高级英语第一册课后练习题答案10课以后

Lesson7 The Age of Miracle Chips

I .

1)It looks like a stylized Navaho rug or the aerial view of a railroad switching

yard. It is made mostly of silicon.

2)The computer of 25 years ago was as large as a room. The miracle chip of today

is small, cheap, easy to mass produce, fast, infinitely versatile and convenient.

3)At 7:30 a. m. , when the alarm :lock burrs, the bedroom curtains swing silently

apart, the venetian blinds snap up and the thermostat boosts the heat to a cozy 70~.

The percolator in the kitchen starts burbling; the back door opens to let out the

dog. The TV set blinks on with the day's first newscast. After the news on TV comes

the morning mail, from correspondents who have dictated their messages into the

computer network. Mr. A. , still in bed, then presses a button on a bedside box and

issues a string of business and personal memos, which appear instantly on the genie

screen. After his shower, which has turned itself on at exactly the right temperature

at the right minute, Mr. A. is alerted by a buzzer and a blue light on the screen.

His boss is on his way to the office. Mr. A. dresses and goes out to the car, the

engine of which is running."

After her husband has kissed her goodbye, Mrs. A. uses the computer to do shopping

for tonight' s dinner party. Then she orders from the memory bank her favorite recipes,

tells the machine to compute the ingredients for six servings, and directs the ovens

to reach the correct temperature for each dish according to the recipe, starting

at 7:15 p.m. She then joins a televised discussion of art. Later she wanders into

the computer room where she has just learned from his headset that his drill in Latin

verb conjugation was very good.

4)Home information management systems will take over memo pads, notebooks, files,

bills and the kitchen bulletin board. And housewives will be able to do their shopping

by computer TV.

5)Hospital computers will take the place of doctors to talk to patients and they

are programmed not only to remind the pharmacy department to prepare prescriptions

but also to alert nurses to give the proper dosage at the right time.

6)In addition to the microprocessors under the hood that will help the machine

operate more efficiently, tiny computers will ease tensions and make life simpler

for the driver and passengers too. For example, at the push of a button, the driver

can get a readout on the amount of fuel in the tank, and the number of miles he can

expect to go before a refill is necessary or he can find out the miles yet to go

to a preset destination and the estimated arrival time. The best auto will contain

a small portable phone capable of reaching any number in the world in seconds,

automatic braking and a miniradar to avoid collisions.

7)In schools, computers will be more common than slide projectors, movie film

projectors and tape recorders. They'll be used from the moment school opens, through

break, through lunch period, and to the closing of the school.

8)The computer revolution is stimulating intellects, liberating limbs and

pushing mankind to a higher level of existence.

Ⅱ .

1)The breakthrough in microelectronics will change people's lives in ways no one

has ever thought of before.

2)Although at present only the rich man can afford custom made goods，the average

person will be able to afford them in the future．

3)The computer might appear to make human beings machinelike，but it can bring

some human qualities into our lives as well．

4)Personal service in medical care is regarded as the most important part of the

American life．

5)It is the young Americans who will gain most of the advantages from the

electronic revolution．

6)Right now，millions of American computer users are not able to make full use

of the computer．

Ⅲ．See the translation of the text．

Ⅳ．

1)微生物学 2)微型电路 3)缩微胶卷；缩微照片 4)显微图；微动扩大器；微写器 5)密纹唱片 6)显微照片；缩微照片 7)显微阅读器 8)微秒(百万分之一秒) 9)使微小化；使超小化 l0)微波

V．

1)miniradar超小型雷达 2)superpower超级大国 3)miniskirt超短裙

4)minipants超短裤 5)superfine过分精细的，(商品)特级的 6)minibus小型公共汽车，面包车 7)superhigh frequency超高频率 8)superhighway超级公路

9)superhuman超人的，神的，超过常人的 10)minicamera小型照相机

Ⅵ．

1)car 2)car 3)car 4)cigarettes 5)tape recorder(radio，TV set，stereo—equipment，etc．) 6)tea 7)watches 8)camera 9)airplane

10)life jacket

Ⅶ．miracle chips，silicon，calculating capability，microcomputer, screen, read-out,

keys, terminal, memory bank, compute, computer room, microelectronic revolution,

home computer system, computerize, household computer, program, information

management system, computer TV, microprocessor, magical beasts, a silicon circuit.

Ⅷ.

1)assumed, shouldered 2)vast, huge, hulking 3)huge burdens of drudgery,

a vast array of tasks 4)conducted 5)in time 6)amazing 7)order