理工类职称英语B级篇完形填空整理答案

1、*第六篇 Car Thieves could Be Stopped Remotely远程制止偷车贼 Speeding off in a stolen car, the thief thinks he has got a great catch. But he is in a nasty surprise. The car is fitted with a remote immobilizer and a radio signal from a control center miles away will ensure that once the thief switches the engin

2、e(1) off , he will not be able to start it again. For now, such devices (2) are only available for fleets of trucks and specialist vehicles used on construction sites. But remote immobilization technology could soon start to trickle down to ordinary cars, and (3) should be available to ordinary cars

3、 in the UK (4) in two months. The idea goes like this. A control box fitted to the carincorporates (5) a miniature cellphone, a microprocessor and memory, and a GPS satellite positioning receiver. (6) If the car is stolen, a coded cellphone signal will tell the unit to block the vehicles engine mana

4、gement system and prevent the engine (7) being restarted. There are even plans for immobilizers (8) that shut down vehicles on the move, though there are fears over the safety implications of such a system. In the UK. an array of technical fixes is already making (9) life harder for car thieves. “Th

5、e pattern of vehicles crime has changed,” says Martyn Randall of Thatcham, a security research organization based in Berkshire that is funded in part (10) by the motor insurance industry. He says it would only take him a few minutes to (11) teach a novice how to steal a car, using a bare minimum of

6、tools. But only if the car is more than 10 years old. Modern cars are a far tougher proposition, as their engine management computer will not (12) allow them to start unless they receive a unique ID code beamed out by the ignition key. In the UK, technologies like this (13) have helped achieve a 31

7、per cent drop in vehicle-related crime since 1997. But determined criminals are still managing to find other ways to steal cars. Often by getting hold of the owners keys in a burglary. In 2000, 12 per cent of vehicles stolen in the UK were taken using the owners keys double the previous years figure

8、. Remote-controlled immobilization system would (14) put a major new obstacle in the criminals way by making such thefts pointless. A group that includes Thatcham, the police, insurance companies and security technology firms have developed standards for a system that could goon the market sooner th

9、an the (15) customer expects.*第七篇 An intelligent car智能汽车Driving needs sharp eyes, keen ears, quick brain, and coordination between hands and the brain. Many human drivers have all (1) these and can control a fast-moving car. But how does an intelligent car control itself?There is a virtual driver in

10、 the smart car. This virtual driver has “eyes,”“brains”，“hands” and “feet”，too. The mini-cameras (2) on each side of the car are his “eyes,” which observe the road and conditions ahead of it. They watch the (3) traffic to the cars left and right. There is also a highly (4) automatic driving system i

11、n the car. It is the built-in computer, which is the virtual drivers “brain. ” His “brain” calculates the speeds of (5) other moving cars near it and analyzes their positions. Basing on this information, it chooses the right (6) path for the intelligent cars, and gives (7) instructions to the “hands

12、”and “feets”to act accordingly. In this way, the virtual driver controls his car.What is the virtual drivers best advantage? He reacts (8) quickly. The mini-cameras are (9) sending images continuously to the “brain”. It (10) completes the processing of the images within 100 milliseconds. However, th

13、e worlds best drier (11) at least needs one second to react. (12) Besides, when he takes action, he needs one more second.The virtual driver is really wonderful. He can reduce the accident (13) rate considerably on expressway. In this case. Can we let him have the wheel at any time and in any place?

14、 Experts (14) warn that we cannot do that just yet. His ability to recognize things is still (15) limited. He can now only drive an intelligent car on expressways.*第八篇 Why India Needs Its Dying Vultures印度为什么需要濒临灭亡的秃鹰 The vultures in question1 may look ugly and threatening, but the sudden sharp l dec

15、line in three species of India's vultures is producing alarm rather than celebration, and it presents the world with a new kind of environmental 2 problem . The dramatic Decline in vulture numbers is causing widespread disruption to people living in the same areas as the 3 birds .It is also caus

16、ing serious public health problems 4 across the Indian sub-continent3. While their reputation and appearance may be unpleasant to many Indians, vultures have 5 long played a very important role in keeping towns and villages all over India clean. It is 6 because they feed on dead cows. In India, cows

17、 are sacred animals and are 7 traditionally left in the open6 when they die in their thousands upon thousands5 every year. The disappearance of the vultures has 8 led to an explosion in the numbers of wild dogs feeding on the remains of these dead animals. There are fears that rabies may _ 9 increas

18、e as a result. And this terrifying disease may ultimately affect humans in the region, since wild dogs are its main carriers. Rabies could also spread to other animal species, causing an even greater problem in the 10 future .The need for action is 11 urgent , so an emergency project has been launch

19、ed to 12 find a solution to this serious vulture problem. Scientists are trying to identify the disease causing the birds deaths and, if possible, develop a cure. Large-scale vulture 13 deaths were first noticed at the end of the 1980s in India. A population survey at that time showed that the three

20、 species of vultures had declined 14 by over 90 per cent. All three species are now listed as "critically endangered"8. As most vultures lay only single eggs and 15 take about five years to reach maturity, reversing their population decline will be a long and difficult exercise.*第九篇Wonder

21、Webs奇妙的网 Spider webs are more than homes, and they are ingenious traps. And the worlds best web spinner may be the Golden Orb Weaver spider. The female Orb Weaver spins a web of fibers thin enough to be invisible to insect prey, yet (1)tough enough to snare a flying bird without breaking. The secret

22、 of the webs strength? A type of super-resilient (2)silk called dragline. When the female spider is ready to (3)weave the webs spokes and frame, she uses her legs to draw the airy thread out through a hollow nozzle in her belly. Dragline is not sticky, so the spider can race back and forth along (4)

23、it to spin the webs trademark spiral.恒星英语论坛 Unlike some spiders that weave a new web every day, a Golden Orb Weaver (5)reuses her handiwork until it falls apart, sometimes not for two years. The silky thread is five times stronger than steel by weight and absorbs the force of an impact three times b

24、etter than Kevlar, a high-strength human-made (6)material used in bullet-proof vests. And thanks to its high tensile strength, or the ability to resist breaking under the pulling force called tension, a single strand can stretch up to 40 percent longer than its original (7)length and snap back as we

25、ll as new. No human-made fiber even comes (8)close . It is no (9)wonder manufacturers are clamoring for spider silk. In the consumer pipeline: High-performance fabrics for athletes and stockings that never run. Think parachute cords and suspension bridge cables. A steady (10)supply of spider silk wo

26、uld be worth billions of dollars but how to produce it? Harvesting silk on spider farms does not (11)work because the territorial arthropods have a tendency to devour their neighbors. Now, scientists at the biotechnology company Nexia are spinning artificial silk modeled after Golden Orb dragline. T

27、he (12)first step: extract silk-making genes from the spiders. Next, implant the genes into goat egg cells. The nanny goats that grow from the eggs secrete dragline silk proteins in their (13)milk . “The young goats pass on the silk-making gene without (14)any help from us,” says Nexia president Jef

28、frey Turner. Nexia is still perfecting the spinning process, but they hope artificial spider silk will soon be snagging customers (15)as fast as the real thing snags bugs.*第十篇 Chicken Soup for the Soul：Comfort Food Fights Loneliness心灵鸡汤：爽心食品排解孤独感    Mashed potatoes, macaroni and chees

29、e, may be bad for your arteries1 but according to a study in Psychological Science, theyre good for your heart and 2 emotionsThe study focuses on “comfort food” and how it makes people feel "For me 3 personally ,food has always played a big role in my family,” says Jordan Troisi, a graduate stu

30、dent at the University of Buffalo, and lead author on the studyThe study came out of the research program of his coauthor Shira GabrielIt has 4 looked at non-human things that may affect human emotionsSome people reduce loneliness by bonding with their 5 favorite TV show, building virtual relationsh

31、ips with a pop song singer or looking at pictures of loved onesTroisi and Gabriel wondered if comfort food could have the same effect 6 by making people think of their nearest and dearest. In one experiment, in order to make 7 participants feel lonely, the researchers had them write for six minutes about a fight with someone close to themOthers were given an emotionally neutral writing assignment. Then, some people in each 8 group wrote about the experience of eating a comfort food and others wrote about eating a new food9 Finally ,the research