Unit3 ComputersUnit3 Computers

Warming upWarming up

Heavy!Difficult! Hard!Tired!

1. Easy!2. Fast!3. Free!

CD / DVD-ROM CRT monitor LCD monitorLCD monitor

CPU hard disc chips

/motherboard

keyboard mouse modem

scanner printer speaker

floppy disc USB flash disc

CD/DVD/VCD MP3 player

12

4

3

5

6

1. monitor 2. screen 3. CD-ROM4. mouse 5. keyboard 6. hard disk

Label each part

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) The main device that a computer uses to store information.

Match the words with their meanings.

Look at these pictures. Discuss

what they have in common.

Predict what it is going to be

about.

What’s next?

(What do they have in common?)

I think that…In my opinion…I believe that…What’s your

reason?Why do you

think so?

1.They can be used fo

r calculating.

2.They can deal with

maths problems.

3.They are our friends.

4.They are useful and

helpful.

Discussion

How useful computers are!

school workgamesemailsmusic and filmschatinformationphotosshopping

Internet

Ask and answer questions in pairs.

1. use computer for school work You Your partner

2. play games on the computer

3. send emails to friends

4. surf the Web for fun

5. download music and films

6. chat online

7. search for information

8. look at photographs

9. do shopping online

How do you use computers and the Internet?

Write out all the words you know about computers.

computer

monitor

click

software

searchupdatedownload

Internet

keyboard

Reading

Who Am I?

Predict what it is going to be about.

Warming up

Pre-reading questions

1. What have computers changed our

life?

2. What changes will they bring to us

in the future?

Task 1 SkimmingTask 1 Skimming

1. Who is the speaker in this story?

A computer.

2. Write down three sentences from

the story to support your idea.

1) I was built as an Analytical

machine by Charles Babbage.

2) My real father, Alan Turing, …

3) I was always lonely standing there by

myself, until in early 1960s they gave

me a family connected by a network.

Task 2 Fast reading1. Where were you in 1642? In France.2. What happened to you after nearly two hundred years? I was built as an Analytical Machine by Babbage.3. What were you called in 1936? A universal machine.4. What happened to you in the 1970s? I have been used in offices and homes.

1642

1822 The analytical machine was made by Charles Babbage.

1936

The computer began as a calculating machine ．

The computer grew rapidly both in size and in brainpower.

Task 3 Careful reading

1940

s

The first family of computers

was connected to each other.

1970

s

now

Computers had grown as large as a room.

1960s

Computers were used in offices and homes.

Computers connect people all over the world together.

1 completely

2 complete change

3 to make things easier

4 to find the answer using numbers

5 can be moved easily from place to place

6 to work out the answer to a problem

totallyrevolution

simplify

calculate

mobile

solve

Task 4 Fill in the blanks.

7 to travel around an area to find out about it

8 completely

9 anyway

10

activity of managing money

explore

totally

anyhowfinance

The history of computers

the second generation (1956-1963)the second generation (1956-1963)

the third generation (1964-1971)

the fourth generation (1971- )

The first generation (1945-1956)The first generation (1945-1956)

1. What is PC? Speak the name on the whole.

It means: personal computer.

2. What is IT?Information Technology.

3. What is CD-ROM?

Compact disc read-only memory.

4. What is PDA?

Personal digital assistant.

5. What is W.W.W?

World wide web.6. 科学技术。

Science and technology.7. 人工智能。

Artificial intelligence.

8.笔记本电脑。Notebook computer.

9. Who was the first person to devise the

first computer?

Charles Babbage invented an

Analytical machine in 1822.

10. Who was the computers’ real father?

Alan Turing.

Read the passage and then fill in the chart.

Reading task on Page 58 Reading task on Page 58

RECORD CARD HUA FEI

 Ability

Performance in 78th Olympics

 

Prize won

Performance in 79th Olympics

 

Reason for failure

 

Treatment  

Expert at high flying exercises: Olympic standard

Wonderful turns, dives, circles and dancesSilver medal for high flying exercisesBegan very well but failed through no fault of his own

Parachute failed to open.

Two new legs and a new bigger head

1. in common: for or by all of a group 共同的；共有的；共用的 the land owned in common by the

residents 居民共有的土地 in common 常常同 have 连用，如： have nothing in common 无共同之处 have little in common 几乎无共同之处

Language points

have something in common 有一些共同之处have a lot in common 有许多共同之处以下是从英国国家语料库中选出来的几个例句 :

1) You know, Dorothy, you and I have one

thing in common ．2) We just had nothing in common and I co

uldn't communicate with his dull business f

riends ．3) I suddenly felt we had a lot in common.

2. calculate v. work (sth.) out by using numbers

e.g. calculate the cost of sth.

calculator n.

让我们一起回忆一下以 or 结尾的词吧：

visitor, survivor, competitor

3. analytical adj. 分析的 , 解析的 analyse vt. 分析 ; 研究 analogy n. 相似 ; 类似 analysis n. 分析 ; 研究 analyst n. 分析家 analytic adj. 分析的 ; 分解的

4. artificial adj. 人工的 , 人造的 artificial flowers/limbs/pearls

假花 / 假肢 / 假珍珠 artificial intelligence 人工智

能

5. totally adv. 整个地 ; 完全地 totally blind 全盲 total adj. 完全的 ; 整个的 total silence 寂静无声 in total 总共

6. And my memory became so large that

even I couldn’t believe it!

句型： so… that… 　如此……以致于……与 too…to… 句型的相互转换

And my memory became too large for me to believe it.

eg He is so old that he can’t carry the box.

He is too old to carry the box.

此结构中的 that 从句表示结果。 The stone is so heavy that no one can lift it.

比较 : so that 既可以表结果 , 也可以表目的。

so...that... 结构的 so+ 形容词 / 副词位于句首时 , 句子用倒装结构。So hard does he work that he seldom

goes home.

7. I have also been put into robots and

used to make mobile phones as well as

help with medical operations.

1) help (sb) with sth 协助 ( 某人 ) 做某事e.g. A man is helping the police with their

enquiries.

有一男子在协助警方进行调查。

2) as well as 也，还，而且e.g. He grows flowers as well as vegetables.

She is a talented musician as well as being a photographer.

3) 这个句子是现在完成时被动语态，其机 构是 (have/has +been + 过去分词）e.g. The radio has been repaired when

we phoned the shop.

8. anyhow 无论如何 Anyhow, you can try.

无论如何你可以试试。 I don’t care what you say; I’m goi

ng to do it anyhow.

比较 : somehow 意为“以某种方式 ; 不知 怎么地”

1. Finish the Ex1 and Ex2 in Learning about Language on page20.

2. Preview the Reading at Page 18, find out

Language points and difficulties.

3. Do Section One.

Homework

Look up the words below:

in common, as a result, anyhow,

so...that, in a way, watch over.

Homework