单选题A Great Quake Coming? Everyone who lives in San Francisco knows that earthquakes are common in the Bay Area--and they can be devastating．In 1906，for example，a major quake destroyed about 28,000 buildings and killed hundreds，perhaps thousands of people．Residents now wonder when the next“Big One”will strike．It's bound to happen someday．At least seven active fault(断层)lines run through the San Francisco area． Faults are places where pieces of Earth's crust(地壳)slide past each other．When these pieces slip，the ground shakes． To prepare for that day，scientists are using new techniques to reanalyze the 1906 earthquake and predict how bad the damage might be when the next one happens． One new finding about the 1906 quake is that the San Andreas fault split apart faster than scientists had assumed at the time．During small earthquakes，faults rupture(断裂)at about 2.7 kilometers per second．During bigger quakes，however．ruptures can happen at rates faster than 3.5 kilometers per second． At such high speeds，massive amounts of pressure build up，generating underground waves that can cause more damage than the quake itself．Lucky for San Francisco，these pressure pulses(脉冲)traveled away from the city during the 1906 event．As bad as the damage was，it could have been far worse． Looking ahead．scientists are trying to predict when the next major quake will occur．Records show that earthquakes were common before 1906．Since then，the area has been relatively quiet．Patterns in the data，however，suggest that the probability of a major earthquake striking the Bay Area before 2032 is at least 62 percent． New buildings in San Francisco are quite safe in case of future quakes．Still，more than 84 percent of the city's buildings are old and weak．Analyses suggest that another massive earthquake would cause extensive damage． People who live there today tend to feel safe because San Francisco has remained pretty quiet for a while．According to the new research，however．it's not a matter of“if”the Big One will hit．It's just a matter of when．

单选题Stress Level Tied to Education Level People with less education suffer fewer stressful days, according to a report in the current issue of the Journal of Health and Social Behavior. However, the study also found that when less-educated people did suffer stress it was more severe and had a larger impact on their health. From this, researchers have concluded that the day-to-day factors that cause stress are not random. Where you are in society determines the kinds of problems that you have each day, and how well you will cope with them. The research team interviewed a national sample of 1,031 adults daily for eight days about their stress level and health. People without a high school diploma reported stress on 30 percent of the study days, people with a high school degree reported stress 38 percent of the time, and people with college degrees reported stress 44 percent of the time. "Less advantaged people are less healthy on a daily basis and are more likely to have downward turns in their health," lead researcher Dr. Joseph Grzywacz, of Wake Forest University Baptist Medical Center, said in a prepared statement. "The downward turns in health were connected with daily stressors and the effect of daily stressors on their health is much more devastating for the less advantaged." Grzywacz suggested follow-up research to determine why less-educated people report fewer days of stress when it is known their stress is more acute and chronic. "If something happens every day, maybe it"s not seen as a stressor," Grzywacz says. "Maybe it is just life."

单选题The solid facts he provided in his speech left a deep impression on his audience.A. strongB. entireC. reliableD. hard

单选题Knowing that I had been out of work now, they were {{U}}unwilling{{/U}} to lend me money.

单选题Moral Issues One of the virtues in American culture is to help others. Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. Christmas also means lending a helping hand to people in need. Along with all the hubbub of shopping for presents and sending Christmas cards, many people in America take time to help others. In America and around the world, Christmas offers many opportunities to spread "Peace on earth, good will toward men". For example, Salvation Army bell ringers are a familiar sight to most Christmas shoppers. They stand outside malls and stores collecting money for the needy. Many churches and other organizations collect toys and clothes as Christmas gifts for poor families. The Christmas spirit encourages people to help each other in many large and small ways. The spirit of helping others isn't limited to Christmas. However, Americans help others year-round. Civic clubs such as the Lion's Club, the Elk's Club and the Rotary Club take part in local community projects. Many organizations exist just to help others. The Make a Wish Foundation gives terminally ill children a chance to have their dream come true. Habitat for Humanity helps poor people build their own houses. And besides supporting worthy causes with their money, thousands of Americans donate their time by serving as volunteers in hospitals, homeless shelters and schools. Another virtue Americans respect is perseverance. Remember Aesop's fable about the turtle and the rabbit that had a race? The rabbit thought he could win easily, so he took a nap. But the turtle finally won because he did not give up. Compassion may be the queen of American virtues. The story of "The Good Samaritan" from the Bible describes a man who showed compassion. On his way to a certain city, a Samaritan man found a poor traveler lying on the road. The traveler had been beaten and robbed. The kind Samaritan, instead of just passing by, stopped to help this person in need. Compassion can even turn into a positive cycle. In fall, 1992, people in Iowa sent truckloads of water to help Floridians hit by a hurricane. The next summer, during the Midwest flooding, Florida returned the favor. In less dramatic ways, millions of Americans are quietly passing along the kindness shown them. In no way can this brief description cover all the moral values honored by Americans. Courage, responsibility, loyalty, gratitude and many others could be discussed. In fact, Bennett's best-seller over 800 pages highlights just l0 virtues. Even Bennett admits that he has only scratched the surface. But no matter how long or short the list is, moral values are invaluable. They are the foundation of American culture and any culture.

单选题The index is the government’s chief{{U}} gauge {{/U}}of future economic activity

单选题At age twenty-five Orson Welles {{U}}stunned{{/U}} the film world with his movie Citizen Kane.

单选题What Is Globalization? It was the anti-globalization movement that really put globalization on the map. As a word it has existed since the 1960s, but the protests against this allegedly new process, which its opponents condemn as a way of ordering people"s lives, brought globalization out of the financial and academic worlds and into everyday current affairs. In the late 1980s and early 1990s, the business model called the "globalized" financial market came to be seen as an entity that could have more than just an economic impact on the parts of the world it touched. Globalization came to be seen as more than simply a way of doing business, or running financial markets—it became a process. From then on the word took on a life of its own. So how does the globalized market work? It is modern communications that make it possible; for the British service sector to deal with its customers through a call centre in India, or for a sportswear (运动服) manufacturer to design its products in Europe, make them in southeast Asia and sell them in north America. But this is where the anti-globalization side gets stuck in (关注). If these practices replace domestic economic life with an economy that is heavily influenced or controlled from overseas. Then the creation of a globalized economic model and the process of globalization can also be seen as a surrender of power to the corporations, or a means of keeping poorer nations in their place. Not everyone agrees that globalization is necessarily evil, or that globalized corporations are running the lives of individuals or are more powerful than nations. Some say that the spread of globalization, free markets and free trade into the developing world is the best way to beat poverty—the only problem is that free markets and free trade do not yet truly exist. Globalization can be seen as a positive, negative or even marginal process. And regardless of whether it works for good or ill, globalization"s exact meaning will continue to be the subject of debate among those who oppose, support or simply observe it.

单选题{{B}}第三篇{{/B}} Volcanic fire and glacial ice are natural enemies. Eruptions at glaciated volcanoes typically destroy ice fields, as they did in 1980 when 70 percent of Mount Saint Helens ice cover was de molished. During long dormant intervals, glaciers gain the upper hand cutting deeply into volcanic cones and eventually reducing them to rubble. Only rarely do these competing forces of heat and cold operate in perfect balance to create phenomenon such as the steam caves at Mount Rainier Park. Located inside Rainier's two ice-filled summit craters, these caves form a labyrinth of tunnels and vaulted chambers about one and one-half miles in total length. Their creation depends on an unusual combination of factors that nature almost never brings together in one place. The cave-making recipe calls for a steady emission of volcanic gas and heat, a heavy annual snowfall at an elevation high enough to keep it from melting during the summer, and a bowl-shaped crater to hold the snow. Snow accumulating yearly in Rainier's summit craters is compacted and compressed into a dense form of ice called firn, a substance midway between ordinary ice and the denser crystalline ice that makes up glaciers. Heat rising from numerous openings (called fumaroles) along the inner crater walls melts out chambers between the rocky walls and the overlying ice pack. Circulating currents of warm air then melt additional opening in the firn ice, eventually connecting the individual chambers and, in the larger of Rainier's two craters, forming a continuous passageway that extends two-thirds of the way around the crater' s interior. To maintain the cave system, the elements of fire under ice must remain in equilibrium, Enough snow must fill the crater each year to replace that melted from below. If too much volcanic heat is discharged, the crater' s ice pack will melt away entirely and the caves will vanish along with the snows of yesteryear. If too little heat is produced, the ice replenished annually by winter snowstorms will expand, pushing against the enclosing crater wails and smothering the present caverns in solid firn ice.

单选题It is easy to misjudge the strength of the wind.

单选题We can't take more than 100 guests. A. hold B. set C. let D. catch

单选题We can not go on quarrelling like this. A. choose B. prepare C. continue D. advice

单选题阅读下面这篇短文，短文后列出了7个句子，请根据短文的内容对每个句子作出判断。如果该句提供的是正确信息，请选择A项；如果该句提供的是错误信息，请选择B项；如果该句的信息文章中没有提及，清选择C项。 {{B}}New Product Will Save Lives{{/B}} Drinking water that looks clean may still contain bugs (虫子), which can cause illness. A small company called Genera Technologies has produced a testing method in three stages, which shows whether water is safe. The new test shows if water needs chemicals added to it to destroy anything harmful. It was invented by scientist Dr.'Adrian Patton, who started Genera five years ago. He and his employees have developed the test together with a British water company. Andy Headland, Genera's marketing director, recently presented the test at a conference in the USA and forecast good American sales for it. Genera has already sold 11 of its tests at $ ;42,500 a time in the UK and has a further four on order. It expects to sell another 25 tests before the end of March. The company says it is the only test in the UK to be approved by the government. Genera was formed five years ago and until October last year had only five employees; it now employs 14. Mr. Headland believes that the company should make around $19 million by the end of the year in the UK alone.

单选题 阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 {{B}}Students' Evaluation of Classroom Teaching{{/B}} For the past two years, I have been working on students' evaluation of classroom teaching. I have kept a record of informal conversations{{U}} (51) {{/U}}some 300 students from at least twenty--one colleges and universities. The students were generally{{U}} (52) {{/U}}and direct in their comments{{U}} (53) {{/U}}how course work could be better{{U}} (54) {{/U}}. Most of their remarks were kindly taken --with tolerance rather than bitterness--and frequently were softened by the{{U}} (55) {{/U}}that the students were speaking{{U}} (56) {{/U}}some, not all, instructors. Nevertheless,{{U}} (57) {{/U}}the following suggestions and comments indicate, students feel dissatisfied with things--as--they --are in the classroom. Professors should be{{U}} (58) {{/U}}from reading lecture notes. "It makes their{{U}} (59) {{/U}}monotonous(单调的)." If they are going to read, why not{{U}} (60) {{/U}}out copies of the lecture? Then we shouldn't need to go to class. Professors should{{U}} (61) {{/U}}repeating in lectures material that is in the textbook."{{U}} (62) {{/U}}we've read the material, we want to{{U}} (63) {{/U}}it or hear it elaborated on, not repeated." "A lot of students hate to buy a{{U}} (64) {{/U}}text that the professor has written{{U}} (65) {{/U}}to have his lectures repeat it. '

单选题Some physicists have proposed that sunspots and solar wind have negligible effects on the earth"s weather.

单选题Techniques to harness the energy of the sun are being developed.A. convertB. storeC. utilizeD. receive

单选题Batteries Built by Viruses What do chicken pox, the common cold, the flu, and AIDS have in common? They"re all disease caused by viruses, tiny microorganisms that can pass from person to person. It"s no wonder that when most people think about viruses, finding ways to steer clear of viruses is what"s on people"s minds. Not everyone runs from the tiny disease carriers, though. In Cambridge, Massachusetts, scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work, teaching them to build some of the world"s smallest rechargeable batteries. Viruses and batteries may seem like an unusual pair, but they"re not so strange for engineer Angela Belcher, who first came up with the idea. At the Massachusetts Institute of Technology (MIT) in Cambridge, she and her collaborators bring together different areas of science in new ways. In the case of the virus-built batteries, the scientists combine what they know about biology, technology and production techniques. Belcher"s team includes Paula Hammond, who helps put together the tiny batteries, and Yet-Ming Chiang, an expert on how to store energy in the form of a battery. "We"re working on things we traditionally don"t associate with nature," says Hammond. Many batteries are already pretty small. You can hold A, C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year, new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink, ordinary bakeries won"t be small enough to fit inside. The ideal battery will store a lot of energy in a small package. Right now, Belcher"s model battery, a metallic disk completely built by viruses, looks like a regular watch battery. But inside, its components are very small—so tiny you can only see them with a powerful microscope. How small are these battery parts? To get some idea of the size, pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is—pretty thin, right? Although the width of each person"s hair is a bit different, you could probably fit about 10 of these virus-built battery parts, side to side, across one hair. These microbatteries may change the way we look at viruses.

单选题

单选题The soldier displayed remarkable courage in the battle.

单选题The development of the transistor and integrated circuits revolutionized the electronics industry by allowing components to be packaged more densely. A. compactly B. inexpensively C. quick D. carefully