单选题[此试题无题干]

单选题[此试题无题干]

单选题Competition makes losers as well as winners.This fact makes a simple rule for judging when it is useful to society and when it is dangerous.Can we afford to look after the losers?They are not going to

单选题《复合题被拆开情况》 Scientists have spent 14 years scanning the brain of a yoga guru 大师. Their findings suggest daily meditation could help protect the brain from aging. According to a study published in the j

单选题 If the salinity of ocean waters is analyzed

单选题. Questions 5 to 7 will be based on the following news item.5.

单选题8. Jerry did not regret giving the comment but felt ______ he could have expressed it differently.

单选题《复合题被拆开情况》 A growing number of U. S. bike riders are attracted to electric bikes for convenience, health benefits and their fun factor. Although ebikes first appeared in the 90s, cheaper options and l

单选题. Recently I attended several meetings where we talked about ways to retain students and keep younger faculty members from going elsewhere. It seems higher education has become an industry, of meeting-holders whose task it is to "solve" problems—real or imagined. And in my position as a professor at three different colleges, the actual problems in educating our young people and older students have deepened, while the number of people hired—not to teach but to hold meetings—has increased significantly. Every new problem creates a new job for an administrative fixer. Take our Center for Teaching Excellence. Contrary to its title, the center is a clearing house (信息交流中心) for using technology in classrooms and in online courses. It's an administrative sham (欺) of the kind that has multiplied over the last 30 years. I offer a simple proposition in response: Many of our problems—class attendance, educational success, student happiness and well-being—might be improved by cutting down the bureaucratic (官僚的) mechanisms and meetings and instead hiring an army of good teachers. If we replaced half of our administrative staff with classroom teachers, we might actually get a majority of our classes back to 20 or fewer students per teacher. This would be an environment in which teachers and students actually knew each other. The teachers must be free to teach in their own way—the curriculum should be flexible enough so that they can use their individual talents to achieve the goals of the course. Additionally, they should be allowed to teach, and be rewarded for doing it well. Teachers are not people who are great at and consumed by research and happen to appear in a classroom. Good teaching and research are not exclusive, but they are also not automatic companions. Teaching is an art and a craft, talent and practice; it is not something that just anyone can be good at. It is utterly confusing to me that people do not recognize this, despite the fact that pretty much anyone who has been a student can tell the difference between their best and worst teachers.1. What does the author say about present-day universities? ______

单选题《复合题被拆开情况》 Soot—also known as black carbon—heats up the atmosphere because it absorbs sunlight. But for years the institutions that focus on climate policy have played down the role of pollutants such

单选题. Rising college selectivity doesn't mean that students are smarter and more serious than in the past. It's a function of excess demand for higher education, occurring at a time of increased financial privatization of the industry. The recession has only increased demand. The vast majority of students aren't going to college because of a thirst for knowledge. They're there because they need a job, and they need to get the credentials (证书)—and, one hopes, the knowledge and skills behind the credentials—that will get them into the labor market. As higher education has become a seller's market, the institutions in a position to do so are doing what comes naturally: raising their tuitions, and their admissions requirements, but at the expense of contributing to the national goal to increase college attainment. The result is that the United States is losing ground in the international race for educational talent. The increasing stratification (阶层化) of higher education is happening on the spending side, as well. As the selective institutions have become more expensive and less attainable, the rest have had to struggle with the responsibility to enroll more students without being paid to do so. Gaps between rich and poor have grown even more dramatically than gaps in entering test scores. While spending is a poor measure of educational quality, we can't seriously expect to increase educational attainment if we're not prepared to do something to address these growing inequities in funding. That said, the educational policy problem in our country is not that the elite institutions are becoming more selective. The problem is on the public policy side. The president and many governors have set a goal to return America to a position of international leadership in educational attainment. It's the right goal, we just need a financing strategy to get there. That doesn't mean just more money, although some more money will be needed. It also means better attention to effectiveness and to efficiency, and to making sure that spending goes to the places that will make a difference in educational attainment. We know how to do it, if we want to.1. The demand for higher education has increased because ______.

单选题The French government is to ban students from using mobile phones in the countrys primary，junior and middle schools.Children will be allowed to bring their phones to school，but not allowed to get

单选题. Questions 16 to 19 are based on the passage you have just heard.1.

单选题. Although the top men in smuggling business must work together, most of a syndicate's small fry, specially the mules, know only their immediate contacts. If caught there is little they can give away. A mule probably will not even know the name of the person who gives him his instructions, nor how to get in touch with him. Usually he even does not know the person to whom he has to make delivery. He will be told just to sit tight in a certain hotel or bar until someone contacts him. In this way if he is blown, coming through airport customs he cannot unwittingly lead agents to the next link in the chain. All that the person at the receiving end do is to hang around the airport among the waiting crowd, and see that the mule comes through safely. If he does not, he is dimply written off as a loss. To make identification of mules easier, several syndicates have devised their own "club ties" so that a mule wearing one can immediately be picked out. Mules often receive careful training before embarking on their first journey. One Beirut organization, for example, uses a room with three airline seats in it. There the trainee mules sit for hours on end wearing weighted smuggling vests beneath their clothes, so that they become accustomed to standing up after a long flight in a natural way, and without revealing what they are carrying. An outfit in Brussels maintained a comfortable apartment where the mules could relax and get a firm grip on themselves on the night before their first journey; they were helped to dress before setting out for the airport in the morning. More often than not a courier will not know precisely where he is going or what flight number is until he is actually handed his tickets at the airport. This prevents the careless boast in some bar or to a girl friend the night before. Mules occasionally run off with the goods to keep the profit themselves. As insurance against this, a syndicate often sends a high-up on the same plane to keep a wary eye on couriers, particularly new ones. Even then things can go badly wrong. One international currency smuggler who was having trouble getting money out of Britain was offered help by a group of men who said they were in a position to "fix thing"—for a fee of course. Foolishly, the smuggler agreed to accept their help. When he got to London's Heathrow Airport, he handed over to one of the men a black suitcase containing nearly $90,000 in cash, destined for Frankfurt. Just to keep an eye on things, the smuggler went along on the same plane. When they landed at Frankfurt he was handed back his suitcase. He beat a straight path to the men's toilet, opened the case, and found only old clothes. The courier had switched suitcase en route, but the smuggler could hardly run to the police and complain that "the man who was smuggling money out of England for me has stolen it."1. How does a mule work? ______

单选题. Questions 8 to 11 are based on the conversation you have just heard.1.

单选题. Questions 1 and 2 are based on the news report you have just heard.1.

单选题 Maybe if I ______ science

单选题. Questions 19 to 21 are based on the passage you have just heard.4.