1 A monitor is

2 The screen is

3 A keyboard is

4 A mouse is

5 A CD-ROM is

6 A hard disk is

(a) the part of a computer that stores information.

(b) the part of the computer that you type on.

(c) the part of the computer that looks like a television

(d) something you use to click on things (files, etc.).

(e) the part of the monitor that you look at.

(f) a separate disk that contains lots of information.

Match the words with their meanings.

I 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

Guess more:

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

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.

notebook computer

Do you know who I am?

A huge computer

A PCPalmtop

Who am I ?

Work in pairs. Try to put these inventions in an order according to the time when they appeared.

Then read the passage quickly and check to see if you were right.

( ) analytical machine ( ) laptop ( ) calculating machine ( ) robot ( ) PC ( ) universal machine

II. Pre-reading

251643

1. Choose the best answers

1) What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.

Comprehending:

True or False

1. Alan Turing built an Analytical Machine to solve any mathematical problems.

2. People began to realize that the computer got cleverer and smaller with time passing.

3. The computer began to communicate among the human race since it was brought into people’s homes.

4. Since the 1970s, the computer was used by people around the world through the Internet.

5. The larger the computer is, the more memory

it has.

F

T

F

T

F

2) What can you infer from the text? A. The computer has artificial intelligence. B. The computer changes a lot over the years. C. The computer was not connected by a network until in the early 1960s. D. Now the computer can only be used to deal with information.

Comprehending:

Let’s listen to the tape and

pay attention to the timeline.

While-reading:

Timeline1642:_____________________________________

1822:The Analytical Machine was made by Charles Babbage.

_____: _______________________________________

__________________

1940s: _______________________________________

_____:The first family of computers was connected to each other.

1970s:_____________________________________

Now:________________________________________

___________________________

The computer began as a calculating machine

The computer grew rapidly both in size and in brainpower.

Computers were used in offices and homes

Computers connect people all over the world together.

1936

The computer had grown as large as a room.

1960s

Paragraph 1 Paragraph 2 Paragraph 3

Topic

sentence

Supporting

details

Over time I have been changed quite a lot.

These changes only became possible as my memory improved.

Since the 1970s many new applications have been found for me.

•calculating machine•analytical machine •universal machine •PC•laptop

•tubes •transistors •chips •network•World Wide Web

•communications•finance•trade•robots•mobile phones•medical operations•space rockets•providing a life of high quality

Summary

• A topic sentence sets out the main idea of a paragraph.

• A topic sentence is usually the first or last sentence of a paragraph.

While-reading

Paragraph1

• 计算器• 分析机• 通用机器• 个人电脑• 手提电脑

• A calculating machine

• An analytical machine

• A Universal machine

• PC• laptop

Careful reading: Find out the topic sentence of each paragraph and its supporting details.

Over time I have been changed quite a lot.

Paragraph 2

• 电子管• 晶体管• 芯片• 网络• 万维网

• Tubes• Transistors• Chips• Network• World Wide Web

These changes only became possible as my memoryimproved.

1. A calculating machine could s________difficult s_____.2. An analytical machine could think l________after it was p____________by an o_________. It was considered a t__________ r____________and the start of it’s a________i___________.3.A universal machine could s______any difficult m________problem.4._____then ___I worked hard to get into university.5.His hope has become a r__________.6. PC stands for p________computer.7.Computers’ memory was stored in t____, then on t________and later on very small c______. As a result the computer t______changed its shape.

implify ums

ogicallyrogrammed perator

echnological evolution rtificial

ntelligenceolve

athematical

From on

ealityersonal

ubesransistors

hips

otally

Fill in the blanks with the new words.

8.In the early 1960s, many families were connected by the n________and many people were able to surf the net through the World Wide Web.9.The computer has many a__________. It becomes important

in c___________, f_________and trade. Robots, m________phones and space r__________all have something to do withcomputers. A__________, the computer is a great helper of the h_________r________.

etwork

pplications

ommunication inance obile

ockets

nyhow

uman ace

Paragraph 3

• 通讯• 金融• 商业领域• 机器人• 移动手机• 医疗手术• 航空火箭

• Communication• Finance• Trade• Robots• Mobile phones• Medical operations• Space rockets

Since the 1970s many new applications have been found for me.

1.Why does the writer use this question:

“WHO AM I?” as a title?

I am _________in brainpower, _______in sizeand _______in application.

strong small

wide

Further understanding:

It seems natural that the passage is written in the first person. Besides, it is able to make readers interested in the topic and easy to accept the facts.

2. Who is the speaker? And what is it like?

Post reading:Discuss in four

How useful computers are!

Anyhow, my goal is to provide humans with a life __ ______ ______. I am now truly filled with_________ that I am a devoted ________ and _______of the human race!

of high

quality happinessfriend helper

1. I was built as an Analytical machine by Charles Babbage.

2. My real father was Alan Turing, who in 1936 wrote…

solve any mathematical problem.

3.However, people thought I was simple-minded until they discovered I had “artificial intelligence”.

It is a computer.

ComprehendingComprehendingTask 1: Go over the story and discuss Task 1: Go over the story and discuss with your partner who the speaker is in with your partner who the speaker is in this story. Write down three sentences this story. Write down three sentences to support your idea.to support your idea.

Homework

• 1. Read the passage once again.

• 2. Read the new words of Unit 3.

• 3. Do Ex. 1 & 2 on page 20.

• ①Over time 经过一段时间• ② 随着时间的流逝• As time goes by…• With time going by…• As 作连词 当 .. 时候 , 随着

As time went by ， I was made smaller.

③. go by

(1)pass 经过，

You have missed the bus; it just went by.

(2) 时间流逝

① 时间慢慢过去。

(3) 机会丧失

② 勿失此良机。

Time went by slowly.

Don’t let this opportunity go by.

begin as 以…开始 同 start asas 意为“充当，作为”，后跟表示

职业或身分类的名词。The writer started as a middle school tea

cher.

这位作家是从做中学教师开始的。他在这当工程师。

He works here as an engineer.

Provide 提供• provide sb with sth=provide sth for sb 向某人

提供某物

他们给他提供了钱和衣服。They provide him with money and clothes.

They provide money and clothes for him.

拓展： supply sth to sb supply sb with sth 向某人供应某物

offer sth to sb offer sb sth

主动向某人提供某物

1. 在他看来

2. 技术革命

3. 人工智能

4. 处理信息

5. 和他的亲戚们沟通

6. 为人民服务

7. 充分利用时间

8. 编排新动作

9. 在电脑的帮助下

10.开发更好的系统

in his opinion

technological revolution

artificial intelligence

deal with information

communicate with his relative

serve the people

make full use of the time

make up new moves

with the help of a computer

create a better system

11.在某种程度上

12.取得第一名

13.提高他的智力

14.解决大问题

15.设计我们自己的机器人

16.开发程序

17.一间大房子那么大

18.19 世纪 70 年代早期

19.电脑芯片

20.轮流做某事

in a way

win first place

improve his intelligence

solve/settle big problems

design our own robots

develop programmes

the size of a large room

in the early 1870s

computer chips

take turns to do sth.

2. follow 3. sound simple 4. solve problems

5. go by 6 more and more

7. anyway

① ____, you can try, even if there is not much chance of success.

A. any way B. Anyway D. Certain D. Sure

②Father ran for a doctor; ___ mother stayed with me.

A. anyhow B. beside C. in that case D. meanwhile

8. so … that / such … that

①It was ______ fine weather ______ they decided to go mountain-climbing.

②There was ______ much rain ______ some villages were flooded.

③She left in _______ a hurry ________ she forgot to lock the door.

④That was ____ difficult a question _______ none of the students could answer it.

such

that

so that

such

that

so that

9. share with

10 deal with

①Professor Yang is working on a book ______ the war between American and Iraq.

A. deal with B. dealt with C. refer to D. dealing with

②---Do you have anything to ___ today?

---Yes, I must have a flight ticket to Beijing _____.

A. be seen to; booking

B. be seen to ; to be booked

C. deal with; booking

D. do with; booking

12. at the thought of 13. make up

14. after all

We were very tired and walked with difficulty, but we got home ____.

A. at all B. after all C. above all D. in all

15 watch over

The flowers should be ___, or else they will die in such a cold weather.

A. watched over B. watched out

C. looked out D. looked over

16.even better

1. I began only as a calculating machine in 1640, in France.

Then in 1822 I was built as an Analytical Machine by Charles Babbage.

As the years have gone by, I have been made smaller and smaller.

2. But I was always so lonely standing there by myself…

At about the same time we learned to talk to humans using BASIC.

3. There were times when my size was totally changed.