Simply by analyzing a drop of blood, a doctor will be able to diagnose a birth defect or even cancer when it is in the early stage; using new technology, a material lighter but much stronger than steel can be produced.
These may sound like dreams at present. But the dreams may soon come true as research findings in laboratories are being turned into products more rapidly in the new century, according to experts participating in the fourth Asia-Pacific Economic Cooperation (APEC) Technomart, a technology exhibition and trade fair in Suzhou.　　
"Most people think nano-technology（纳米技术）is too far-fetched to be real. But in fact nano-technology has been applied in a wide range of fields, such as medicine. It is coming into our daily life," said Cheng Jiachong from a Hong Kong-based nano-technology firm.
Nano-technology based on the nanometer, the unit of which is a billionth of a meter, enables scientists to have new concepts of disease diagnosis and treatment on a molecular（分子）and atomic scale, Cheng said.　　
By using nanometer particles, a doctor can separate the fetus cells（胚胎细胞）from the blood of a pregnant woman to see if the development of the fetus is normal. This method is also being used in the early diagnosis of cancer and heart disease, he said.　　
One of the most significant impacts of nano-technology is at the bio-inorganic materials interface, according to Greg Tegart, executive advisor of the APEC Center for Technology Foresight.　　
"By combining enzymes（酶）and silicon chips we can produce biosensors. These could be implanted in humans or animals to monitor health and to deliver corrective doses（剂量）of drugs," he told the participants a technology forum during the exhibition.　　
"Nano-technology could affect the production of nearly every man-made object, from automobiles, tires and computer circuits（电路）, to advanced medicines and tissue replacement, and lead to the invention of objects yet to be imagined," said David Minns, a special advisor to the National Research Council of Canada.　　
It has been shown that carbon nano-tubes are ten times as strong as steel, with one sixth of the weight, and nano-scale systems have the potential to make supersonic transport cost- effective and to increase computer efficiency by millions of times, he said.
The experts agreed that the APEC technology exhibition and trade fair provided many chances for exchanges of innovative ideas and products.
【小题1】Realization of the dreams mentioned in the first paragraph will mainly base on ________.

A．meter

B．meter

C．meter

D．meter

Simply by analyzing a drop of blood, a doctor will be able to diagnose a birth defect or even cancer when it is in the early stage; using new technology, a material lighter but much stronger than steel can be produced.

These may sound like dreams at present. But the dreams may soon come true as research findings in laboratories are being turned into products more rapidly in the new century, according to experts participating in the fourth Asia-Pacific Economic Cooperation (APEC) Technomart, a technology exhibition and trade fair in Suzhou.　　

"Most people think nano-technology（纳米技术）is too far-fetched to be real. But in fact nano-technology has been applied in a wide range of fields, such as medicine. It is coming into our daily life," said Cheng Jiachong from a Hong Kong-based nano-technology firm.

Nano-technology based on the nanometer, the unit of which is a billionth of a meter, enables scientists to have new concepts of disease diagnosis and treatment on a molecular（分子）and atomic scale, Cheng said.　　

By using nanometer particles, a doctor can separate the fetus cells（胚胎细胞）from the blood of a pregnant woman to see if the development of the fetus is normal. This method is also being used in the early diagnosis of cancer and heart disease, he said.　　

One of the most significant impacts of nano-technology is at the bio-inorganic materials interface, according to Greg Tegart, executive advisor of the APEC Center for Technology Foresight.　　

"By combining enzymes（酶）and silicon chips we can produce biosensors. These could be implanted in humans or animals to monitor health and to deliver corrective doses（剂量）of drugs," he told the participants a technology forum during the exhibition.　　

"Nano-technology could affect the production of nearly every man-made object, from automobiles, tires and computer circuits（电路）, to advanced medicines and tissue replacement, and lead to the invention of objects yet to be imagined," said David Minns, a special advisor to the National Research Council of Canada.　　

It has been shown that carbon nano-tubes are ten times as strong as steel, with one sixth of the weight, and nano-scale systems have the potential to make supersonic transport cost- effective and to increase computer efficiency by millions of times, he said.

The experts agreed that the APEC technology exhibition and trade fair provided many chances for exchanges of innovative ideas and products.

1.Realization of the dreams mentioned in the first paragraph will mainly base on ________.

A. APEC                              B. Chinese scientist   

C. the APEC Center for Technology Foresight     D. Nano-technology

2.The length of a nanometer equals to ______.

    A.  meter         B.  meter      C.  meter        D.  meter

3. We can imply from what David Minns said that _________.

A. Nano-technology could only be used to invent new objects.

B. Nano-technology could be widely used to produce or invent objects.

C. Nano-technology is a money-consuming technology.

D. Nano-technology can not be used to improve the service of Internet.

4. Compared to steel, carbon nano-tubes are ________.

A. stronger and lighter      B. lighter but as strong

C. stronger but as light                                     D. poor in quality

When one of your car tires goes flat, there are two things you can do, you can complain and change it or, if you don't have a spare, stand helplessly beside the road and hope someone comes to your rescue. Now comes a third choice, called Quick wheel. It is designed to get disabled motorists rolling again as quickly as possible.

Quick wheel is basically a tiny emergency trailer-complete with three tough little wheels of its own-that supports the flat tire and enables the motorist to drive to a service station without losing much time or expending much energy. The product is made in the Netherlands but is owned and marketed by a US company, Quick wheel Inc. of Greenwich, Connecticut. According to the firm's president, Robert Bockweg, the product meets each of the major worries that customers relate with flat tires: safety, lost time and physical labor.

To use it, motorists simply unfold the product to its fully extended position, set it in front of the disabled tire, drive the car onto the Quick wheel's ramp(斜板) and fix a special safety strap over the tire. The tire is then locked, or cradled, in Quick wheel's metal frame. Its three wheels do the rest of the work. According to Quick wheel Inc, its product can be driven "for miles" at the speed of up to 45 miles per hour "without any noticeable change in the vehicle's braking (车辆刹车) or steering operation". The company also says that it can be used on just about any type of car, jeep, mini-van or trailer (拖车).

Bockweg says that Quickwheel will be sold first in the United States, at a price of $150. Sales agreements now being talked over should make the product ready for use in Japan, Canada and Western Europe in the near future. (words: 314 ; time :5ms)

1. What does the underlined phrase "disabled motorists" (Paragraph 1) probably mean?

A. Motorists who can't walk. 　 B. Motorists who have disabilities.

C. Drivers who can't drive on because of a flat tire. D. Drivers who are hurt in an accident.

2. According to the information in the passage, Quickwheel ________ .

A.    can be used to replace a flat tire 　

B. provides a kind of support to the flattire for a short time

C. is able to move as quickly as a wheel

D. is as changeable and lasting as an ordinary wheel

3. It is suggested but not clearly stated that Quickwheel ________ .

A. can't be used in place of a tire overlong distances

B. will be used first in the US

C. can be folded and unfolded

D. performs well over various kinds of road surfaces

4. The main purpose of writing this text is to ________ .

A. announce a business agreement

B. share information about flat tire changing

C. introduce the advantages of a new tire

D. introduce a new product-Quick-wheel

Elizabeth Clay decided to go home and spend the holiday with her parents. The next day she drove her old car along the road. ___1_____ she found she got a flat. The 22-year-old student __22___ to stop her car by the side of road in the winter night and opened the trunk. No __3___ tire.

At this time, a car __4___, Paul and Diane told Clay to __5____ them to a service station near their __6____. They arrived to see that it had no suitable tires to __7___ with her car. “Follow us home,” said Paul.

The couple called around to find a tire. No ___8____. They decided to let her use their own car. “Here,” Paul said, handing Clay a __9____ of keys. “Take our car, we ___10___ be using it over holiday.”

Clay was ___11___. “But I’m going all the way to South Carolina, and I’ll be gone for two weeks.” She ___12____them.

“We know,” Paul said. “We’ll be __13___ when you get back. Here ‘s our number if you need to __14___ us.”

Unable to believe her eyes, Clay watched as the ____15___ put her luggage into their car and then __16___ her off. Two weeks later she __17___ to find her old car cleaned inside and out with three new tires and the radio ___18___.

“Thank you so much,” she said. “How much do I ___19___?” “Oh, no, “Paul said, “ we don’t want any money. It’s our __20_____.” Clay realized that while it might have been their pleasure, it was now her duty to pass on their “do unto others” spirit.

1. A. Suddenly　　 B. Finally　　 C. Immediately　　 D. fortunately

2. A. afforded　　 B. wanted　　　 C. allowed　 　　　 D. managed

3. A. spare　　　　 B. free　　　　 C. full　　　　　　 D. empty

4. A. passed　　　 B. stopped　　　 C. paused　　　　 D. started

5. A. help　　　　 B. push　　　　 C. take　　　　　 D. follow

6. A. garage　　　 B. house　　　　 C. shop　　　　　 D. hotel

7. A. agree　　　　 B. match　　　　 C. go　　　　　　 D. deal

8. A. way　　　　 B. message　　　 C. success　　　　 D. luck

9. A. set　　　　　 B. number　　　 C. pair　　　　　　 D. chain

10. A. can’t　　　　 B. shouldn’t　 　　C. mustn’t　　　　 D. won’t

11. A. satisfied　　 B. worried　　　　 C. surprised　　　 D. disturbed

12. A. persuaded　　 B. advised　　　　 C. reminded　　　 D. promised

13. A. happy　　　 B. here　　　　　 C. away　　　　　 D. busy

14. A. get in touch with　　　　　 　 　　B. keep in touch with　

　 C. be in touch with　　　　　　 　　 D. put in touch with

15. A. repairman　　 B. cleaners　　　　 C. friends　　　　　 D. couple

16. A. sent　　　　 B. shook　　　　　 C. watched　　　　 D. drove

17. A. shocked　　　 B. happened　　　 C. returned　　　　 D. came

18. A. loaded　　　 B. fixed　　　　　 C. tied　　　　　　 D. rebuilt

19. A. pay　　　　 B. lend　　　　　　 C. give　　　　　　 D. offer

20. A. wish　　　　 B. job　　　　　　 C. duty 　　　　　　D. pleasure