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Many changes are taking place in Americans’ food styles. 1.The United States is traditionally famous for its solid and unchanging diet of meat and potatoes. Now we have many different alternatives to choose from: various ethnic foods, nutrition-balanced health food, and convenient and delicious fast food, in addition to the traditional home-cooked meal.Ethnic restaurants are commonplace in the United States. Because the United States is a country of immigrants, there is an immense variety in its catering cultures. Any large American city is filled with restaurants serving international cooking.2.Health food gained popularity when people began to think more seriously about their physical well-being. The very term “health food” is ironic because it implies that there is also “unhealthy food”. Health food incudes natural food with minimal processing, i.e., there are no presevatives to help it last longer or other chemicals to make it tasty or look like better. 3. Most health food enthusiasts are vegetarians: They eat no meat; they prefer to get their essential proteins from other sources, such as beans, cheese, and eggs.Fast-food restaurants can be seen all over the country. Speed is a very important factor in the life of an American. People usually have a very short lunch break or they just do not want to waste their time eating. And food in fast-food restaurants is always cheap.Americans’ attitude toward food is changing, too. The traditional big breakfast is losing popularity. People are rediscovering the social importance of food. 4. Dinner with family or friends is again becoming a special way of enjoying and sharing. Like so many people in other countries, many Americans are taking time to relax and enjoy the finer tastes at dinner, even if they still rush through lunch at a hamburger stand.

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Coca-Cola, which sold 10 billion cases of soft drinks in 1992, now finds itself asking, where will sales of the next 10 billion cases come from? The answer lies overseas, where income levels and appetites for Western products are at an all-time high. Often, the company that gets into a foreign market earliest dominates that country’s market. Coke patriarch Robert Woodruff realized this and unleashed a brilliant ploy to make Coke the early bird in many of the major foreign markets. At the height of World War 11, Woodruff proclaimed, “Wherever American boys were fighting, they’d be able to get a Coke.” By the time Pepsi tried to make its first international pitch in the 1950s, Coke had established its brand name along with a powerful distribution network. During the last 40 years, many new markets have emerged. In order to tap into these opportunities, both Coke and Pepsi have attempted to find ways to cut through the red tape that thwarts their efforts to conduct business in these new regions. One key maneuver in the soda wars occurred in 1972, when Pepsi signed an agreement with the Soviet Union that made it the first Western product to be sold to consumers in Russia. This landmark agreement gave Pepsi the upper hand. At present, Pepsi has 23 plants in the former Soviet Union and is the leader in the soft-drink industry in Russia. It outsells Coca-Cola by a ratio of 6 to 1 and is seen there as a local brand, similar to Coke’s home-grown reputation in Japan. However, Pepsi has also encountered some obstacles. An expected increase in brand loyalty for Pepsi subsequent to its advertising blitz in Russia has not materialized, even though Pepsi produced commercials tailored to the Russian market and sponsored televised concerts. Some analysts believe that Pepsi’s domination of the Russian market has more to do with pricing. While Pepsi sells for 250 Rubels (about 25 cents) a bottle, Coca-Cola sells for 450 Rubels. Likewise, Pepsi sells their 2 liter economy bottle for 1,300 Rubels, while Coca-Cola’s 1. 5 liters is marketed at 1,800 Rubels. On the other hand, Coca-Cola only made its first inroads into Russia 2 years ago. What’s more, although Coca-Cola’s bottle and label gave it a high- class image, Russians do not perceive Coca-Cola as a premium brand in the Russian market. Consequently, it has so far been unable to capture a market share.1.According to the passage, all of the following have been used to attract customers to buy one of the two brands of soft drink mentioned in the passage EXCEPT( ) .2.The passage suggests which of the following about the Russian soft drink market?3.The primary purpose of the passage is to( ).4.The best definition of “materialized” which is underlined in the passage should be“( ) ”.

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Elaine, Justin’s mom, had set down the house rules with self-confident assurance. Only the most obtuse person would have failed to understand:no tattoos,no body piercings and no co-ed sleepovers while living in the house of Elaine Tucker Brown. Still, the day Justin turned 18, he lied to his mother about where he was going and headed straight to the tattoo parlor, as if impervious to his mother’s wrath. He got a light blue heart, the size of an orange permanently etched on his arm. Above this work of art was the word“Blessed”. No, Justin was not stupid, but he was obstinate. Elaine saw this as an act of sheer defiance. She was incensed, her anger exacerbated by the fact that Justin had breezed into the house, found her in the kitchen, taken off his shirt with a smile and said, “Got it!” “No, Justin. Let me tell what you've got,” Elaine said angrily. “You've got five minutes to go upstairs and pack a bag. I am taking you to Pop-Pop's.” The ride to Pop-Pop’s house was chilly, to say the least. Elaine berated Justin for everything she could think of, which wasn’t much because he was a straight A senior with a full academic scholarship to his top college pick. He had a kind heart and started a foundation in the ninth grade, which donated used sporting equipment to underprivileged kids in South Africa. Elaine pulled up to her father’s door and ordered Justin out. Not 10 minutes later, her cell phone rang. “Elaine, have you lost it? You are kicking a boy as good as him out the house for a tattoo- that says ‘Blessed’, no less?” her father asked, incredulous. “You will miss him so much. Don’t cut off your nose to spite face, Elaine. Come pick this young man up.” Elaine, having grown up obeying most of her parents’ demands, turned her car around and went back to pick up her son. Justin was surprisingly contrite. “Sorry for being so disrespectful ,Mom,” he said earnestly. “I will try to follow house rules from now on.”1.What title would best fit this passage?2.What was Justin’s attitude when he showed his mother the tattoo?3.Which of the following details does not make the reader sympathetic to Justin?4.Which of the following is the best interpretation of the underlined idiom in the paragraph?

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Obesity generally is defined as an accumulation of fat (adipose tissue) beyond what is considered normal for a person’s age, sex, and body type. In today’s society obesity is considered as a disease, not a moral failing. It occurs when energy intake exceeds the amount of energy expended over time. Only in a small minority of cases is obesity caused by such illnesses as hypothyroidism , or the result of taking medications, such as steroids, that can cause weight gain.The more a person weighs, the more blood vessels the body needs to circulate blood throughout the body. The heart takes on a heavy burden as it has to pump harder to force the blood flow through so many vessels. As a result, the heart grows in size and blood pressure tends to rise. Obesity is also a factor in osteoarthritis (because of the extra weight placed on joints), gout, bone and joint diseases (including ruptured intervertebral discs), varicose veins, respiratory ailments, gallbladder disease, complications during pregnancy and delivery, and higher accidental death rate.Obesity can alter hormone levels, affect immune function, and cause impotence in men and reproductive problems in women. Women who are 30% overweight are twice as likely to die of endometrial cancer, and those who are 40% overweight have four times the risk. Obese women also are more likely to incur cancers of the breast, cervix, ovaries, and gallbladder. Obese men are more likely to develop cancers of the rectum, colon, esophagus, bladder, pancreas, stomach, and prostate.Obesity can also cause psychological problems. Sufferers are associated with laziness, failure, or inadequate willpower. As a result, overweight men and women blame themselves for being heavy, thus causing feelings of guilt and depression.Scientific evidence has found an association between MBI (body-mass index) and higher death rates. However, the relative risk of being heavy declines with age. Some researchers have found that data linking overweight and death are inconclusive, while other researchers have found that losing weight may be riskier than dangers posed by extra pounds. Some researchers counter that overweight indirectly contributes to over 300,000 deaths a year.A poll by Shape Up America found that 78% of overweight or obese adults have abandoned dieting as a means of losing weight. Diets do not teach people how to eat properly. They merely restrict food intake temporarily, so when the diet ends, weight gain resumes.1.The main idea of this passage is( ) .2.According to the passage, ( ).3.According to the passage, why does dieting not result in permanent weight loss?4.What does the underlined sentence from the fifth paragraph suggest about obesity?

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Awarded the Nobel Prize for physics in 1918, German physicist Max Planck is best remembered as the originator of the quantum theory. His work helped usher in a new era in theoretical physics and revolutionized the scientific community’s understanding of atomic and subatomic processes. Planck introduced an idea that led to the quantum theory, which became the foundation of 20th century physics. In December 1900, Planck worked out an equation that described the distribution of radiation accurately over the range of low to high frequencies. He had developed a theory which depended on a model of matter that seemed very strange at the time. The model required the emission of eletromagnetic radiation in small chunks or particles. These particles were later called quantums. The energy associated with each quantum is measured by multiplying the frequency of the radiation, v, by a universal constant, h. Thus, energy, or E, equals hv. The constant, h, is known as Planck’s constant. It is now recognized as one of the fundamental constants of the world. Planck announced his findings in 1900, but it was years before the full consequences of his revolutionary quantum theory were recognized. Throughout his life, Planck made significant contributions to optics, thermodynamics and statistical mechanics, physical chemistry, and other fields. In 1930 he was elected president of the Kaiser Wilhelm Society, which was renamed the Max Planck Society after World War II . Though deeply opposed to the facist regime of Adolf Hitler, Planck remained in Germany throughout the war. He died in Gottingen on October 4,1947.1.In which of the following fields did Max Planck NOT make a significant contribution?2.The word “revolutionary” which is underlined in the passage, means ( ) .3.It can be inferred from the passage that Planck’s work led to the development of which of the following?4.The implication in this passage is that( ).

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Walls and wall building have played a very important role in Chinese culture. These people, from the dim mists of prehistory have been wall-conscious; from the Neolithic period—when ramparts of pounded earth were used-to the Communist Revolution, walls were an essential part of any village. Not only towns and villages, the houses and the temples within them were somehow walled, and the houses also had no windows overlooking the street, thus giving the feeling of wandering around a huge maze. The name for “city” in Chinese means wall, and over these walled cities, villages, houses and temples presides the god of walls and mounts,whose duties were, and still are, to protect and be responsible for the welfare of the inhabitants. Thus a great and extremely laborious task such as constructing a wall, which was supposed to run through the country, must not have seemed such an absurdity.However,it is indeed a common mistake to perceive the great wall as a single architectural structure, and it would also be erroneous to assume that it was built during a single dynasty. For the building of the wall spanned the various dynasties and each of these dynasties somehow contributed to the reburbishing and the construction of a wall, whose foundations had been laid many centuries ago. It was during the fourth and third century B. C. that each warring state started building walls to protect their kingdoms, both against one another and against the northern nomads. Especially three of these states: the Qin, the Zhao and the Yan, corresponding respectively to the modern provinces of Shanxi, Shaanxi and Hebei, over and above building walls that surrounded their kindoms, also laid the foundations on which Qin Shi Huang Di would build his first continuous Great Wall.The role that the Great Wall played in the growth of Chinese economy was an important one. Throughout the centuries many settlements were established along the new border. The garrison troops were instructed to reclaim wasteland and to plant crops on it, roads and canals were built, to mention just a few of the works carried out. All these undertakings greatly helped to increase the country’s trade and cultural exchanges with many remote areas and also with the southern, central and western parts of Asia—the formation of the Silk Route. Builders, garrisons,artisans,farmers and peasants left behind a trail of objects, including inscribed tablets, household articles, and written work, which have become extremely valuable archaeological evidence to the study of defense institutions of the Great Wall and the everyday life of these people who lived and died along the wall.1.Chinese cities resembled a maze because( ).2.Constructing a wall that ran the length of the country ( ) .3.The Great Wall of China ( ) .4.Crops were planted( ) .

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My topic today is “The Car and Air Pollution.” In particular, I want firstly to discuss the ways in which the car causes air pollution; and secondly, how we can control or reduce air pollution from the car.First, then, how does the car cause air pollution? 1. What happens is that the car’s internal combustion engine is a kind of chemical factory on a small scale. It uses a mixture of petrol and air, and this mixture explodes and burns, to produce the energy which propels the car. 2. But while this is happening, many complicated chemical reactions are taking place. In particular, part of the petrol-air mixture is not completely burned up, and so the exhaust gases from the engine contain some very dangerous chemicals, such as carbon monoxide, nitrogen oxides, lead and hydrocarbons.This is the situation, then, and it’s going to get much worse, unless we do something about it. So let’s focus our attention now on ways of controlling or reducing the amount of air pollution caused by the car.First, we can discourage the use of cars. For example, we can put higher taxes on petrol, and on cars themselves, especially on larger ones that use a lot of petrol.3.Second, we can encourage alternative methods of transport, both between and within urban areas. For instance, we can make train and bus services cheaper and more convenient. And we can build a mass transit system in large cities, particularly an underground railway system.Next, we can use a different and cleaner fuel for the internal combustion engine.Fourth, we can replace the internal combustion engine with other designs. There are several possibilities being researched at present, such as electric, gas turbine, and “steam” engines gas turbine, and steam engines. However, each of these designs has its own disadvantages.4.Last but not the least, we are trying to control the emissions from the internal combustion engine much more strictly. This, for example, is a catalytic (催化式) converter, which converts the most dangerous ingredients of the car exhaust into water and harmless gases.As I’m sure you can see, there are problems with each of these ways; but at least they’re a step in the right direction. Probably the best answer is a synthesis of all five.

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The other problem that arises from the employment of women is that of the working wife. It has two aspects: that of the wife who is more of a success than her husband and that of the wife who must rely heavily on her husband for help with domestic tasks. There are various ways in which the impact of the first difficulty can be reduced. Provided that husband and wife are not in the same or directly comparable lines of work, the harsh fact of her greater success can be obscured by a genial conspiracy to reject a purely monetary measure of achievement as intolerably crude. Where there are ranks, it is best if the couple work in different fields so that the husband can find some special reason for the superiority of the lowest figure in his to the most elevated in his wife’s.A problem that affects a much larger number of working wives is the need to re-allocate domestic tasks if there are children. In The Road to Wigan Pier George Orwell wrote of the unemployed of the Lancashire coalfields: “Practically never… in a working- class home, will you see the man doing a stroke of the housework. Unemployment has not changed this convention, which on the face of it seems a little unfair. The man is idle from morning to night but the woman is as busy as ever—more so, indeed, because she has to manage with less money. Yet so far as my experience goes the women do not protest. They feel that a man would lose his manhood if, merely because he was out of work, he developed in a ‘Mary Ann’.”It is over the care of young children that this re-allocation of duties becomes really significant. For this, unlike the cooking of fish fingers or the making of beds, is an inescapably time-consuming occupation, and time is what the fully employed wife has no more to spare of than her husband.The male initiative in courtship is a pretty indiscriminate affair, something that is tried on with any remotely plausible woman who comes within range and, of course, with all degrees of tentativeness. What decides the issue of whether a genuine courtship is going to get under way is the woman’s response. If she shows interest the engines of persuasion are set in movement. The truth is that in courtship society gives women the real power while pretending to give it to men.What does seem clear is that the more men and women are together, at work and away from it, the more the comprehensive amorousness of men towards women will have to go, despite all its past evolutionary services. For it is this that makes inferiority at work abrasive and, more indirectly, makes domestic work seem unmanly, if there is to be an equalizing redistribution of economic and domestic tasks between men and women there must be a compensating redistribution of the erotic initiative. If women will no longer let us beat them, they must allow us to join them as the blushing recipients of flowers and chocolates.1.The first paragraph advises the working wife who is more successful than her husband to( ).2.Orwell’s picture of relations between man and wife in Wigan Pier describes a relationship which the author of the passage( ) .3.The last paragraph stresses that if women are to hold important jobs, then they must( ) .4.Which of the following statements is INCORRECT about the present form of courtship?

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Definitions of “culture” are multiple, broad, and notably ambiguous. While there is no agreed-upon definition of culture, the classic definition by E. B. Tylor in 1871 is widely cited: “culture... is that complex whole which includes knowledge, belief, art, morals, law, custom and any other capabilities and habits acquired by man as a member of society.” Most definitions of culture emphasize that it is complex and dynamic, comprised of the shared solutions to problems faced by the group. These solutions include technologies, beliefs, and behaviors.Culture does not determine behavior, but affords group members a repertoire of ideas and possible actions, providing the framework through which they understand themselves, their environment, and their experiences. Culture is a complex set of relationships, responses, and interpretations that must be understood, not as a body of discrete traits, but as an integrated system of orientations and practices generated within a specific socioeconomic context. Culture is ever changing and always being revised within the dynamic context of its enactment.Culture is neither a blueprint nor an identity; individuals choose between various cultural options, and in our multicultural society, many times choose widely between the options offered by a variety of cultural traditions. It is not possible to predict the beliefs and behaviors of individuals based on their race, ethnicity, or national origin. Individuals’ group membership cannot be assumed to indicate their culture because those who share a group label may variously enact culture.In its zeal to encourage respect for cultural differences, the cultural competency movement has sometimes lost sight of these important features of the concept of culture. Instead it has too often represented culture as a decontextualized set of traits providing a template for the perceptions and behaviors of group members. A burgeoning literature on cultural diversity presents the reader with veritable laundry lists of traditional beliefs and practices ostensibly characteristic of particular ethnic groups. This approach encourages the questionable notion that immigrants and certain ethnic and racial minorities are particularly driven by traditionalism. The emphasis in this genre is on difference, pitting the exotic and esoteric against mainstream or conventional beliefs that remain unnamed and unexplored.The misconception, common in clinical settings, that culture can be understood as a set of discrete traits, has led some mistakenly to treat culture as an explanatory variable, subject to prediction and control. In such applications, specific ethnic cultures are represented as a codified body of characteristics that can be identified and then either modified or manipulated to facilitate clinical goals.Paradoxically, in such approaches, what originated in a desire to promote respect for individual differences may instead promote stereotyping and essentializing. This process of reifying presumed difference may have the unintended consequence of bolstering a sense of group boundaries. It may also reinforce the belief that culture can be diagnosed and treated, that exotic or unfamiliar beliefs and behaviors of members of already disempowered subgroups should be controlled and adjusted to resemble norms of the dominant group.1.Which statement is NOT true according to this passage?2.Culture is not an identity because culture( ) .3.Emphasizing cultural differences too much would ( ).4.Which of the following is the author’s viewpoint?

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I am afraid to sleep. I have been afraid to sleep for the last few weeks. I am so tired that, finally, I do sleep, but only for a few minutes. It is not a bad dream that wakes me; it is the reality I took with me into sleep . I try to think of something else.Immediately the woman in the marketplace comes into my mind.I was on my way to dinner last night when I saw her . She was selling skirts. She moved with the same ease and loveliness I often saw in the women of Laos. Her long black hair was as shiny as the black silk of the skirts she was selling . In her hair, she wore three silk ribbons, blue, green, and white. They reminded me of my childhood and how my girlfriends and I used to spend hours braiding ribbons into our hair.I don’t know the word for “ribbons”, so I put my hand to my own hair and, with three fingers against my head, I looked at her ribbons and said “Beautiful.” She lowered her eyes and said nothing. I wasn’t sure if she understood me (I don’t speak Laotian very well).I looked back down at the skirts. They had designs on them: squares and triangles and circles of pink and green silk. They were very pretty. I decided to buy one of those skirts, and I began to bargain with her over the price. It is the custom to bargain in Asia. In Laos bargaining is done in soft voices and easy moves with the sort of quiet peacefulness.She smiled, more with her eyes than with her lips. She was pleased by the few words I was able to say in her language, although they were mostly numbers, and she saw that I understood something about the soft playfulness of bargaining. We shook our heads in disagreement over the price; then, immediately, we made another offer and then another shake of the head. She was so pleased that unexpectedly, she accepted the last offer I made. But it was too soon. The price was too low. She was being too generous and wouldn’t make enough money. I moved quickly and picked up two more skirts and paid for all three at the price set; that way I was able to pay her three times as much before she had a chance to lower the price for the larger purchase. She smiled openly then, and, for the first time in months, my spirit lifted. I almost felt happy.The feeling stayed with me while she wrapped the skirts in a newspaper and handed them to me. When I left, though, the feeling left, too. It was as though it stayed behind in marketplace. I left tears in my throat. I wanted to cry. I didn’t, of course.I have learned to defend myself against what is hard; without knowing it, I have also learned to defend myself against what is soft and what should be easy.I get up, light a candle and want to look at the skirts. They are still in the newspaper that the woman wrapped them in. I remove the paper, and raise the skirts up to look at them again before I pack them. Something falls to floor. I reach down and feel something cool in my hand. I move close to the candlelight to see what I have. There are five long silk ribbons in my hand, all different colors. The woman in the marketplace! She has given these ribbons to me!There is no defense against a generous spirit, and this time I cry, and very hard, as if I could make up for all the months that I didn’t cry.1.Which of the following in NOT correct?2.The writer assumed that the woman accepted the last offer mainly because the woman ( ).3.Why did the writer finally decide to buy three skirts?4.Why did the writer cry eventually when she looked at the skirts again?

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Public speaking fills most people with dread. Humiliation is the greatest fear; self-exposure and failing to appeal to the audience come a close second. Women hate it most, since girls are pressurized from an early age to be concerned with appearances of all kinds.Most people have plenty of insecurities, and this seems like a situation that will bring them out. If you were under pressure to be perfect, you are terrified of falling in the most public of ways.Extroverts, on the contrary, will feel less fear before the ordeal. It does not mean they will necessarily do it better. Some very shy people manage to shine. When I met the British comedian Julian Clary, he was shy and cautious, yet his TV performances are perfect.In fact, personality is not the best predictor of who does it well. Regardless of what you are like in real life, the key seems to be to act yourself.Actual acting, as in performing the scripted lines of a character other than yourself, does not do the job. While politicians may limit damage by having carefully rehearsed, written scripts to speak from, there is always a hidden awareness among the audience that the words might not be true.Likewise, the incredibly perfect speeches of many American academics are far from natural. You may end up buying their book on the way out, but soon afterwards, it is much like fast food, and you get a nameless sense that you’ve been cheated.Although, as Earl Spencer proved at his sister Princess Diana’s funeral, it is possible both to prepare every word and to act naturally. A script rarely works and it is used to help most speakers.But, being yourself doesn’t work either. If you spoke as if you were in your own kitchen, it would be too authentic, too unaware of the need to communicate with an audience.I remember going to see British psychiatrist R. D. Laing speak in public. He behaved like a seriously odd person, talking off the top of his head. Although he was talking about madness and he wrote on mental illness, he seemed to be exhibiting rather than explaining it.The best psychological place from which to speak is an unselfconscious self- consciousness, providing the illusion of being natural. Studies suggest that this state of “flow”, as psychologists call it, is very satisfying.1.Women hate public speaking most mainly because of ( ) .2.Which of the following is NOT the author’s viewpoint?3.What is the author’s view on personality?4.In the last paragraph the author recommends that( ) .

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A hundred years ago it was assumed and scientifically “proved” by economists that the laws of society made it necessary to have a vast army of poor and jobless people in order to keep the economy going. Today, hardly anybody would dare to voice this principle. It is generally accepted that nobody should be excluded from the wealth of the nation, either by the laws of nature or by those of society. The opinions, which were current a hundred years ago, that the poor owed their conditions to their ignorance, lack of responsibility, are outdated. In all Western industrialized countries, a system of insurance has been introduced which guarantees everyone a minimum of subsistence in case of unemployment, sickness and old age. I would go one step further and argue that, even if these conditions are not present, everyone has the right to receive the means to subsist; in other words, he can claim this subsistence minimum without having to have any “reason.” I would suggest, however, that it should be limited to a definite period of time, let’s say two years, so as to avoid the encouraging of an abnormal attitude which refuses any kind of social obligation.This may sound like a fantastic proposal, but so, I think, our insurance system would have sounded to people a hundred years ago. The main objection to such a scheme would be that if each person were entitled to receive minimum support, people would not work. This assumption rests on the fallacy of the inherent laziness in human nature. Actually, aside from abnormally lazy people, there would be very few who would not want to earn more than the minimum, and who would prefer to do nothing rather than work.However, the suspicions against a system of guaranteed subsistence minimum are not groundless from the standpoint of those who want to use ownership of capital for the purpose of forcing others to accept the work conditions they offer. If nobody were forced to accept work in order not to starve, work would have to be sufficiently interesting and attractive to induce one to accept it. Freedom of contract is possible only if both parties are free to accept and reject it; in the present capitalist system this is not the case.But such a system would not only be the beginning of real freedom of contract between employers and employees, its principal advantage would be the improvement of freedom in interpersonal relationships in every sphere of daily life.1.People used to think that poverty and unemployment were due to( ) .2.Now it is widely accepted that ( ) .3.The writer argues that a system of social insurance should ( ) .4.According to the writer, a system of guaranteed subsistence minimum( ) .

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1.Halfway through the semester in his market research course at Roanoke College last fall, only moments after announcing a policy of zero tolerance for cellphone use in the classroom, Prof. Ali Nazemi heard a ring. Then he spotted a young man named Neil Noland fumbling with his phone, trying to turn it off before being caught.“Neil, can I see that phone?” Professor Nazemi said, more in a command than a question. The student surrendered it. Professor Nazemi opened his briefcase, produced a hammer and proceeded to smash the offending device. Throughout the classroom, student faces went ashen.“How am I going to call my Mom now?” Neil asked. As Professor Nazemi refused to answer, a classmate offered, “Dude, you can sue.”2.One thing we should be clear about was the episode in his classroom had been plotted and scripted ahead of time, with Neil Noland part of the plot all along. The phone was an extra of his mother’s, its service contract long expired.Professor Nazemi, in a telephone interview last week, attested to the exasperation of countless teachers and professors in the computer era. Their permanent war of attrition with defiantly inattentive students has escalated from the pursuit of pigtail-pulling, spitball-lobbing and notebook-doodling to a high-tech arsenal of laptops, cellphones Blackberries and the like.The poor school teacher or master or master now must compete with texting, instant-messaging, Facebook, eBay, YouTube, Addictinggames. Corn and other poxes(瘟疫,灾难)on pedagogy.“There are certain lines you shouldn’t cross, ” the professor said. If you start tolerating this stuff, it becomes the norm. “The more you give, the more they take. Multitasking is good, but I want them to do more tasking in my class.”3.All the advances schools and colleges have made to supposedly enhance learning—supplying students with laptops, equipping computer labs, creating wireless networks—have instead enabled distraction. Perhaps attendance records should include a new category: present but otherwise engaged.4.“I am so tired of that excuse,” said Professor Bugeja, may he live a long and fruitful life. The idea that subject matter is boring is truly relative. Boring as opposed to what? Buying shoes on eBay? The fact is, we’re not here to entertain. We are here to stimulate the life of the mind.”“Education requires contemplation,” he continued. “It requires critical thinking. What we may be doing now is training a generation of air-traffic controllers rather than scholars. And I do know I, m going to lose.”Not, one can only hope, without fight.In the end, as science-fiction writers have prophesied for years, the technology is bound to outwit the fallible human. What teacher or professor can possibly police a room full of determined goof-offs(游手好闲者)while also delivering an engaging lesson?

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For years pediaticians didn’t worry much about treating hypertension in their patients. After all, kids grow so fast, it’s hard keeping up with their shoe size, let alone their blood pressure. Sure, hypertension in adults places them at greater risk of heart attack and stroke. But nobody likes the idea of starting youngsters on blood-pressure medicine they could wind up taking the rest of their lives. Who knows what previously unheard-of side effects could crop up after five pr six decades of daily use?The rationale has been: kids grow out of so many things, maybe they'll grow out of this too.Now, though, comes word that high blood pressure can be destructive even in childhood. According to a recent report in the journal Circulation, 19 of 130 children with high blood pressure developed a dangerous thickening of the heart muscle that, in adults at least, has been linked to heart failure. “No one knows if this pattern holds true for younger patients as well,” says Dr. Stephen Daniels, a pediatric cardiologist who led the study at Children s Hospital Medical Center in Cincinnati, Ohio. “But it’s worrisome.”Who’s most at risk? Boys more than girls, especially boys who are overweight. Their heart works so hard to force blood through extra layers of fat that its walls grow more dense. Then, after decades of straining, it grows too big to pump blood very well.Fortunately the abnormal, thickening can be spotted by ultrasound. And in most case, getting that blood pressure under control—through weight loss and exercise or, as a last resort, drug treatment一allows the overworked muscle to shrink to normal size.How can you tell if yours are like the 670,000 American children ages 10 to 18 with high blood pressure? It’s not the sort of thing you can catch by putting your child’s arm in a cuff at the free monitoring station in your local grocery. You should have a test done by a doctor, who will consult special tables that indicate me normal range of blood pressure for a particular child’s age, height and sex. If the doctor finds an abnormal result he will repeat the test over a period of months to make sure the reading isn’t a fake. He’ll also check, whether other conditions, like kidney disease, could be the source of the trouble. Because hypertension can be hard to detect the National Heart, Lung and Blood Institute recommends annual blood-pressure checks for every child over age 3.About half the cases of hypertension stem directly from kids being overweight. And the problem is likely to grow. Over the past 30 years the proportion of children in the U. S. who are overweight has doubled, from 5% to 11 % or 4.7 million kids.You can keep your children from joining their ranks by clearing the junk food from your pantry and hooking you kids—the earlier the better一on healthy, attractive snacks like fruits (try freezing grapes or carrot sticks with salsa). Not only will they lower your children’s blood pressure:these foods will also boost their immune system and unclog their plumbing. Meanwhile, make sure your kids spend more time on the playground than with their Play-Station. Even if they don’t shed a pound, vigorous exercise will help keep their blood vessels nice and wide, lowering their blood pressure. And of course, they’ll be more likely to eat light and exercise if you set a good example.1.The word “unclog” in the last paragraph can be replaced by( ) .2.By saying “It’s not the sort of thing you can catch by putting your child’s arm in a cuffat the free monitoring station in your local grocery”, the writer implies ( ) .3.Which of the following is not suggested by the writer to control hypertension?4.We can conclude from the passage that( ).

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