单选题He has {{U}}luxurious{{/U}} habits of throwing money about like dirt.

单选题I am feeling {{U}}a lot{{/U}} more healthy than I was. A. many B. no C. much D. some

单选题About twenty years ago, all important resources in our country were Uallocated/U by the central government.

单选题The book made a great impact on its readers.

单选题These factors interact intimately and cannot be separated.

单选题InBritain and many other countries appraisal is now a tool of management.

单选题Explorer of the Extreme Deep Oceans cover more than two-thirds of our planet. Yet, just a small fraction of the underwater world has been explored. Now, scientists at the Woods Hotel Oceanographic Institution (WHOI) in Massachusetts are building an underwater vehicle that will carry explorers as deep as 6,500 meters (21,320 feet). The new machine, known as a manned submersible or human-operated vehicle (HOV), will replace another one named Alvin which has an amazing record of discovery, playing a key role in various important and famous undersea expeditions. Alvin has been operating for 40 years but can go down only 4,500 meters (14,784 feet). It"s about time for an upgrade, WHOI researchers say. Alvin was launched in 1964. Since then, Alvin has worked between 200 and 250 days a year, says Daniel Fornari, a marine geologist and director of the Deep Ocean Exploration Institute at WHOI. During its lifetime, Alvin has carried some 12,000 people on a total of more than 3,000 dives. A newer, better versions of Alvin is bound to reveal even more surprises about a world that is still full of mysteries, Fornari says. It might also make the job of exploration a little easier. "We take so much for granted on land," Fornari says. "We can walk around and see with our eyes how big things are. We can see colors, special arrangements." Size-wise, the new HOV will be similar to Alvin. It"ll be about 37 feet long. The setting area inside will be a small sphere, about 8 feet wide, like Alvin, it"ll carry a pilot and two passengers. It will be just as maneuverable. In most other ways, it will give passengers more opportunities to enjoy the view, for one thing. Alvin has only three windows, the new vehicle will have five, with more overlaps so that the passengers and the pilot can see the same thing. Alvin can go up and down at a rate of 30 meters every second, and its maximum speed is 2 knots (about 2.3 miles per hour), while the new vehicle will be able to ascend and descend at 44 meters per second. It"ll reach speeds of 3 knots, or 3.5 miles per hour.

单选题Domestic demand may {{U}}thus{{/U}} decelerate to a more sustainable growth rate, and the unemployment rate may rise slightly.

单选题 Play Play is the principal business of childhood, and in recent years research has shown the great importance of play in the development of a human being. From earliest infancy, every child needs opportunity and the right materials for play, and the main tools of play are toys. Their main function is to suggest, encourage and assist play. To succeed in this they must be good toys, which children will play with often, and will come back to again and again. Therefore it is important to choose suitable toys for different stages of a child's development. In recent years research on infant development has shown that the standard a child is likely to reach, within the range of his inherited abilities, is largely determined in the first three years of his life. So a baby's ability to profit from the right play materials should not be underestimated. A baby who is encouraged and stimulated, talked to and shown things and played with, has the best chance of growing up successfully. In the next stage, from three to five years old, curiosity knows no bounds. Every type of suitable toy should be made available to the child, for trying out, experimenting and learning, for discovering his own particular ability. Bricks and jigsaws (七巧板) and construction toys; painting, scribbling (涂鸦) and making things; sand and water play; toys for imaginative and pretending play; the first social games for learning to play and get on with others. But the third stage of play development—from five to seven or eight years—the child is at school. But for a few more years play is still the best way of learning, at home or at school. It is easier to see which type of toys the chills most enjoys. Until the age of seven or eight, play and work mean much the same to a child. But once reading has been mastered, then books and school become the main source of learning. Toys are still interesting and valuable, they lead on to new hobbies, but their significance has changed—to a child of nice or ten years, toys and games mean, as to adults, relaxation and fun.

单选题 阅读下面这篇短文，短文后列出7个句子，请根据短文的内容对每个句子做出判断。 {{B}} Nurses{{/B}} The physicians in a hospital form the core of the medical staff. But they could not provide effective medical care to their patients without the help of numerous other medical workers. From the angle of the patients, the nursing staff is particularly important. Nurses are usually in close contact with patients as long as they are in the hospital. A nurse does not study for as many years as a doctor. However, each must be equally trained. Caring for sick persons requires a great deal of patience and concern. Most nurses work long days, and they often must work at odd hours or during the night. The nursing staff in a hospital is usually quite large and various. Nursing services, after all, must be provided on a 24-hour basis. There are professional(专业的) nurses, practical nurses ,nurse's aids, and orderlies(勤杂工). The general term nurse refers to a person trained to offer bedside care to sick persons. Under the supervision(管理) of the head nurse, the nursing staff in a hospital ward must attend to patients' needs. This responsibility continues around the clock, and so nurses must work in shifts. A shift is a period of duty, usually eight hours in length. The nurses on the ward rotate(轮换) their shifts. Some take turns working night duty; other work odd shifts. All of them work out of a central area on the ward called the nurse's station. A nurse must always be on her guard. She can never afford to be careless. This is true in all nursing situations, but it is especially true in the intensive care unit. Patients under intensive care are critically ill, and they must be monitored at all times. The nurses who do intensive care duty have one of the most demanding jobs in the hospital.

单选题With immense relief I stopped running.

单选题The index is the government"s chief gauge of future economic activity.

单选题Because Susie earns a small sum of money every month, she cannot rent a large apartment.A. departmentB. villaC. flatD. shed

单选题The conclusion can be deduced from the premises.

单选题Not every psychologist would agree that Internet or video - game dependency is a legitimately (合理地) diagnosable problem. Some suggest that pathological (非理智的) game - playing or Internet surfing is not an addiction per se (本身，就本笛而言), but a symptom of a deeper issue, such as depression or anxiety. But Cash believes the virtual world can be no less addicting than other activities, such as gambling. She describes her first patient who exhibited signs of compulsion (冲动): He had come to her in a moment of crisis 15 years ago - having discovered a text - only role - playing computer game that was conceptually similar to Dungeons and Dragons, he had begun dedicating nearly all of his time to the game. He got fired from his job at nearby Microsoft, and his marriage was falling to pieces. Cash realized he was showing the classical signs of addiction. "I was so intrigued. "says the co - author of the recent book Video Games and Your Kids: How Parents Stay in Control. "That was what started me on my path. " Some psychologists other than Cash and his colleague think that Internet or video -game dependency is.A. a problem that can be reasonably diagnosed.B. an addiction just as addiction to other activities.C. a symptom of deeper psychological issue.D. a problem that cannot be solve

单选题Apart from statistics, it might be helpful to look at what smoking tobacco does to the human body. Smoke is a mixture of gases, vaporized chemicals, minute particles of ash and other solids. There is also nicotine, which is powerful poison, and black tar. As smoke is breathed in, all those components form deposits on the membranes of the lungs. One point of concentration is where the air tube and bronchus divides. Most lung cancer begins at this point. Nicotine Can be best described asA. deadly.B. fatal.C. poisonous.D. minut

单选题A beautiful woman Uattended to/U me in that store yesterday.

单选题Cancer Unless you have gone through the experience yourself, or watched a loved one"s struggle, you really have no idea just how desperate cancer can make you. You pray, you rage, you bargain with God, but most of all you clutch at any hope, no matter how remote, of a second chance at life. For a few excited days last week, however, it seemed as if the whole world was a cancer patient and that all humankind had been granted a reprieve. Triggered by a front-page medical news story in the usually reserved New York Times, all anybody was talking about—on the radio, on television, on the Internet, in phone calls to friends and relatives-was the report that a combination of two new drugs could, as the Times put it, cure cancer in two years. In a matter of hours patients had jammed their doctors" phone lines begging for a chance to test the miracle cancer cure. Cancer scientists raced to the phones and fax lines to make sure everyone knew about their research too, generating a new round of headlines. The time certainly seemed ripe for a breakthrough in cancer. Only last month scientists at the National Cancer Institute announced that they were halting a clinical trial of a drug called tamoxifen—and offering it to patients getting the placebo—because it had proved so effective at preventing breast cancer (although it also seemed to increase the risk of uterine cancer). Two weeks later came the New York Times" report that two new drugs can shrink tumors of every variety without any side effects whatsoever. It all seemed too good to be true, and of course it was. There are no miracle cancer drugs, at least not yet. At this stage all the drug manufacturer can offer is some very interesting molecules, and the only cancers they have cures so far have been in mice. By the middle of last week, even the most breathless TV talk-show hosts had learned what every scientist already knew: that curing a disease in lab animals is not the same as doing it in humans. "The history of cancer research has been a history of curing cancers in the mouse," Dr. Richard Klausner, head of the National Cancer Institute, told the Los Angles Times. "We have cured mice of cancer for decades and it simply didn"t work in people."

单选题The animals in Australia are vastly different from those in Europe.

单选题You can also do something great ______ you work very hard at it.A. as long asB. as far asC. whetherD. so that