Chapter 4

computer

technology

What kind of machines uses computers?

How many electric machines are there in your home ?

Do you have a computer at home ? Is it useful ?

What do you do with the computer?

Language

ListeningReading

Speaking

Writing More practice

Read Part A and B and circle the new words ,then try to find out the meanings of them.

CD-ROM

DVD-ROM

main unitspeakers

monitor

keyboard

drivesflash disk

mouse

Vocabulary:

1.The _________shows words and

pictures.

2. We use the__________ for typing in

information.

3. The ____ _____ stores information.

4. The_________ helps us control the

computer.

monitor

keyboard

flash disk

mouse

Vocabulary:

5.We can hear the sound from the _________.

6. We put the__________or_________into the _______ .

speakersCD-ROM

drivesDVD-ROM

B Find the facts:

Computers…1. may be inside some machines in our

homes.2.can do important jobs like flying

planes.3. are already cleverer than people.

not cleverer

There are three short texts typical of information leaflets or newspaper or magazine articles in this part. Listen to the tape and try to tell the main idea of each paragraph.

NEW WORDS AND EXPRESSIONS:

2. hide v. hidden1. tiny adj. small

3. be unaware of– not knowing about e.g. The student was unaware of his mistakes.

4. probably– adv. maybe; perhaps

5. calculator--n. small electronic device

NEW WORDS AND EXPRESSIONS:

6. dependent—adj. needing someone or something. depend ----v. 依赖 ; 依靠 (on)e.g. You should not be dependent on your parents all the time.7. realize--- v. notice; know about e.g. I did not realize you were right.

8. rarely--adv. not often ;seldom

9. diagram-- n. a line drawing that shows how sth. works.

NEW WORDS AND EXPRESSIONS:

10.graph–line or lines showing the variation.

11. importantly --- adv. (adj. important)

12. operate ---v. control, keep running --- operation n. 手术

14. essential –adj. necessary; most important

13. otherwise ---conj. if not; if conditions were different

NEW WORDS AND EXPRESSIONS:

15. for the time being--- (adv. Phr.)

16. create —v. produce; make

17. judge—n. a senior law officer

18.raise—v. mention sth. for people

19.in one’s opinion 按照某人的意见20. hardly never 几乎不，难得

1.What do we call computers sometimes?

Electronic brains

2. Do computers operate railways?

Yes, they can

3. Is a computer cleverer than I am ?

The answer to this question is, for the time being, “No”…. create new ideas. …than doctors, judges and teachers…. This raises… 　

monitor 显示器 speakers 扬声器

drives 驱动器 Flash disk 闪存

keyboard 键盘 DVD-ROM 只读光碟

mouse 鼠标 CPU 中央处理器

CD-ROM 只读光盘 3D 三维

Internet 互联网 PC 个人计算机

Page 46

1.Hardly ever A. sometimes B. seldom C. often 2. tiny A. very important B. very big C. very small 3. realize A. allow B. understand C. decide

C1

4. operate A. make sth. work B. make sth. Work C. make sth. work

5. for the time being A. in the past B. at present C. in the future6. raise A. lift up B. put down C. bring to our attention

C1

A B1.Hidden a. A truck with rails

on it.2. Be unware of b. senior law officer3. Railway c. write sth. With a computer ,typewriter .4. type d. Difficult to see or find 5. judges e. do not know about

C2

Page 47

1. S1 There may be tiny computers in your home. S2 Where, for example? S1 Inside your _________, ________ or _______ _________.

D

2. S1 Computers can do many things. S2 Can you give me some examples? S1 Computers can________,_______

__________and _________.

TV set telephone

washing machine

calculate type

print draw

3. S1 Computers can do some important jobs.S2 For example?S1 They can ________ ________,_______ _________and _________.

D

4. S1 A human brain can do some things better than a computer. S2 For example? S1 It can ________ __________

_________.

Operate railways fly

planes

Creat new

spaceships

ideas

5. S1 In future, computers may change our lives a lot. S2 For example? S1 We may have ___________ __________ ___________

nothing

to do

Notes:

for example “ ”强调 举例 说明，而且一般只举同类人或物中的一个作为插入语，且用逗号隔开，可置于句首、

句中或句末 .

Many people here, for example, John, would rather have coffee.这里有许多人，例如约翰很喜欢喝咖啡。

There are many kinds of pollution, for example, noise is a kind of pollution.有许多种污染方式，例如噪音就是

一种污染。

such as “ ”用来 罗列 同类人或物中的几个例子，可置于被列举的事物与前面的名词之间，但其后边不能用逗号。

Many of the English programmes are well received, such as Follow Me, Follow Me to Science . 其中有许多英语节目，如《跟我学》《跟我学科学》，

就很受欢迎。

English is spoken in many countries, such as Australia, Canada and so on.许多国家说英语，如澳大利亚加拿大

等。

Listen to the recording, and complete the details of Mabel’sorder on Page 22.Useful words in this part:ballpoint pen 圆珠笔　 screen filter 显示屏office chair 办公椅　

TOP OFFICE SUPPLIES

Company name:______________________

Customer name:______________________

Customer No.:________________________

Hi-Lo Company

Mabel Wang

KY-73620

Reference No.

Product Colour/Size

Quantity Price

(each)

Total

J-1505 Ballpoint pens

black 3 boxes ¥38 ¥114

(1) A4 paper

(2) (3) (4) (5)

(6) (7) medium

(8) ¥190 (9)

(10) (11) (12) (13) (14) (15)

Grand total: (16)

P-1961 white 10 boxes

¥30 ¥300

C-4091 keyboard 1 ¥190

C-4083 office chair

black 1 ¥1800 ¥1800

¥2404

( P49)

The comparative ＆ superlative of adjectives

I am tall … than you.

I am tall.

er

=

动词Ａ + be + as + 形容词 / 副词

原级 + Bas +

动词Ａ + be + 形容词 / 副

词比较级

+ Bthan +

>

Ａ + be + 形容词最高级

+ 范围in/ of +

> >

the +

动词Ａ + + 副词最高级 in/ of+ + 范围

Ａ be+ +

形容词 / 副词比较级

any other + +

单数

动词than

the other

+

+ 复数

直接加 -er 、 -est 。如 small—smaller smallest 去词尾不发音的 e ，加 -er 、 -est 。

　　　　如 wide—wider widest　　重读闭音节词结尾，且词尾只有一个辅音字母的， 双

写该辅音字母，加 -er 、 -est 。 如： big—bigger biggest

以辅音字母 +y 结尾的，变 y 为 i ，加 -er 、 -est 。如easy—easier easiest, early—earlier earliest

一般双音节和多音节的形容词或副词直接在该单词前加单词 more most 构成其比较级和最高级，

如 polite—more polite most polite, politely—more politely most politely

形容词或副词比较级和最高级的变化规则

不规则变化的形容词或副词

good/well better best

bad/ill/badly worse worst

farfarther/further(距离 )/（程度）

farthest/furthest

many/much more most

late later/latter latest/last

old older/elder eldest/eldest

little less least

1. 包含形容词比较级的句子多带有一个由 than 引起的状从句，表示和什么相比，从句中有些词会省略掉：

She is taller than her elder sister. 她比她姐姐高。This book is in simpler English than the other one. 这本

书的英文比另一本容易。Life was much harder than it is today. 那时的生活比现在

苦得多。2. 有时状语从句可以省略：The weather is warmer today. 今天天气要暖和得多。Are you feeling better now? 现在你感觉好一点了吗？I’ll be more careful in future. 以后我要细心点。3. 在表示“和…一样…”时，可用“ as... as” 结构 ( 前面

的 as 后要用原形 ) ：He is as busy as before. 他还是和以前一样忙。

形容词比较级和最高级的 用法

4. 比较级前可以用表示程度的数量词，倍数，百分数等，用作状语。I’m a head taller than you. 我比你高一头。This desk is two feet longer than that one. 这张桌子比你的那张长两尺。Our room is twice as large yours. 我们的房间比你们的大两倍。5. 形容词比较级前加 much, even, still, far, a little, lot 等，加强语气。This is better by far. 这好得多。6. 比较级＋ and ＋比较级，表示“越来越。。。。。。”the+ 比较级， the+ 比较级，表示“越。。。。，就越。。。。”Our country is getting stronger and stronger. 我们国家变得越来越强大了。The farther a thing is, the smaller it looks. 一件物体越远，看起来就越小。

在空格中填入所给形容词的适当形式：1.She is two year ____________ than me. She’s the ____________ girl in our class. (young)2. Bill is __________ than Tom. He’s the __________ of the three children. (old)3.John is the ______________ boy in the class. (clever)4.Cairo is the ___________________ city in Egypt. (big)5.Her bicycle is _________________ than mine. (good)6.My cold is _______ today than it was yesterday. (bad)7.Tokyo is ______ from Beijing than from Shanghai. (far)8.This question is ________ than the other one. (simple)9.This street is ________ than Beijing Road. It’s actually the ___________street in the whole city. (narrow)10.It is __________ in Hong Kong than in Kunming. (hot)

youngeryoungest

older oldest

cleverestbiggestbetter

worsefarther

simplernarrower

narrowesthotter

把下面句子译为汉语：• The town has more than 7,000 people.

• They spend more and more money on food.

• She looked no more than sixteen.

• I saw a tiny man, less than six inches high.

• I found myself less and less interested in chemistry.

• The smaller the house is, the less it will cost to heat. 房间越小，所花费的取暖费越少。

他们花费在食物上的钱越来越多。

这个城镇的人数有 7 ， 000 多人。

我看见一个小个子男人，他的身高不到六英尺。

我发现我对化学越来越没有兴趣了。

这个城镇的人数有 7 ， 000 多人。

1.The air in Beijing is getting much _______ now than a few years ago.A. clean B. cleaner

C. cleanest D. the cleanest

2.Amy makes fewer mistakes than Frank. She does her homework _________.A. more carefully B. more carelesslyC. more careful D. more careless

4.---Which do you like _________?---I prefer this one.A. well B. best C. good D. better

3.--Who gets up ________, your father or your mother ?

--My mother.A.early B. earlier C. earliest

5.The busier he is, the _______ he feels. A. happily B. happy C. happier D. more happy

7. Sorry, I took your MP3 by mistake. I’ll be ______ careful next time.A. most B. more C. much

6. The population in the world is larger and larger. I don’t think food will be _______.

A. less expensive B. much expensiveC. more expensiveD. a little bit expensive

8 ． Ivan would like to have _______ car. He hates repairing his car so often.

A. good B. better C. a better D. best

10. Allen spent _______ time and made ______ sentences than Tony. A. fewer; more B. less; more C. much; many D. more; many

9.---How are you today, Francis?---Much _______, but my doctor says I’ll

still have to rest for another few days.A. well B. good C. better D. best

11.Of all the ball games, I like baseball _____. It’s really my favourite.

A. well B. good C. better D. best

David is going abroad for the first time and needs to buy a suitcase. He is talking to a salesman in a shop. Complete the conversation.

A1

expensive light cheap heavy big small

Salesman : Can I help you, sir ?David: Yes, I need a suitcase. Can you tell me about these two ? The red one costs ¥2500. Why is it (1) _______ than the black one ?Salesman: Because it’s made of leather, sir. The black one is made of plastic. So the black one is (2) _________ than the red one. Leather always costs more.David: I see.

more expensive

cheaper

Salesman: But on a plane, you must think about the weight. The red suitcase is (3) ______than the black one. You try them, sir.David: Oh, you’re right. The black one is much(4) _______ than the red one. But is it very strong?Salesman: Yes, it’s quite strong. It will last for years. And look at the size too, sir. The black one is (5) ______ than the red one.David: Yes. The red one is (6) ______ than the black one. That’s true. …

heavier

lighter

biggersmaller

expensive light cheap heavy big small

1.This is the smallest model._____2.2.This is the4 most expensive

model.__3. This is the oldest model.____4. This is the lightest model.____

¥3,580made in 20080.23 kg114*62.5*43 mm

a

¥1,368made in 20060.16 kg110*67*42mm

c

¥2,330made in 20070.21 kg110*60*41mm

b

ba

cc B1

B1

1.The _______________costs _________.

2.The _____________was made in ______.

3.The _____________weighs ________.

¥1580made in 20070.23 kg114*62.5*43 mm

¥1330made in 20060.21 kg110*60*41 mm

¥880made in 20060.23 kg117*64.4*53.8 mm

¥880made in 20060.23 kg117*63*47mm

¥368made in 20050.16 kg110*67*42mm

oldest model

most expensive model

2006

0.16 kg

¥ 3,580

lightest model

B2

Example: (big) Earth, the moon or the sun ?

S1: Which is the biggest, Earth, the moon

or the sun ? S2: The sun is the biggest.

B3

1.(small) a bee, a butterfly or a mosquito?

2.(large)the Atlantic, the Pacific or the Indian Ocean?

3.(valuable)iron,silver or gold?4.(hot)the North Pole, the South Pole

or the Gobi Desert?5.(heavy)a bear, a whale or an

elephant?6.(senior) a policeman, an inspector or

a chief inspector?7.(fast)a rocket, a plane or a train?

Name Art marks

Science marks

Distance of long jump (m)

Alice 84 55 3

Belinda 72 60 4

Daisy 83 81 4

Eric 79 54 5

Martin 80 68 3

Record Class__________

C

c. The comparative and Superlative of good ,bad and far1.S1 Who______________________ in art? (good) S2____________.2. S1 Who __________________in art, Belinda or Daisy? ( good) S2 _____________.3.S1 Who_____________________ in art?(bad) S2 ___________________.4. S1 Who_____________________ in science, Daisy or Eric? (bad) S2________________.5.S1 Who________________ in science, Eric or Alice?(good) S2________________.

Has the worst marks

Has better marks

Has worst marks

Eric

Daisy

Daisy

Belinda

Has the best marksAlice

Has better marks

6. S1 Who____________________incscience?(bad) S2__________________.

7. S1 Whose long jump record is _______________ Belinda’s or Martin’s (far) S2_________________.8. S1 Whose long jump record is __________?( far) S2_________________.

c. The comparative and Superlative of good ,bad and far

Has worst marks

farther

the farthest

Eric’s

Eric’s

Delinda’s

( P52)

Giving opinions, agreeing and disagreeing

Additional expressions of agreementYes, indeed.

Yes, (that’s) exactly what I think.

I agree totally /100%/completely.

That’s just what I was going to say.

I think so too.

Yes, that’s right.

How true !

( P53-54)

The answers for A& B :

A.1. longer 2. lower 3. heavier

4. more 5. better 6.faster

B. The flat there is bigger than the flat in Seaside Court, But it has fewer rooms. It is also more modern, and its price is higher, It is nearer to the school, but it is further from the market.

英文书信的格式 英文书信的格式

248 Park Street ( 寄信人住址 ) Taipei, Taiwan 105 September 8, 2002 ( 写信日期 ) Dear Susan, ( 称呼 ) I enjoyed reading your letter very much. ……………………………………………………………………………… ………………… Your friend, ( 结尾 ) Joe ( 签名 )

1 、信纸的右上角写上日期，如 September 8 ，也常用简写 Sep. 8 ；非正式的信件，年代常省略；正式的书信则不只会写上年代，还会把发信者的住址写在日期的上方。 2 、接下来在信纸的左方写收信人的称呼语，通常用 Dear 开始，再接着写名字 ( 一般都用 first name ) ，如 Dear Susan ( 亲爱的苏珊 ) ；至于名字的后面则通常打上逗号或留白。

3 、称呼语写完后，通常会先空一行才开始写信的本文。

4 、本文结束后，再写上结尾语，如 See you ( 再见 ) 、 ( With) Best wishes( 祝你平安 ) 、 Yours always ( 永远是你的挚爱 ) 、 Yours ever ( 永远爱你的 ) 、Your friend ( 你的友人 ) 、 Truly yours ( 挚友 ) 、 Sincerely yours 或 Yours sincerely 或 Sincerely ( 最诚挚的友人 ) 、 Love ( 爱人，避免用在两个男士间的信件 )… 等。

( P55-56)

The answers for A :

A. 1. F 2. T 3. F 4. F 5. T

6. T 7. T

( P30-31)

AD 公元后 Hour(s) 小时BC 公元前 And so on 等等C 摄氏度 United Nations 联合国 e.g. 例如 Weight 重量etc. 等等 Square centimeters 平方厘米Hr(s) 小时 Number 第几个。。。。，数字i.e. 那就是 Before Christ’s birth 公元前Kg 千克 For example 例如M 米 After Christ’s birth 公元后No. 第几 Kilogram 千克sq cm 平方厘米 Celsius 摄氏度UN 联合国 That is , in other words 那就是wt. 重量 Metre (s) 米

( P30-31) The answers for A& B :

A. 1. i 2. g 3. k 4. h 5. b 6. a 7. l

8. j 9. m 10. n 11. f 12. e 13. c 14. d

B.1. 40 BC 2. 200 AD 3. C

4. 588 sq cm 5. kg 6. NB

7. e.g. 8. etc. 9. No. 10.UN