单选题Now illegal copies of music CDs ______ losses of about ＄ 300 million in sales annually and ＄ 65 million in lost government tax revenue.

单选题Freeman and slave, A(patrician and plebeian), lord and serf, guild-master and journeyman, in a word, B(oppressor and oppressing), stood in constant opposition to one another, carried C(on an uninterrupted), now hidden, now open fight, a fight that each time ended, either in a revolutionary reconstitution of society at large, D(or in the common ruin of) the contending classes.

单选题Mainstream pro-market economists all agree that competition is an______spur to efficiency and innovation.(2014年厦门大学考博试题)

单选题Thirty-two people watched Kitty Genovese being killed right beneath their windows. She was their neighbor. Yet none of the 32 helped her. Not one even called the police. Was this in gunman cruelty? Was it lack of feeling about one's fellow man? "Not so," say scientists John Barley and Bib Fatane. These men went beyond the headlines to probe the reasons why people didn't act. They found that a person has to go through two steps before he can help. First he has to notice that is an emergency. Suppose you see a middle-aged man fall to the side-walk, is he having a heart attack? Is he in a coma from diabetes? Or is he about to sleep off a drunk? Is the smoke coming into the room from a leak in the air conditioning? Is it "steam pipes", Or is it really smoke from a fire? It's not always easy to tell if you are faced with a real emergency. Second, and more important, the person faced with an emergency must feel personally responsible. He must feel that he must help, or the person won't get the help he needs. The researchers found that a lot depends on how many people are around. They had college students in to be "tested." Some came alone. Some came with one or two others. And some came in large groups. The receptionist started them off on the "tests." Then she went into the next room. A curtain divided the "testing room" and the room into which she went. Soon the students heard a scream, the noise of file cabinets falling and cry for help. All of this had been pre-recorded on a tape-recorder. Eight out of ten of the students taking the test alone acted to help. Of the students in pairs, only two out of the ten helped. Of the students in group, none helped. In other words, in a group, Americans often fail to act. They feel that others will act. They, themselves, needn't. They do not feel any direct responsibility. Are people bothered by situation where people are in trouble? Yes, scientists found that the people were emotional, they sweated, they had trembling hands. They felt that other person's trouble. But they did not act. They were in a group. Their actions were shaped by the actions of those they were with.

单选题Are we going to see an end to the Arab-Israeli ______ .

单选题The workers of space shuttle Discovery got into the back of the shuttle to look for ______in the electronics that send data from the sensors to onboard computers. A. glitches B. suspects C. orbiters D. pitches

单选题{{B}}Passage One{{/B}} There is extraordinary exposure in the United States to the risks of injury and death from motor vehicle accidents. More than 80 percent of all households own passenger cars or light trucks and each of these is driven a average of more than 11,000 miles each year. Almost one-half of fatally injured drivers have a blood alcohol concentration (BAC) of 0.1 percent or higher. For the average adult, over five ounces of 80 proof spirits would have to be consumed over a short period of time to attain these levels. A third of drivers who have been drinking, but fewer than 4 percent of all drivers, demonstrate these levels. Although less than 1 percent of drivers with BAC s of 0.1 percent or more are involved in fatal crashes, the probability of their involvement is 27 times higher than for those without alcohol in their blood. There are a number of different approaches to reducing injuries in which intoxication plays a role. Based on the observation that excessive consumption correlates with the total alcohol consumption of a country's population, it has been suggested that higher taxes on alcohol would reduce both. While the heaviest drinkers would be taxed the most, anyone who drinks at all would be penalized by this approach. To make drinking and driving a criminal offense is an approach directed only at intoxicated drivers. In some states, the law empowers police to request breath tests of drivers cited for any traffic offense and elevated BAC can be the basis for arrest. The National Highway Traffic Safety Administration estimates, however, that even with increased attests, there are about 700 violations for every arrest. At this level there is little evidence that laws serve as deterrents to drinking while intoxicated. In Britain, motor vehicle fatalities fell 25 percent immediately following implementation of the Road Safety Act in 1967. As the British increasingly recognized that they could drink and not be stopped, the effectiveness declined, although in the ensuing three years the fatality rate seldom reached that observed in the seven years prior to the Act. Whether penalties for driving with a high BAC or excessive taxation on consumption of alcoholic beverages will deter the excessive drinker responsible tot most fatalities is unclear. In fact, the answer depends on the extent to which those with high BAC involved in crashes are capable of controlling their intake in response to economic or penal threat. Therapeutic programs which range from individual and group counseling and psychotherapy to chemotherapy constitute another approach, but they have not diminished the proportion of accidents in which alcohol was a factor. In the few controlled trials that have been reported, there is little evidence that rehabilitation programs for those repeatedly arrested for drunken behavior have reduced either the recidivism or crash rates. Thus far, there is no firm evidence that Alcohol Safety Action Project supported programs, in which rehabilitation measures are requested by tile court, have decreased recidivism or crash involvement for clients exposed to them, although knowledge and attitudes have improved. One thing is clear, however, unless we deal with automobile and highway safety and reduce accidents in which alcoholic intoxication plays a role, many will continue to die.

单选题Passage 4 One reaction to all the concern about tropical deforestation is a blank stare that asks the question, "Since I don't live in the tropics, what does it have to do with me?" The answer is that your way of life, wherever you live in the world, is tied to the tropics in many ways. If you live in a house, wash your hair, eat fruit and vegetables, drink soda, or drive a car, you can be certain that you are affected by the loss of tropical forests. Biologically, we are losing the richest regions on earth when, each minute, a piece of tropical forest the size of ten city blocks vanishes. As many as five million species of plants, animals and insects, 40 to 50 percent of all living things, live there, and are being irrevocably lost faster than they can be found and described. Their loss is incalculable. Take medicine, for example. Fewer than one percent of tropical forest plants have been examined for their chemical compounds. Nonetheless, scientists have integrated a wealth of important plants into our everyday lives. The West African Calabar bean is used to treat glaucoma, while the sankerfoot plant of India yields reserpine, essential for treating hypertension. A West African vine provides the basis for stroplantus, a heart medicine. Quinine, an alkaloid derived from boiling the bark of the cinchona tree, is used to prevent and treat malaria. In fact, of the 3 000 plants in the world known to contain anti-cancer properties, 2100 are from the tropical rain forest. Then there is rubber. For many uses, only natural rubber from trees will do, synthetics are not good enough. Today, over half of the world's commercial rubber is produced in Malaysia and Indonesia, while the Amazon's rubber industry produces much of the world's four million tons. Adding ammonia to rubber produces latex which is used for surgical gloves, balloons, adhesives, and foam rubber. Latex, plus a weak mixture of acid results in sheet rubber used for footwear and many sporting goods. Literally thousands of tropical plants are valuable for their industrial uses. Many provide fiber and canes for furniture, soundproofing and insulation. Palm oil, a product of the tropics, brings to your table margarine, cooking oil, bakery products, and candles. The sap from Amazonian copaila trees, poured straight into a fuel tank, can power a truck. At present, 20 percent of Brazil's diesel fuel comes from this tree. An expanded use of this might reduce our dependency on irreplaceable fossil fuels. Many scientists assert that deforestation contributes to the greenhouse effect. As we destroy forest, we lose their ability to convert carbon dioxide into oxygen. Carbon dioxide level could double within the next half-century warming the earth by as much as 4.5 degrees. The result? A partial meltdown of the polar ice caps, raising sea levels as much as 24 feet. A rise of 15 feet would threaten anyone living within 35 miles of the coast. Far-fetched? Perhaps, but scientists warn that by the time we realize the severe effects of tropical deforestation, it will be 20 years too late. Can tropical deforestation affect our everyday lives? We only have to look at the catalogued tropical forests and the abundance of wondrous products from which we benefit every day to know the answer. After all, the next discovery could be a cure for cancer or the common cold, or the answer to feeding the hungry, or fuelling our world for centuries to come.

单选题If you've got a complaint, the best thing is to see the person concerned and ______ with him.

单选题These goods are ______ for export, though a few of them may be sold on the home market. A. essentially B. completely C. necessarily D. remarkably

单选题When her purse fell overboard, Sally lost her ______, keys, wallet, and cigarettes. A. vehicle B. piano C. compact D. complexion

单选题In order to work here the foreigner needs a work permit, which must be (21) for by his prospective employer. The problem here is that the Department of Employment has the right to (22) or refuse these permits, and there is little that can be (23) about it, it would be extremely unwise (24) a foreign visitor to work without a permit, since anyone doing so is (25) to immediate deportation. There are some (26) to this rule, most notably people from the Common Market countries, who are (27) to work without permits and who are often given (28) residence permits of up to five years. Some (29) people, such as doctors, foreign journalists, authors and others, can work without (30) The problem with the Act is not just that some of its rules are (31) but (32) it is administered, and the people who administer it. An immigration official has the power to stop a visitor (33) these shores coming into the country. If this happens the visitor has the (34) to appeal to the Immigration Appeal Tribunal. (35) the appeals are being considered, the visitor has no choice but to wait sometimes for quite a long time.

单选题Gene therapy and gene-based drugs are two ways we could benefit from our growing mastery of genetic science. But there will be others as well. Here is one of the remarkable therapies on the cutting edge of genetic research that could make their way into mainstream medicine in the coming years. While it's true that just about every cell in the body has the instructions to make a complete human, most of those instructions are inactivated, and with good reason: the last thing you want for your brain cells is to start churning out stomach acid or your nose to turn into a kidney. The only time cells truly have the potential to turn into any and all body parts is very early in a pregnancy, when so-called stem cells haven't begun to specialize. Yet this untapped potential could be a terrific boon to medicine. Most diseases involve the death of healthy cells-brain cells in Alzheimer's, cardiac cells in heart disease, pancreatic cells in diabetes, to name a few. If doctors could isolate stem cells, then direct their growth, they might be able to furnish patients with healthy replacement tissue. It was incredibly difficult, but last fall scientists at the University of Wisconsin managed to isolate stem ceils and get them to grow into neural, gut, muscle and bone cells. The process still can't be controlled, and may have unforeseen limitations; but if efforts to understand and master stem-cell development prove successful, doctors will have a therapeutic tool of incredible power. The same applies to cloning, which is really just the other side of the coin; true cloning, as first shown with the sheep Dolly two years ago, involves taking a developed cell and reactivating the genome within, resetting its developmental instructions to a pristine state. Once that happens, the rejuvenated cell can develop into a full-fledged animal, genetically identical to its parent. For agriculture, in which purely physical characteristics like milk production in a cow or low fat in a hog have real market value, biological carbon copies could become routine within a few years. This past year scientists have done for mice and cows what Ian Wilmut did for Dolly, and other creatures are bound to join the cloned menagerie in the coming year. Human cloning, on the other hand, may be technically feasible but legally and emotionally more difficult. Still, one day it will happen. The ability to reset body cells to a pristine, undeveloped state could give doctors exactly the same advantages they would get from stem cells., the potential to make healthy body tissues of all sorts, and thus to cure disease. That could prove to be a true "miracle cure./

单选题Our modern civilization must not be thought of as ______ overnight.

单选题It's a simple bed with a basic metal frame but at the head on the right there is a leather ______for restraining the victims.

单选题The famous inventor was awarded an______doctorate by the university.

单选题The Emperor's New Clothes introduced here is a feature movie ______.

单选题To some people, living together before marriage is unacceptable because ______.