Unit 3 Computers period 1,warming up and reading

课件23张PPT。period oneUnit 3 ComputersWhat can you doby using computers?Brainstorm:I use the computer to:type my homework
draw pictures
play games
communicate with my friends.
gather related information for my lessons
buy the things I like,
listen to music
watch movies. …
Who is the inventor of the computer?
What’s the history of the computer?What’s the meaning? Quizabacuscalculating machineIt can simplify difficult sums.（简化数据计算器） It is built to solve any mathematical problems. But it is too big. (全能机、普遍机)universal
machinecalculatorlaptop A robot What do they have in common?This is a short ________ of the ______________ of computers.The main idea of the passage:historydevelopmentQuestions:Who am I ? (Who is the speaker?)ComputerHow is the passage organized? According to time.What’s the topic sentence of each Paragraph? Over time I have been changed quite a lot.These changes only became…improved.Since the 1790s many new … for me.*calculating
machine
*analytical
machine
*universal
machine
*pc
*laptop
*tubes
*transistors
*chips
*network
*WWW*communications
*finance
*trade
*mobile phones
*medical operations
*providing a life of high quality
Timeline 1642: __________________________
_______________________________
1822: The analytical machine was
made by Charles Babbage.
________:___________________________
_______________________________
1940s:__________________________
_______________________________
The computer began as a
calculating machine.The computer grew rapidly
both in size and in brainpower.The Computers had grown
as large as a room1936_____: The first family of computers
was connected to each other.
1970s: _________________________
_______________________________
Now:___________________________
_______________________________
_______________________________1960sComputers were used in
offices and homes.Computers connect people
all over the world together.Homework:背单词，Unit3 全部黑体，明天上课听写
订正试卷
读课文2次，试着自己翻译，把不懂的词汇查出来写上。

.Group discussion and
individual(个体的) reportWhat will computers look like
in the future?
2. What can they do? a short essay with 80 to 100 words
(use metaphors(比喻) if possible)The computer of the future
The computer is the most exciting
invention of the 20th century. Over the years it has changed a lot. I think
the future computer will look like a
pocket book which can be carried everywhere with the owner. It will have no keyboard or mouse. What the owner needs to do is to tell the computer his or her wishes.
What the future computer will look likeThe computer of the future
The computer will act as the owner’s best friend. It will share joy
and sorrow with the owner and help overcome difficulties. Besides, it is also a doctor that will take very good
care of its owner.
Certainly the future computer will be of different shapes and kinds and there will be more functions.
What the future computer can do makes a conclusion Homework:Read the text with the tape after class and retell the history of computer by using the timeline (point out the phrases that are useful in making a chronology年表 for the story).
Design a conversation with your partner on Page 19, Exercise 3.
Surf the Internet to get more latest information about computers.