单选题The company {{U}}recommended{{/U}} that a new petrol station be built here. A.ordered B.insisted C.suggested D.demanded

单选题Passive Smoking Is Workplace Killer Pressure mounted on Britain on Monday to take action on (51) smoking with new research showing second - hand smoke (52) about one worker each week in the hospitality industry (服务行业). Professor Knorad Jamrozik, of Imperial (帝国的) College in London, told a conference on environmental tobacco that second – hand (53) kills 49 employees in pubs, bars, restaurants and hotels each year and contributes to 700 deaths from lung cancer, heart (54) and stroke across the total national work force. "Exposure in the hospitality (55) at work outweighs (超过) the consequences of exposure of living (56) a smoker for those staff," Jamrozik said in an interview. Other (57) have measured the levels of exposure to passive smoking but Jamrozik calculated how it would translate into avoidable deaths. His findings are (58) on the number of people working in the hospitality industry in Britain, their exposure to second - hand smoke and their (59) of dying from it. Jamrozik said the findings would apply to (60) countries in Europe because, to a greater or (61) extent, levels of smoking in the community are similar. Professor Carol Black, president of the Royal College of Physicians, which sponsored the meeting, said the research is proof of the need for a ban on smoking in (62) places. "Environmental tobacco smoke in pubs, bars, restaurants and other public places is (63) damaging to the health of employees as well as the general public," she said in a statement. "Making these places smoke - free not only protects vulnerable (易受伤害的) staff and the public, it will (64) help over 300,000 people in Britain to stop smoking completely," she added. Ireland recently became the first country to introduce a national ban on smoking in public (65) . New York and parts of Australia have taken similar measures.

单选题During his lifetime he was able to accumulate quite a fortune.

单选题The senator was {{U}}offended{{/U}} by the reporter's silly questions.

单选题The article sketched the major events of the decade.

单选题The {{U}}gorgeous{{/U}} girl standing over there is my younger sister. A. ridiculous B. ugly C. peculiar D. lovely

单选题He spoke in such a pleasant manner that I felt at ease with him at once.

单选题The union representative put across her argument very effectively.

单选题A great deal has been done to remedy the situation.

单选题Exercise Can Replace Insulin for Elderly Diabetics Most older people with so-called type Ⅱ diabetes could stop taking insulin if they would do brisk exercise for 30 minutes just three times a week, according to new medical research results reported in the Copenhagen newspaper Berlingske Tidende on Monday. Results from tests conducted on diabetics at the Copenhagen Central Hospital Rigshospitalet's Center for Muscle Research showed that physical exercise can boost the body's ability to utilise insulin by 30 percent, the newspaper reported. This is equal to the effect most elderly diabetics get from their insulin medication today, it said. Researchers had a group of non-diabetic men and a group of men with type Ⅱ, all more than 60 years of age, exercise on bicycles six times a week for three months. After the three months the doctors measured how much sugar the test subjects' muscles could utilise as a measure for how well their insulin worked. Associate Professor Dr. Flemming Dela of the Muscle Research Center said the tests demonstrated that the exercising diabetics had just as high insulin utilisation as the healthy non-exercising persons. "This means that the insulin works just as well for both groups. Physical exercise cannot cure people of diabetes, but it can eliminate almost all their symptoms. At the same time it can put off the point at which they have to begin taking insulin or perhaps completely avoid insulin treatment, " Dela was quoted as saying. Insulin isa hormone produced by the pancreas, controlling sugar in the body and used against diabetes. Dela said that to achieve the desired effect diabetics need only exercise to the point where they begin to work up a sweat, but that the activity has to be maintained since it wears off after five days without sufficient exercise. Most diabetics realise that they have to watch their diet while remaining unaware of the importance of exercise, Dela added.

单选题 Find Yourself Packing It On? Blame Friends Obesity can spread from person to person, much like a virus, researchers are reporting today. When one person gains weight, close friends tend to gain weight, too. Their study, published in The New England Journal of Medicine, involved a detailed analysis of a large social network of 12,067 people who were been closely followed for 32 years, from 1971 to 2003. The investigators knew who were friends with whom as well as who was a spouse or sibling or neighbor, and they knew how much each person weighed at various times over three decades. That let them reconstruct what happened over the years as individuals became obese. Did their friends also become obese? Did family members? Or neighbors? The answer, the researchers report, was that people were most likely to become obese when a friend became obese. That increased a person's chances of becoming obese by 57 percent. There was no effect when a neighbor gained or lost weight, however, and family members had less influence than friends. It did not even matter if the friend was hundreds of miles away, the influence remained. And the greatest influence of all was between close mutual friends. There, if one became obese, the other had a 171 percent increased chance of becoming obese, too. The same effect seemed to occur for weight loss, the investigators say. But since most people were gaining, not losing, over the 32 years, the result was, on average, that people grew fatter. Dr. Nicholas A. Christakis, a physician and professor of medical sociology at Harvard Medical School and a principal investigator in the new study, said one explanation was that friends affected each others' perception of fatness. When a close friend becomes obese, obesity may not look so bad. "You change your idea of what is an acceptable body type by looking at the people around you," Dr. Christakis said. The investigators say their findings can help explain why Americans have become fatter in recent years—each person who became obese was likely to drag along some friends. Their analysis was unique, Dr. Christakis said, because it moved beyond a simple analysis of one person and his or her social contacts and instead examined an entire social network at once, looking at how a person's friend's friends, or a spouse's sibling's friends, could have an influence on a person's weight. The effects, he said, "highlight the importance of a spreading process, a kind of social contagion, that spreads through the network." Of course, the investigators say, social networks are not the only factors that affect body weight. There is a strong genetic component at work, too. Science has shown that individuals have genetically determined ranges of weights, spanning perhaps 30 or so pounds for each person. But that leaves a large role for the environment in determining whether a person's weight is near the top of his or her range or near the bottom. As people have gotten fatter, it appears that many are edging toward the top of their ranges. The question has been why. If the new research is correct, it may say that something in the environment seeded what some call an obesity epidemic, making a few people gain weight. Then social networks let the obesity spread rapidly.

单选题“What do you mean by that”Paul asked sharplyA. criticallyB. helplessyC. politelyD. quickly

单选题The salesman {{U}}stood up for{{/U}} his product when challenged.

单选题The article {{U}}sketched{{/U}} the major events of the decade. A. described B. offered C. drew D. presented

单选题Nightingale played a great role in

单选题Last winter, she bought a pair of beautiful boots.A. glovesB. shoesC. trousersD. sunglasses

单选题 Late-night Drinking Coffee lovers beware. Having a quick "pick-me-up" cup of coffee1 late in the day will play havoc with your sleep. As well as being a stimulant, caffeine interrupts the flow of melatonin, the brain hormone that sends people into a sleep. Melatonin levels normally start to rise about two hours before bedtime. Levels then peak between 2 a.m. and 4 a. m. , before falling again. "It's the neurohormone that controls our sleep and tells our body when to sleep and when to wake," says Maurice Ohayon of the Stanford Sleep Epidemiology Research Center at Stanford University in California. But researchers in Israel have found that caffeinated coffee halves the body's levels of this sleep hormone. Lotan Shilo and a team at the Sapir Medical Center in Tel Aviv University found that six volunteers slept less well after a cup of caffeinated coffee than after drinking the same amount of decal. On average, subjects slept 336 minutes per night after drinking caffeinated coffee, compared with 415 minutes after decal. They also took half an hour to drop off-twice as long as usual-and jigged around in bed twice as much. In the second phase of the experiment, the researchers wolfe the volunteers every three hours and asked them to give a urine sample. Shilo measured concentrations of a breakdown product of melatonin. The results suggest that melatonin concentrations in caffeine drinkers were half those in decal drinkers. In a paper accepted for publication in Sleep Medicinc, the researchers suggest that caffeine blocks production of the enzyme that drives melatonin production. Because it can take many hours to eliminate caffeine from the body, Ohayon recommends that coffee lovers switch to decal after lunch.

单选题Department Store A mainstay of retailing in the United States is the department store, a large-scale retailing instituting that has a very broad and deep product assortment(分类),tires not to compete on the basis of price, and provides a wide array or customer services. Traditional department stores offer a greater variety of merchandise and services than does any other type of retail store. They feature both "soft goods" —such as apparel, sheets, towels, and bedding (寝具)—and "hard goods" including furniture, appliances, and consumer electronics. Department stores also attract—and satisfy—consumers by offering many customer services. The combination of destinctive, appealing merchandise and numerous customer services is designed to allow the stores to maintain the manufacturers'suggested retail prices. That is, department stores strive to charge "full" or "nondiscounted" (不打折扣的) prices. Department stores face mounting problems, however, Largely due to their prime locations and customer services, their operation expenses are considerably higher than those of most other kinds of retail business. Many manufacturers'brands that used to be available exclusively thorough department stores are now widely distributed and often carry discounted prices in other outlets. And the quality of personal service, especially knowledgeable sales help, has deteriorated in some department stores. Intense horizontal competition is also hurting department stores. Other types of retailers are aiming at consumers who have long supported department stores. Speciality stores, off price retailers, and even some discount houses have been particularly aggressive in trying to lure shoppers sway from department stores. To varying degrees retail chains compete against department stores. Consequently, many department stores have modified their target markets or elements of their marketing mixes. The May Department Stores Company has targeted middle-income consumers, rejecting high-priced European designer lines and instead concentrating on fashionable apparel with moderate prices. Penney's dropped three lines of hard goods—home electronics, sporting goods, and photographic equipment. Penney's, Ward's, and Sears are all converting their very large stores into a collection of limited-line "superstores". Some department stores are also trying to be more price-competitive. Most notably, in 1989 Sears abandoned its practice of promoting temporarily reduced prices and adopted a strategy of "everyday low prices". With this policy, prices will always be lower than or as low as competitors.

单选题And the cars are tested for defects before leaving the factory. A. functions C. motions B. faults D. parts

单选题These cases may sound extreme, but being fired or laid off is undeniably one of life's biggest blows and can lead to clinical depression, violence and alcohol abuse, as well as strokes and heart attacks. Even the fear of losing a job produces more doctor visits and health worries. In short, the recent news about rising unemployment and job insecurity may be bad news for our health. Being laid off may lead to all the following EXCEPTA. violence and alcohol abuse.B. psychological problems.C. blows and strikes on the body.D. strokes and heart attacks.