新人教必修二 Unit 3 Computers-Reading[阅读课件]

精心制作的阅读课件

Unit 3 Computers

精心制作的阅读课件

monitor

screen

host computer speaker keyboard mouse

精心制作的阅读课件

Have a GuessI am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.

Do you know who I am?

abacus

精心制作的阅读课件

I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.

Do you know who I am?

calculator

精心制作的阅读课件

I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you.

Do you know who I am? notebook computer

精心制作的阅读课件

What’s next?

精心制作的阅读课件

Reading: Who am I?

精心制作的阅读课件

Listen to the tape and answer these questions.

1 Who am I?A computer.2 Who was the first person to invent the earliest computer?

Charles Babbage3 Who was the next important person to design computers?

Alan Turing

精心制作的阅读课件

Task 3 Careful reading1642 The computer began as a calculating machine. 1822 The analytical machine was made by Charles Babbage. 1936 The computer grew rapidly both in size and in brainpower.

精心制作的阅读课件

1940s Computers had grown as large as a room. The first family of computers was 1960s connected to each other. 1970s Computers were used in offices and homes. now Computers connect people all over the world together.

精心制作的阅读课件

Early days Name A calculating _________ machine Develop An analytical ________ ment machine Function Simplify difficult sums Think logically and produce an answer quickly Strong Poor

universal Solve difficult A _________ machine ____________ mathematical __________ problems

精心制作的阅读课件

Network times Tubes Large ____________ Transistors Small Small chips Develo _____________ Narrow Communication pment __________ Finance Applications ________ Trade Robots Wide Mobile phones Medical operations _______________ Space rockets Memory ________ stored in

精心制作的阅读课件

Useful phrasescalculating machine Analytical machine 计算器 分析机

card with holestechnological revolution

穿孔卡技术革命

universal machineartificial intelligence

万能机,通用机器人工智能

go byby internet

走过，过去通过网络

human race

人类

精心制作的阅读课件

Star sentences P1 L2 I followed instructions from cards with holes. 我执行穿孔卡的指令 P1 5 Earlier I was not very big, but then I became huge.早些时候我并不是很大，但是后来我变得非常大

P1 L6 However, people thought I was simple-minded until they discovered I had “artificial intelligence.”可是，人们认为我头脑简单， 直到发现我有人工智能时， 他们才不那么想了。

精心制作的阅读课件

P1 L8 As the years have gone by, I have been made smaller and smaller.随着岁月的流逝， 我被做得越来越小了

P2 L1 There were times when my size was totally changed.有段时期我的体积完全变了

P2 L3 But I was always so lonely standing there by myself,until in the early 1960s,they gave me a family connected by a network.但是我总是孤孤单

单地站在那里，直到60年代初， 人们才 给了我一个用网络连接的家庭。

精心制作的阅读课件

Discovering useful structuresAs the years have gone by, I have been made smaller and smaller. my family and I have been used by billions of people to deal with Information-----I have truly been built to serve the human race-----现在完成时的被动语态(have/has + been+过去分词)