单选题The structural approach to the analysis of language is connected with ______. A. THEME and RHEME B. GOVERNMENT and BINDING C. IMMEDIATE CONSTITUENT ANALYSIS

单选题Polar explorers have to be extremely ______ to endure the abominable climate and other hardships.

单选题I am standing on the seventh-floor balcony of an apartment building overlooking the heart of Moscow. It is a dark city, some might say grim. It looks and feels as if it has been worn down to its bare bones: broken sidewalks, cracked facades, weeds rooted in the very mortar. This city is not easy to look at. So I avert my eyes, and they settle on a little boy sleeping inside the apartment. His name is Alexei. He is 7. With every rise and fall of his chest, Moscow, the used, broken city, is renewed for me a thousand times. A dark place has given me light in the form of my adoptive son. Alexei has been my son for only two days, but I have been waiting three years for him. That's when I began the adoption process, three years ago, before I even knew of Alexei's existence. Never in my imaginings did I think that I would one day be so far from home, counting my son's breaths, counting the hours until we would board a plane for America, a place that he had no conception of "Alexei, " I had said through a translator as I knelt before him at the orphanage and helped him with his socks. " What do you know about America?" His reply was immediate: "I will have all the gum I want. " Most people adopt infants or very little children so that as much of their history as possible will be given to them by their parents. But Alexei carries a radiance of native culture: his memories of orphanage life in the once-closed city of Tula; the large, gracious, doting Russian women who have cared for him all his life; the aromatic Russian food he loves, and the language, that impossible, expressive, explosive Russian language that sometimes separates me from him like a wall, but also summons us to heroic legends as we attempt to communicate. I have been in Russia for two weeks. But it wasn't until the fourth day that I was brought to see Alexei. My Russian contact drove me through 100 miles of a country struggling to get back on its feet after years of internal neglect; pitted roadways, crumbling bridges, warped roofs. It made me recall what someone had once said about Russia, that she is a third-world country with a first-world army. We finally came to an orphanage. Once inside, I stood in a near-empty room, reminding myself that this was the culmination of three years of scrutiny, disappointment, and dead-ends. There were moments when I had told myself, "It's so much easier to have a kid the natural way. Nobody asks any questions. " But as a single man, a biological child was not a ready option. I now recognized these as idle thoughts, for I realized that Alexei, even sight unseen, would be as much mine as if he were my natural son. The door opened. A woman came out, her hand on the shoulder of a little boy just awakened from sound sleep. I gave Alexei a Pez candy dispenser, something as alien to him as life in America. After a few moments of scrutiny, he filled with candy, a sure sign of intelligence, for Pez, dispensers are notoriously difficult to load. At the end of our first meeting I knelt before Alexei and told him I would be back to get him in a week.

单选题During the storm we took ______ in the doorway of a shop．

单选题The idea of test-tube babies may make you either delighted at the wonders of modern medicine or irritated while considering the moral, or legal, or technological implications of starting life in a laboratory. But if you've ever been pregnant yourself, one thing is certain: You wonder what it's like to carry a test-tube baby. Are these pregnancies normal? Are the babies normal? The earliest answers come from Australia, where a group of medical experts at the Queen Victoria Medical Center in Melbourne have taken a look at the continent's first nine successful in vitro pregnancies. The Australians report that the pregnancies themselves seemed to proceed according to plan, but at birth some unusual trends did show up. Seven of the nine babies turned out to be girls. Six of the nine were delivered by Caesarean section. Undone baby, a twin, was born with a serious heart defect and a few days later developed life-threatening problems. What does it all mean? Even the doctors don't know for sure, because the numbers are so small. The proportion of girls to boys is high, but until there are many more test-tube babies none will know whether that's something that just happened to be like that or something special that happens when egg meets sperm in a test tube instead of a Fallopian tube. The same thing is true of the single heart defect; it usually shows up in only 15 out of 60, 000 births in that part of Australia, but the fact that it occurred in one out of nine test-tube babies does not necessarily mean that they are at special risk. One thing the doctors can explain is the high number of Caesareans. Most of the mothers were older, had long histories of fertility problems and in some cases had had surgery on the fallopian tubes, all of which made them likely candidates for Caesareans anyway. The Australian researchers report that they are quite encouraged. All the babies are now making normal progress even the twin with the birth defects.

单选题Which comments disagree with the author on the author on the cause of soda sale slowdown?

单选题A person's caloric requirements vary ______ his life.

单选题Between the invention of agriculture and the commercial revolution that marked the end of the Middle Ages, wealth and technology developed slowly indeed. Medieval historians tell of the centuries it took for key inventions like the watermill or the heavy plow to diffuse across the landscape. During this period, increases in technology led to increases in the population, with little if any appearing as an improvement in the median standard of living. Even the first century of the industrial revolution produced more "improvements" than "revolutions" in standards of living. With the railroad and the spinning and weaving of textiles as important exceptions, most innovations of that period were innovations in how goods were produced and transported, and in new kinds of capital, but not in consumer goods. Standards of living improved but styles of life remained much the same. The eighteenth and nineteenth centuries saw a faster and different kind of change. For the first time, technological capability outran population growth and natural resource scarcity. By the last quarter of the nineteenth century, the typical inhabitant of the leading economies—a British, a Belgian, an American, or an Australian had perhaps three times the standard of living of someone in a pre-industrial economy. Still, so slow was the pace of change that people, or at least aristocratic intellectuals, could think of their predecessors of some two thousand years before as effectively their contemporaries. Marcus Tullius Cicero, a Roman aristocrat and politician, might have felt more or less at home in the company of Thomas Jefferson. The plows were better in Jefferson's time. Sailing ships were much improved. However, these might have been insufficient to create a sense of a qualitative change in the order of life for the elite. Moreover, being a slave of Jefferson was probably a lot like being a slave of Cicero. So slow was the pace of change that intellectuals in the early nineteenth century debated whether the industrial revolution was worthwhile, whether it was an improvement or a degeneration in the standard of living. Opinions were genuinely divided, with as optimistic a liberal as John Stuart Mill coming down on the "pessimist" side as late as the end of the 1840s. In the twentieth century, however, standards of living exploded. In the twentieth century, the magnitude of the growth in material wealth has been so great as to make it nearly impossible to measure. Consider a sample of consumer goods available through Montgomery Ward in 1895 when a one-speed bicycle cost $65. Since then, the price of a bicycle measured in "nominal" dollars has more than doubled (as a result of inflation). Today, the bicycle is much less expensive in terms of the measure that truly counts, its "real" price: the work and sweat needed to earn its east. In 1895, it took perhaps 260 hours' worth of the average American worker's production to amass enough money to buy a one-speed bicycle. Today an average American worker can buy one—and of higher quality—for less than 8 hours worth of production. On the bicycle standard (measuring wealth by counting up how many bicycles the labor can buy) the average American worker today is 36 times richer than his or her counterpart was in 1895. Other commodities would tell a different story. An office chair has become 12.5 times cheaper in terms of the time it takes the average worker to produce enough to pay for it. A Steinway piano or an accordion is only twice as cheap. A silver teaspoon is 25 percent more expensive. Thus the answer to the question "How much wealthier are we today than our counterparts of a century ago?" depends on which commodities you view as important. For many personal services—having a butler to answer the door and polish your silver spoons—you would find little difference in average wealth between 1895 and 1990: an hour of a butler's time costs about the same then as now. For mass-produced manufactured goods—like bicycles—we are wealthier by as much as 36 times.

单选题The WHO has to come up with new and effective measures to______the spread of the epidemic disease.

单选题Earlier this year, 13-year-old Shannon Sullivan was socializing in the same way as dozens of her classmates. She maintained a personalized page on a website that contained her photograph and details about what makes her unique. But then her mother found out. And now her site and those of her friends—once lovingly adorned with everything from sound bites to video clips—are fast disappearing at the insistence of their safety-minded parents. " They're not aware how easily something predatory can happen over the Internet, " says Shannon's mother, Margaret, " Maybe when they're older, in college or something, but it's just not safe before that. " Internet stalkers have killed at least four minors in the past three years, and law enforcement authorities count about 5,000 reports of attempted sexual predation over the Internet in the past year, according to Parry Arab, executive director of an Internet safety organization. Given such statistics, parents need to get over the feeling that they're invading their children's privacy by reading their blogs, Ms. Aftab says. She believes that parents must bring their judgment to bear on the content of what's posted. Others fear, however, that certain precautions could amount to swatting a fly with a sledgehammer, and could take a hefty toll on family life. The likelihood of tragedy is far greater whenever a child rides in a car or goes swimming than when he or she posts his or her name, photograph, and other personal information on the Internet, says Laurence Steinberg, an expert in adolescent psychology at Temple University. " The downside of prohibiting it is worse than the downside of allowing it, " he says. " A good parent-child relationship is based on trust. I think people do get especially worked up for some reason over the Internet. But snooping on what your child does on the Internet, to me in some ways, is no different from reading your child's diary. " Though the value of pursuing a reasonable level of safety goes undisputed in this discussion, adults differ on the value of increasing a child's freedom and privacy over time, especially in cyberspace. Aftab supports adolescent privacy with pen-and-paper diaries, for instance, because the content there is " between the child and the page, " whereas website content is " for the whole world to see. " Posting private Web content before age 16 only invites trouble, she says, yet many teens do it in a highly public bid for " attention, recognition, and affection. " Still, Steinberg says, while parents need to monitor Web usage by teens, they also should accept that they won't always know everything about a child's life, especially as children become older teens. " There are going to be lots of things that I don't know about in my child's life, and that's OK, " Steinberg says. " It's part of the development process. /

单选题The toys most boys play with are different from those that girls play with because ______.

单选题Supermarkets promise to provide all we need in a low-price, one-stop shop, but they sell mediocre food, kill town centers and______our souls.

单选题Countries within the European Economic Community grant certain commercial ______ to each other.

单选题According to scientists, if the energy in the atmosphere were put under our control, what would happen?

单选题It is rather______that we still do not know how many species there are in the world today.

单选题Man: How did you like the new exhibit at the art gallery? Woman: I still haven't been able to take any time off from studying. Question: What does the woman mean? A. She prefers the artists she has studied. B. She hopes they will take some of the paintings away. C. She hasn't gone to see the exhibit yet. D. She doesn't want to describe the exhibit.

单选题By the end of this month we surely ______a satisfactory solution to the problem. A. have found B. will have found C. will be binding D. are binding

单选题{{B}}Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the Answer Sheet.{{/B}} Mary Anning (1799-1847) was a British fossil hunter who began finding{{U}} (21) {{/U}}as a child, and soon supported herself and her very{{U}} (22) {{/U}}family by finding and selling fossils. Very{{U}} (23) {{/U}}is known about her life, but her father was a cabinet maker and he also{{U}} (24) {{/U}}local fossils. Mary{{U}} (25) {{/U}}on the southern coast of England, in a town called Lyme Regis. Its famous{{U}} (26) {{/U}}by the sea contain{{U}} (27) {{/U}}fossil layers that{{U}} (28) {{/U}}from the Triassic, Jurassic and Cretaceous periods (the{{U}} (29) {{/U}}of the dinosaurs, other bizarre reptiles, large insects, sea creatures, {{U}}(30) {{/U}}mammals, and{{U}} (31) {{/U}}life forms). Mary Anning{{U}} (32) {{/U}}and prepared the first fossilized plesiosaur (an ocean-dwelling reptile) and the first Ichthyosaurus (an ocean-dwelling reptile that{{U}} (33) {{/U}}like a dolphin). She found many other important fossils, including Pterodactylus (a flying reptile), sharks (and other fish), and so on. {{U}}(34) {{/U}}with her brother Joseph, Mary supplied prepared fossil specimens to{{U}} (35) {{/U}}museums, scientists, and private collections.

单选题Critical thinkers are (able) to identify (main) issues, recognize (underlying) assumptions, and (evaluating) evidence.A. ableB. mainC. underlyingD. evaluating