文档介绍：A motto(格言) to you, my friends
Let us face the reality, so that we are committed to our ideal.
让我们面对现实，让我们忠于理想。
Mople all over the world together.
a personal computer and a laptop, and used in offices and homes since the 1970s…
1642
1936
1940s
1970s
now
The computer _____ ___ ___ _______ machine．
1822
Alan Turing ____ __ ___ ____ ________ how computers could be made to work．
Computers had _____ ___ ______ __ a room.
1960s
First as _ ____and then ___ __ ___ computers were used in offices and homes.
Computers connect people all over the world
together.
A family of computers was connected by a network.
The _________ machine was made by Charles Babbage.
began as a calculating
analytical
wrote a book to describe
grown as large as
a PC as a laptop
Para. 2
1. Pay attention to the technical words :
chip（芯片）
transistor（晶体管）
tube(电子管）
network（网络）
the World Wide Web
（万维网）
Task QUESTION-ANSWER
COMPETITION
2. Question- answer competition
Read Para 2 in 2 minutes and use 1 minute to put forward(提出)/design(设计) a question for your deskmate(同桌)to answer, and then show your work to us in pairs(两人一组).
For example:
(1) Student A: How did my memory improve ?
Student B: …
(2)
(3)
…
Para. 3
1. Find some details to support the topic
sentence in 1 minute.
That is, in what aspects
(方面) has the computer become very important ?
2. Why do “I” feel happy now according to Para 3?
Because_________________________________
1. Since the 1970s many new applications have been found for me.
communication
finance
trade
robots
mobile phones
medical operations
space rockets
exploring the Moon and Mars
My goal is to provide humans with a life of high quality.
I have become very important in the following aspects(方面).
2. Why do “I” feel happy now according to Para 3?

Because_________________________________
I am a devoted friend and