单选题The author's attitude toward the influence of advertisement on people's habits is ______.

单选题[Focus on Halliday's register theory] A. field of discourse B. theme of discourse C. tenor of discourse D. 1node of discourse

单选题The English people are ________, and the Scots, Wales and Irish are ________.

单选题In terms of the meaning expressed by words, they can be classified into ______. A. grammatical words and lexical words B. content words and lexical words C. grammatical words and function words

单选题Which of the following is a main branch of linguistics? A. Macrolinguistics. B. Psycholinguistics. C. Sociolinguistics

单选题The questions in this group are based on the content of a passage. After reading the passage, choose the best answer to each question. Answer all questions following the passage on the basis of what is stated or implied in the passage. Of all aspects of Indian culture, the caste system is perhaps the most bewildering to outsiders. For visitors unaccustomed to this system of hereditary social divisions, the complex and mostly unwritten rules governing whom a person can marry, what kind of work she can do, and even what kind of food she can eat may seem puzzling and mysterious. One reason for this confusion is that the concept of caste is actually divided into two separate but related concepts in Indian culture: varna and jati. Varna, which literally means "color," is the most basic social division. There are four varna: the Brahmans, the traditional priest class; the Kshatriya, the warrior class; the Vaishya, the skilled workers and merchants; and the Sudra, laborers whose role is to serve the three higher classes. Below the Sudra are a class known as the Untouchables, who technically fall outside of the varna system because they are supposedly "unclean" in a ritual sense. The Untouchables are the lowest class in India, but they make life possible for everyone else because they take care of the jobs that would "pollute" the higher classes, such as working with dead animals or cleaning sewage. The Indian statesman Mohandas Gandhi, in an effort to promote social equality, encouraged people to refer to Untouchables as the Harijan, which means "Children of God." Each varna is then divided into hundreds or thousands of jati, a term that literally means "birth." The jati are kinship groups with hereditary roles and professions, such as leatherworker or brick-maker. Observant Hindus have traditionally married within their varna and jati. The origins of the caste system are obscure. The prevailing theory among anthropologists is that the Varna system emerged shortly after the so-called Aryan Invasion of the second millennium B.C. According to this theory, a population of Indo-European invaders conquered northern India around 1500 B.C. The Indo-Europeans placed themselves in the three highest rungs of society (Brahman, Kshatriya, and Vaishya), corresponding to the traditional division of Indo-European societies into priests, warriors, and commoners, while placing the conquered local populations into the worker classes of the Sudra and the Untouchables. This theory does not account for the jati system, however, which has parallels in no other Indo-European society. Most anthropologists suggest that the jati system predates the varna system, and that it might have originated in the Harappan civilization that prevailed in northern India prior to the Aryan Invasion.

单选题Millions of Americans and foreigners see GI. Joe as a mindless war toy, the symbol of American military adventurism, but that"s not how it used to be. To the men and women who 1 in World War Ⅱ and the people they liberated, the GI. was the 2 man grown into hero, the pool farm kid torn away from his home, the guy who 3 all the burdens of battle, who slept in cold foxholes, who went without the 4 of food and shelter, who stuck it out and drove back the Nazi reign of murder. This was not a volunteer soldier, not someone well paid, 5 an average guy, up 6 the best trained, best equipped, fiercest, most brutal enemies seen in centuries. His name isn"t much. GI. is just a military abbreviation 7 Government Issue, and it was on all of the articles 8 to soldiers. And Joe? A common name for a guy who never 9 it to the top. Joe Blow, Joe Magrac ... a working class name. The United States has 10 had a president or vice-president or secretary of state Joe. GI. Joe had a 11 career fighting German, Japanese, and Korean troops. He appears as a character, or a 12 of American personalities, in the 1945 movie The Story of GI. Joe, based on the last days of war correspondent Ernie Pyle. Some of the soldiers Pyle 13 portrayed themselves in the film. Pyle was famous for covering the 14 side of the war, writing about the dirt-snow-and-mud soldiers, not how many miles were 15 or what towns were captured or liberated. His reports 16 the "Willie" cartoons of famed Stars and Stripes artist Bill Maulden. Both men 17 the dirt and exhaustion of war, the 18 of civilization that the soldiers shared with each other and the civilians: coffee, tobacco, whiskey, shelter, sleep. 19 Egypt, France, and a dozen more countries, G. I. Joe was any American soldier, 20 the most important person in their lives.

单选题Ofthefollowing,whichismostnearlyequaltobutnotgreaterthan?A.3.7B.3.8C.3.9D.4.0E.4.1

单选题Theequationrelatesthevaluesoftwolinkedcurrencies,whereRisthevalueindollarsofonecurrencyandSisthevalueindollarsoftheothercurrency.WhichofthefollowingequationscanbeusedtoconvertdollarvaluesfromtheRcurrencytotheScurrency?

单选题For the past few months, artificial intelligence (AI) has been a much talked about topic in the worlds of both pop culture and science. Last November saw the release of Oscar-nominated and winning biopic, "The Imitation Game", about the father of the modern computer, Alan Turing. Last month, another Hollywood film about clever robots, Chappie, hit theaters. Is artificial intelligence a boon or does it spell doom for humans? In their book, authors Erik Brynjolfsson and Andrew McAfee, both of whom hail from MIT, US, could barely hide their excitement toward the rise of machines. According to the authors, we are entering an age of accelerated development of artificial and robotic technology. "Digital machines have escaped their narrow confines and started to demonstrate broad abilities in pattern recognition, complex communication, and other domains that used to be exclusively human," write the authors. "We"ve recently seen great progress in natural language processing, machine learning, computer vision, simultaneous localization and mapping, and many other areas. "We"re going to see artificial intelligence do more and more, and as this happens costs will go down, outcomes will improve, and our lives will get better." Already AI can help blind people see and deaf people hear. And wheelchairs have been invented that can be controlled by thoughts. We are going to witness more innovations and wonders made possible by AI, according to the authors. However, not all are equally enthusiastic about AI. A February report from the Global Challenges Foundation listed AI, alongside extreme climate change, nuclear war and ecological catastrophe, as "risks that threaten human civilization". Many preeminent scientists share the same concern. Stephen Hawking told the BBC last December that "the development of full artificial intelligence could spell the end of the human race." "It would take off on its own, and redesign itself at an ever increasing rate," he said: "Humans, who are limited by slow biological evolution, couldn"t compete, and would be replaced." Hawking"s worry echoed that of Tesla and SpaceX boss Elon Musk, who said in last October at an MIT conference that "we should be very careful about artificial intelligence. If I had to guess at what our biggest existential threat is, it"s probably that".

单选题If 35 percent of 400 is 20 percent of x, then x= A. 200 B. 350 C. 7O0 D. 900 E. 1,400

单选题A wholesale fruit distributor, in an effort to increase its profit margins, has proposed cutting the tops off of the pineapples it ships in order to increase the number of pineapples it can ship in a standard-size truck. Which of the following, if true, gives the strongest evidence that the fruit distributor's plan will increase its profit margins? A. Pineapples with the tops cut off have been shown to rot three times faster than uncut fruit. B. Customers buy whole pineapples in part because of their exotic, spiky appearance. C. Cutting the tops off of pineapples may inadvertently remove some of the fruit within. D. The fruit distributor ships primarily to a fruit canning company that has no use for pineapple tops. E. Pineapple juice has been shown to be an even more potent source of vitamin C than orange or cranberry juice.

单选题In an essay, entitled "Making It in America", the author Adam Davidson relates a joke from cotton country about just how much a modern textile mill has been automated: "The average mill only has two employees today—a man and a dog. The man is there to feed the dog, and the dog is there to keep the man away from the machines." Davidson"s article is one of a number of pieces that have recently appeared making the point that the reason we have such stubbornly high unemployment and declining middleclass incomes today is also because of the advances in both globalization and the information technology revolution, which are more rapidly than ever replacing labor with machines or foreign workers. In the past, workers with average skills, doing an average job, could earn an average lifestyle. But, today, average is officially over. Being average just won"t earn you what it used to. It can"t when so many more employers have so much more access to so much more above average cheap foreign labor, cheap robotics, cheap software, cheap automation and cheap genius. Therefore, everyone needs to find their extra—their unique value contribution that makes them stand out in whatever is their field of employment. Yes, new technology has been eating jobs forever, and always will. But there"s been an acceleration. As Davidson notes, "In the 10 years ending in 2009, U.S. factories shed workers so fast that they erased almost all the gains of the previous 70 years; roughly one out of every three manufacturing jobs—about 6 million in total—disappeared." There will always be change—new jobs, new products, new services. But the one thing we know for sure is that with each advance in globalization and the I. T. revolution, the best jobs will require workers to have more and better education to make themselves above average. In a world where average is officially over, there are many things we need to do to support employment, but nothing would be more important than passing some kind of G. I. Bill for the 21st century that ensures that every American has access to post-high school education.

单选题Scientists have found that although we are prone to snap overreactions, if we take a moment and think about how we are likely to react, we can reduce or even eliminate the negative effects of our quick, hard-wired responses. Snap decisions can be important defense mechanisms; if we are judging whether someone is dangerous, our brains and bodies are hard-wired to react very quickly, within milliseconds. But we need more time to assess other factors. To accurately tell whether someone is sociable, studies show, we need at least a minute, preferably five. It takes a while to judge complex aspects of personality, like neuroticism or open-mindedness. But snap decisions in reaction to rapid, even subliminal stimuli aren"t exclusive to the interpersonal realm. Psychologists at the University of Toronto found that viewing a fast-food logo for just a few milliseconds primes us to read 20 percent faster, even though reading has little to do with eating. We unconsciously associate fast food with speed and impatience and carry those impulses into whatever else we"re doing. Subjects exposed to fast-food flashes also tend to think a musical piece lasts too long. Yet we can reverse such influences. If we know we will overreact to consumer products or housing options when we see a happy face (one reason good sales representatives and real estate agents are always smiling), we can take a moment before buying. If we know female job screeners are more likely to reject attractive female applicants, we can help screeners understand their biases or hire outside screeners. John Gottman, the marriage expert, explains that we quickly "thin slice" information reliably only after we ground such snap reactions in "thick sliced" long-term study. When Dr. Gottman really wants to assess whether a couple will stay together, he invites them to his island retreat for a much longer evaluation, two days, not two seconds. Our ability to mute our hard-wired reactions by pausing is what differentiates us from animals: primates and dogs can think about the future only intermittently or for a few minutes. But historically we have spent about 12 percent of our days contemplating the longer term. Although technology might change the way we react, it hasn"t changed our nature. We still have the imaginative capacity to rise above temptation and reverse the high-speed trend.

单选题The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others. These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

单选题Accordingtothearticle,whichofthefollowingstatementsaboutthedomesticationprocessofdogsisTRUE?

单选题Shopping habits in the United States have changed greatly in the last quarter of the 20th century. 1 in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was 2 on both sides with many 3 businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. 4 , some shops offered 5 These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. 6 in the 1950s, a change began to 7 Too many automobiles had crowded into Main Street 8 too few parking places were 9 shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces 10 the city limits. Open space is what their car-driving customers needed. And open space is what they got 11 the first shopping centre was built. Shopping centers, or rather malls, 12 as a collection of small new stores 13 crowded city centers. 14 by hundreds of free parking space, customers were drawn away from 15 areas to outlying malls. And the growing 16 of shopping centers led 17 to the building of bigger and better stocked stores. 18 the late 1970s, many shopping malls had almost developed into small cities themselves. In addition to providing the 19 of one stop shopping, malls were transformed into landscaped parks, 20 benches, fountains, and outdoor entertainment.

单选题Although many people would not believe it, the mosquito is actually the most dangerous animal in Africa. While the bite of the black mamba is invariably lethal when untreated, this dreaded snake kills only a few dozen people per year. Hippopotami, with their immense strength and foul dispositions, kill hundreds of people per year in rivers and lakes, but the mosquito is still more dangerous. Mosquitoes bite hundreds of millions of people in Africa every year, and they infect over a million each year with malaria, a disease that is often fatal. Which of the following questions would be most useful in evaluating the claim made above regarding the mosquito? A. Could a person survive an attack by a black mamba if that person received prompt medical attention? B. What criteria are used to determine which animal is the "most dangerous" animal? C. Could the incidence of mosquito bites be decreased through the judicious use of pesticides and insect repellent? D. Does malaria kill more people per year in Africa than tuberculosis? E. How does the percentage of people who survive hippopotamus attacks in Africa each year compare with the percentage of people who survive mosquito bites?

单选题Even in traditional offices, "the lingua franca of corporate America has gotten much more emotional and much more right-brained than it was 20 years ago," said Harvard Business School professor Nancy Koehn. She started spinning off examples. "If you and I parachuted back to Fortune 500 companies in 1990, we would see much less frequent use of terms like journey, mission, and passion. There were goals, there were strategies, there were objectives, but we didn"t talk about energy: we didn"t talk about passion. " Koehn pointed out that this new era of corporate vocabulary is very "team"-oriented—and not by coincidence. "Let"s not forget sports—in male-dominated corporate America, it"s still a big deal. It"s not explicitly conscious; it"s the idea that I"m a coach, and you"re my team, and we"re in this together. There are lots and lots of CEOs in very different companies, but most think of themselves as coaches and this is their team and they want to win." These terms are also intended to infuse work with meaning—and, as Khurana points out, increase allegiance to the firm. "You have the importation of terminology that historically used to be associated with non-profit organizations and religious organizations. Terms like vision, values, passion, and purpose," said Khurana. This new focus on personal fulfillment can help keep employees motivated amid increasingly loud debates over work-life balance. The "mommy wars" of the 1990s are still going on today, prompting arguments about why women still can"t have it all and books like Sheryl Sandberg"s Lean In, whose title has become a buzzword in its own right. Terms like unplug, offline, life-hack, bandwidth, and capacity are all about setting boundaries between the office and the home. But if your work is your "passion," you"ll be more likely to devote yourself to it, even if that means going home for dinner and then working long after the kids are in bed. But this seems to be the irony of office speak: Everyone makes fun of it, but managers love it, companies depend on it, and regular people willingly absorb it. As Nunberg said, "You can get people to think it"s nonsense at the same time that you buy into it." In a workplace that"s fundamentally indifferent to your life and its meaning, office speak can help you figure out how you relate to your work—and how your work defines who you are.

单选题The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether Ａ. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Ｂ. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. Ｃ. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. Ｄ. EACH statement ALONE is sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.