阅读理解Text 4 From the early days of broadband, advocates for consumers and web-based companies worried that the cable and phone companies selling broadband internet connections had the power and incentive to favor their own or their partners websites and services over those of their rivals

阅读理解Scattered around the globe are more than 100 small regions of isolated volcanic activity known to geologists as hot spots. Unlike most of the world''s volcanoes, they are not always found at the boundaries of the great drifting plates that make up the earth''s surface; on the contrary, many of them lie deep in the interior of a plate. Most of the hot spots move only slowly, and in some cases the movement of the plates past them has left trails of dead volcanoes. The hot spots and their volcanic trails are milestones that mark the passage of the plates. 　　That the plates are moving is now beyond dispute. Africa and South America, for example, are moving away from each other as new material is injected into the seafloor between them. The complementary coastlines and certain geological features that seem to span the ocean are reminders of where the two continents were once joined. The relative motion of the plates carrying these continents has been constructed in detail, but the motion of one plate with respect to another cannot readily be translated into motion with respect to the earth''s interior. It is not possible to determine whether both continents are moving in opposite directions or whether one continent is stationary and the other is drifting away from it. Hot spots, anchored in the deeper layers of the earth, provide the measuring instruments needed to resolve the question. From an analysis of the hot-spot population it appears that the African plate is stationary and that it has not moved during the past 30 million years. 　　The significance of hot spots is not confined to their role as a frame of reference. It now appears that they also have an important influence on the geophysical processes that propel the plates across the globe. When a continental plate comes to rest over a hot spot, the material rising from deeper layers creates a broad dome. As the dome grows, it develops deep fissures (cracks) : in at least a few cases the continent may break entirely along some of these fissures, so that the hot spot initiates the formation of new ocean. Thus just as earlier theories have explained the mobility of the continents, so hot spots may explain their mutability( inconstancy ).

阅读理解 Of all the changes that have taken place in English-language newspapers during the past quarter-century, perhaps the most far-reaching has been the inexorable decline in the scope and seriousness of their arts coverage. It is difficult to the point of impossibility for the average reader under the age of forty to imagine a time when high-quality arts criticism could be found in most big-city newspapers. Yet a considerable number of the most significant collections of criticism published in the 20th century consisted in large part of newspaper reviews. To read such books today is to marvel at the fact that their learned contents were once deemed suitable for publication in general-circulation dailies. We are even farther removed from the unfocused newspaper reviews published in England between the turn of the 20th century and the eve of World War 2, at a time when newsprint was dirt-cheap and stylish arts criticism was considered an ornament to the Publications in which it appeared. In those far-off days, it was taken for granted that the critics of major papers would write in detail and at length about the events they covered. Theirs was a serious business, and even those reviews who wore their learning lightly, like George Bernard Shaw and Ernest Newman, could be trusted to know what they were about. These men believed in journalism as a calling, and were proud to be published in the daily press. 'So few authors have brains enough or literary gift enough to keep their own end up in journalism,' Newman wrote, 'that I am tempted to define 'journalism' as 'a term of contempt applied by writers who are not read to writers who are'.' Unfortunately, these critics are virtually forgotten. Neville Cardus, who wrote for the Manchester Guardian from 1917 until shortly before his death in 1975, is now known solely as a writer of essays on the game of cricket. During his lifetime, though, he was also one of England's foremost classical-music critics, and a stylist so widely admired that his Autobiography (1947) became a best-seller. He was knighted in 1967, the first music critic to be so honored. Yet only one of his books is now in print, and his vast body of writings on music is unknown save to specialists. Is there any chance that Cardus's criticism will enjoy a revival? The prospect seems remote. Journalistic tastes had changed long before his death, and postmodern readers have little use for the richly upholstered Vicwardian prose in which he specialized. Moreover, the amateur tradition in music criticism has been in headlong retreat.

阅读理解(3) Recently a questionnaire was distributed to some undergraduates and that 40 percent refused to acknowledge that they believed that cheating on examinations to be reprehensible

阅读理解Directions: There are 3 passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A., B., C. and D.. You should decide on the best choice and write the answer on the Answer Sheet.Passage OneThe history of clinical nutrition, or the study of the relationship between health and how the body takes in and utilizes food substances, can be divided into four distinct eras: the first began in the nineteenth century and extended into the early twentieth century when it was recognized for the first time that food contained constituents that were essential for human function and that different foods provided different amounts of these essential agents. Near the end of this era, research studies demonstrated that rapid weight loss was associated with nitrogen imbalance and could only be rectified by providing adequate dietary protein associated with certain foods.The second era was initiated in the early decades of the twentieth century and might be called “the vitamin period.” Vitamins came to be recognized in foods, and deficiency syndromes were described. As vitamins became recognized as essential food constituents necessary for health, it became tempting to suggest that every disease and condition for which there had been no previous effective treatment might be responsive to vitamin therapy. At that point in time, medical schools started to become more interested in having their curricula integrate nutritional concepts into the basic sciences. Much of the focus of this education was on the recognition of vitamin deficiency symptoms. Herein lay the beginning of what ultimately turned from ignorance to denial of the value of nutritional therapies in medicine. Reckless claims were made for effects of vitamins that went far beyond what could actually be achieved from the use of them.In the third era of nutritional history in the early 1950’s to mid-1960s, vitamin therapy began to fall into disrepute.Concomitant withthis, nutrition education in medical schools also became less popular. It was just a decade before this that many drug companies had found their vitamin sales skyrocketing and were quick to supply practicing physicians with generous samples of vitamins and literature extolling the virtue of supplementation for a variety of health-related conditions. Expectations as to the success of vitamins in disease control were exaggerated. As is known in retrospect, vitamin and mineral therapies are much less effective when applied to health-crisis conditions than when applied to long-term problems of under-nutrition that lead to chronic health problems.

阅读理解Many Native Americans closely resemble Asians. This has led most scientists to (1) believe something about Native Americans. They think that most Native Americans (2) from a distant group of people. These people (3) from Siberia across the Bering Strait, between 17,000-11,000 years ago. The exact time and 4 is still under question. That is, it is still a(n) (5) of debate. The time they traveled and the route they took is still being argued, as is whether it happened (6) . (7) recently, some anthropologists (人类学家) argued that the migration occurred 12,000 years ago. However, there are a number of difficulties with this theory — (8) particular, the presence of people in the Americas earlier than one might think. There is growing evidence of human (9) in Brazil and Chile 11,500 years ago or earlier. There is also (10) of humans living in the Americas some 50,000 years ago. (11) , other possibilities have been suggested. They may have (12) the land bridge several thousand years earlier or they may have sailed along the western coast. However, some (13) this theory. They think that humans (14) skills for sailing during that era. Some consider the genetic and cultural evidence for an Asian origin overwhelming. It should be noted, (15) , that some other people are very upset at this idea. Many present-day Native Americans (16) the above theories. They say those who put forward such theories have political (17) They have their own traditional stories that offer (18) of where they came from. Their own stories claim that their (19) are different from what scientists say. Those accounts, though, have mostly been (20) by scholars. Therefore, the origin of Americans still remains a mystery to be explored.

阅读理解Science is an enterprise concerned with gaining information about causality, or the relationship between cause and effect. A simple example of a cause is the movement of a paddle as it strikes a ping-pong ball; the effect is the movement of the ball through the air. In psychology and other sciences, the word "cause" is often replaced by the term "independent variable". This term implies that the experimenter is often "free" to vary the independent variable as he or she desires (for example, the experimenter can control the speed of the paddle as it strikes the ball). The term "dependent variable" replaces the word "effect", and this term is used because the effect depends on some characteristic of the independent variable (the flight of the ball depends on the speed of the paddle). The conventions of science demand that both the independent and dependent variables be observable events, as is the case in the ping-pong example. In the case of biorhythm theory, the independent variable is the number of days that have elapsed between a person''s date of birth and some test day. The dependent variable is the person''s level of performance on some specified task on the test day. Notice that although the experimenter is not free to choose a birthday for a given individual, persons with different dates of birth can be tested on the same day, or a single subject can be tested on several different days. 　　In order to predict the relationship between independent and dependent variables, many scientific theories make use of what are called intervening variables. Intervening variables are purely theoretical concepts that cannot be observed directly. To predict the flight of a ping-pong ball, Newtonian physics relies on a number of intervening variables, including force, mass, air resistance, and gravity. You can probably anticipate that the intervening variables of biorhythm theory are the three bodily cycles with their specified time periods. It should be emphasized that not all psychological theories include intervening variables, and some psychologists object to their use precisely because they are not directly observable. 　　The final major component of a scientific theory is its syntax, or the rules and definitions that state how the independent and dependent variables are to be measured, and that specify the relationships among independent variables, intervening variables, and dependent variables. It is the syntax of biorhythm theory that describes how to use a person''s birthday to calculate the current status of the three cycles. The syntax also relates the cycles to the dependent variable, performance, by stating that positive cycles should cause high levels of performance whereas low or critical cycles should cause low performance levels. To summarize, the components of a scientific theory can be divided into four major categories: independent variables, dependent variables, intervening variables, and syntax.

阅读理解Passage Three Questions 31 to 35 are based on the following passage

阅读理解It can be a special experience to go on a family trip during the holiday season, but one reason that many parents 【A6】 to stay home is the cost of travel

阅读理解Passage 3 We sometimes think humans are uniquely vulnerable to anxiety, but stress seems to affect the immune defenses of lower animals too

阅读理解Passage 1 Lets Help Eliminate Workplace Anger How many of you have been angry at least once today? asked the conductor of an anger-managementseminar

阅读理解阅读下面对话，根据其内容写一篇有关Mary去肯尼亚旅行的短文

阅读理解Text A Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing decisions that denied victory to their team

阅读理解Why do so many Americans distrust what they read in their newspapers? The American Society of Newspaper Editors is trying to answer this painful question. The organization is deep into a long self-analysis known as the journalism credibility project. Sad to say, this project has turned out to be mostly low-level findings about factual errors and spelling and grammar mistakes, combined with lots of head-scratching puzzlement about what in the world those readers really want. But the sources of distrust go way deeper. Most journalists learn to see the world through a set of standard templates (patterns) into which they plug each day'' s events. In other words, there is a conventional story line in the newsroom culture that provides a backbone and a ready-made narrative structure for otherwise confusing news. There exists a social and cultural disconnect between journalists and their readers, which helps explain why the "standard templates" of the newsroom seem alien to many readers. In a recent survey, questionnaires were sent to reporters in five middle-size cities around the country, plus one large metropolitan area. Then residents in these communities were phoned at random and asked the same questions. Replies show that compared with other Americans, journalists are more likely to live in upscale neighborhoods,have maids, own Mercedeses, and trade stocks, and they'' re less likely to go to church, do volunteer work, or put down roots in a community. Reporters tend to be part of a broadly defined social and cultural elite, so their work tends to reflect the conventional values of this elite. The astonishing distrust of the news media isn'' t rooted in inaccuracy or poor reportorial skills but in the daily clash of world views between reporters and their readers. This is an explosive situation for any industry, particularly a declining one. Here is a troubled business that keeps hiring employees whose attitudes vastly annoy the customers. Then it sponsors lots of symposiums and a credibility project dedicated to wondering why customers are annoyed and fleeing in large numbers. But it never seems to get around to noticing the cultural and class biases that so many former buyers are complaining about. If it did, it would open up its diversity program, now focused narrowly on race and gender, and look for reporters who differ broadly by outlook, values, education, and class.

阅读理解The classic difficulty felt with democracy arises from the fact that democracy can never express the will of the whole people because there never exists any such unchanging will (at least in any society that call itself democratic). The concept of government of the whole people by the whole people must be looked on as being in the poetry rather than in the prose of democracy; the fact of prose is that real democracy means government by some kind of dominant majority. 　　And the ever-present danger, repeatedly realized in fact, is that this dominant majority may behave toward those who are not of the majority in such a manner as to undermine the moral basis of the right of people, because they are people, to have some important say in the setting of their own course and in the use of their own faculties. Other forms of government may similarly fail to respect human independence. But there is at least no contradiction in that; the underlying assumption of every kind of government by wisers and betters is that people on the whole are not fit to manage their own affairs, but must have someone else do it for them, and there is no paradox when such a government treats its subjects without respect, or deals with them on the basis of their having no rights that the government must take into account. 　　But democracy affirms that people are fit to control themselves, and it cannot live in the same air with the theory that there is no limit to the extent to which public power--even the power of a majority--can interfere with the lives of people. 　　Rational limitation on power is therefore not a contradiction to democracy, but is of the very essence of democracy as such. Other sorts of government may impose such limitations on themselves as an act of grace. Democracy is under the moral duty of limiting itself because such limitation is essential to the survival of that respect for humankind which is in the foundations of democracy. Respect for the freedom of all people cannot, of course, be the only guide, for there would then be no government. Delicate ongoing compromise is what must be looked for. But democracy, unless it is to deny its own moral basis, must accept the necessity for making this compromise and for giving real weight to the claims of those without the presently effective political power to make their claims prevail in elections

阅读理解What does the underlined word"lives to ck"in（）paragraph 2 mean?

阅读理解There’s a stress gap between men and womenA) "I used to work very hard. I love to create things, grow them and solve problems," said Meng Li, a successful app developer in San Francisco. "I didn’t really care about my mind and my body until they decided to go on strike. "B) Ms. Li said her stress led to sleeplessness. When she did sleep, she experienced "problem-solving dreams," which left her feeling unrested when she woke up. "After I became a first-time mother, I quickly realized I was so busy caring for other people and work that I felt like I’d lost myself," she said.C) It’s a common story—one we frequently ridicule and readily dismiss, for example, by claiming that women tend to complain more than men, despite the growing sum of research that underlines the problem. Women are twice as likely to suffer from severe stress and anxiety as men, according to a 2016 study published in The Journal of Brain and even more stressed. After her own struggle with this, Ms. Li took a step back and used her experience to build Sanity & Self, a self-care app and platform for overworked women. "The realizations I had in that process helped me gain insights and ultimately got me ready to integrate self-care into my daily life," she said.I) The stress problem extends beyond mental health when you consider the link between stress, anxiety and heart health. Worse, most of what we know about heart disease comes from studies involving men. However, "there are many reasons to think that it’s different in women," Harvard Medical School reported. For example, women are more likely to experience disturbed sleep, anxiety and unusual fatigue before a heart attack. Stress is so normalized that it is easy for women to shrug off those symptoms as simply the consequences of stress. Many women also do not experience chest pain before a heart attack the way men do, which leads to fewer women discovering problematic heart issues. Harvard reports that women are "much more likely than men to die within a year of having a heart attack" and "many women say their physicians sometimes don’t even recognize the symptoms."J) The good news is, women are more likely than men to take charge of their stress and manage it, the American Psychological Association reports. The concept of self-care, at its core, is quite simple. "The basics of adequate sleep, healthy diet and exercise are a good place to start," Dr. Joyce said. "Support from trusted relationships is vital. This includes professional support from various health and wellness providers if stress is becoming increasingly overwhelming. "K) Disconnecting from work and home responsibilities is also obviously important. But it’s much easier said than done. It is important to understand what causes your stress in the first place. "Get really specific with what’s stressing you out," Ms. Li said. "We often chalk up our stress to broad experiences like work. But work stress can take many different forms. Is a colleague being disrespectful of your time? Is a boss undermining your day-to-day control over decision making? These are different causes of stress and can benefit from different kinds of self-care." L) Ideally, your spouse or partner will be supportive, rather than dismissive, of your stress. It is important to talk through these issues before they come to a head. "Women working outside of the home should make an effort to have a conscious conversation with their partners about more equitable sharing of household and family responsibilities," Dr. Joyce said.

阅读理解To paraphrase 18th-century statesman Edmund Burke, "all that is needed for the triumph of a misguided cause is that good people do nothing." One such cause now seeks to end biomedical research because of the theory that animals have rights ruling out their use in research. Scientists need to respond forcefully to animal rights advocates, whose arguments are confusing the public and thereby threatening advances in health knowledge and care. Leaders of the animal rights movement target biomedical research because it depends on public funding, and few people understand the process of health care research. Hearing allegations of cruelty to animals in research settings, many are perplexed that anyone would deliberately harm an animal. For example, a grandmotherly woman staffing an animal rights booth at a recent street fair was distributing a brochure that encouraged readers not to use anything that comes from or is tested in animals―no meat, no fur, no medicines. Asked if she opposed immunizations, she wanted to know if vaccines come from animal research. When assured that they do, she replied," Then I would have to say yes. "Asked what will happen when epidemics return, she said, "Don'' t worry, scientists will find some way of using computers. "Such well-meaning people just don'' t understand. Scientists must communicate their message to the public in a compassionate, understandable way--in human terms, not in the language of molecular biology. We need to make clear the connection between animal research and a grandmother'' s hip replacement, a father'' s bypass operation, a baby'' s vaccinations, and even a pet'' s shots. To those who are unaware that animal research was needed to produce these treatments, as well as new treatments and vaccines, animal research seems wasteful at best and cruel at worst. Much can be done. Scientists could" adopt" middle school classes and present their own research. They should be quick to respond to letters to the editor, lest animal rights misinformation go unchallenged and acquire a deceptive appearance of truth. Research institutions could be opened to tours, to show that laboratory animals receive humane care. Finally, because the ultimate stakeholders are patients, the health research community should actively recruit to its cause not only well-known personalities such as Stephen Cooper, who has made courageous statements about the value of animal research, but all who receive medical treatment. If good people do nothing, there is a real possibility that an uninformed citizenry, will extinguish the precious embers of medical progress.

阅读理解 Humanity has passed a milestone: more people live in cities than in rural areas. The current rate of urbanization is unprecedented in our history. In 1950, only 29% of people lived in cities, by 2050, 70% are projected to do so—most of them in poorer countries. Among many other issues, this rapid concentration makes cities a front line in the battles against climate change and pollution. Confronting the challenges of rampant urbanization demands integration multidisciplinary approaches, and new thinking. Take the building boom associated with the increased wealth of urban areas, and its impact on greenhouse-gas emissions as example. In China alone, the United Nations Environmental Program estimates the energy demand for heating homes build over the next decade could increase by some 430 terawatt-hours, or 4% of China's total energy use in 2003. Worldwide, the energy consumed by buildings already accounts for around 45% of greenhouse-gas emissions. Fortunately, researchers in Germany and elsewhere have already shown that they can reduce that energy consumption by 80%-90%, just by overhauling obsolete building designs and using existing technologies. These ultra-efficient buildings demand that planners, architects, engineers and building scientists work together from the outset, and require higher levels of expertise the conventional buildings. But such buildings are often cheaper than those built using conventions methods. Research is also needed to develop technologies, materials and energyconcepts; the green building research today is fragmented and poorly funded. Expanding cities must embrace such technologies and strategies—and not just in the developed nations. Many poorer countries have a rich tradition of adapting buildings to look at practices, environments and climates—a home-grown approach to integrated design that has been all but been lost in the West. They now have an opportunity to combine these traditional approaches with modem technologies. Integrated thinking is also needed to mitigate urban air pollution, which is becoming serious health and environmental risk in many regions—as shown by China's struggle to clean up Beijing's air for the Olympics. Understanding air pollution will require researchers from multiple disciplines, from atmospheric chemistry to meteorology, working over scales from street level to global. And reducing it will require integrated policies for urban planning, transport and housing—not least to reduce the use of cars.

阅读理解Directions: There are 4 passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A., B., C. and D.. You should deicide the best choice and mark the corresponding letter on the Answer Sheet with a single line through the center.Passage TwoThere is no denying that students should learn something about how computers work. There is no denying that students should learn something about how computers work, just as we expect them at least to understand that the internal-combustion engine has something to do with burning fuel, expanding gases and pistons being driven. For people should have some basic idea of how the things that they use do what they do. Further, students might be helped by a course that considers the computer’s impact on society. But that is not what is meant by computer literacy. For computer literacy is not a form of literacy; it is a trade skill that should not be taught as a liberal art.Learning how to use a computer and learning how to program one are two distinct activities. A case might be made that the competent citizens of tomorrow should free themselves from their fear of computers. But this is quite different from saying that all ought to know how to program one. Leave that to people who have chosen programming as a career. While programming can be lots of fun, and while our society needs some people who are experts at it, the same is true of auto repair and violin- making.Learning how to use a computer is not that difficult, and it gets easier all the time as programs become more “user-friendly”. Let us assume that in the future everyone is going to have to know how to use a computer to be a competent citizen. What does the phrase “learning to use a computer” mean? It sounds like “learning to drive a car”, that is, it sounds as if there is some set of definite skills that, once acquired, enable one to use a computer. In fact, “learning to use a computer” is much more like “learning to play a game”, but learning the rules of one game may not he1p you play a second game, whose rules may not be the same. There is no such a thing as teaching someone how to use a computer. One can only teach people to use this or that program and generally that is easily accomplished.