services available on the Internet.to send instant messages to people all over the world/ e- mailTask 3 D. Finish the flow chart according to the text.Who? When? _______________________________________ developed the concept of linking computers together. ↓
The research team ____________________ to create a network.
↓
Gradually, ________________________ came online.
↓
Years later, _______________ began using the Internet too.
↓
The number of users is ______________ and it is becoming
______________________available.
↓
At the same time, the computers are becoming ________________.What? In the 1960s, a research team in the USovercame difficultiesmore and more scholarsbusinessmenincreasingmore widelysmaller and smaller and more convenient
to carry around ↓
Now, there is __________________________________on the Interneta wide range of services availableTell the history of the Internet and the development of the computer.In the 1960s, a research team in the US_______________________. ↓
The research team overcame some difficulties to create a net work.
↓
Gradually, more and more scholars__________________________ .
↓
Years later, businessmen___________________________________.
↓
Soon, more and more peple have access to the Internet
↓
At the same time, the computers ______________________________.
↓
Now, there is __________________________________on the InternetGroup activity:

imagine the wonderful services of the Internet in the future Imagine the wonderful services of the Internet in the future
As a doctor, the biggest problem in my work is that_______.
So in the future, I hope _________________________________.
As a student, the biggest problem in my study/daily life is that_________________________________________________.
So in the future, I hope _________________________________.
As a teacher, the biggest problem in my work is that_______.
So in the future, I hope _________________________________.1. Read the passage and help the characters to solve the problems by developing the new use of the Internet.

2. Watch a video about the history of the Internet ( http://v.youku.com/v_show/id_XMzUyNDcxNTAw.html ) and make a flow chart like Task 3 E.