单选题After a number of disagreements with the committee, the chairman decided to ______ his present job. A. retire B. resign C. retreat D. withdraw

单选题The manufacturers hoped that the motor show would ______ their car sales.

单选题What is the Classical Theory of the Rate of interest? It is something【C1】______we have all been【C2】______and which we have accepted without much【C3】______until recently. Yet I find it difficult to state it【C4】______or to discover an explicit【C5】______it in the leading treatises of the modern classical school. It is fairly clear, however, 【C6】______this tradition has regarded the rate of interest【C7】______the factor which brings the demand for investment and the willingness to save【C8】______equilibrium with one another. Investment represents the demand for investable resources and saving represents the【C9】______,【C10】______the rate of interest is the "price" of investable resources【C11】______the two are equated, 【C12】______the price of a commodity is necessarily fixed at the point where the demand for it is【C13】______the supply, so the rate of interest necessarily comes to rest under the play of market forces at the point where the amount of investment at【C14】______rate of interest is equal to the amount of saving at that rate. The【C15】______is not to be found in Marshall's Principles in so many words. 【C16】______his theory seems to be this, and【C17】______is what myself was brought up on and what I taught for many years others to others. 【C18】______this for example, the following passage from his Principles; "Interest, being the price paid for the use of capitals in any market, tends towards an equilibrium level such that the【C19】______demand for capital in that market, at that rate of interest, is equal to the aggregate stock forth coming at that rate. " Or again in Professor Cassel's Nature and Necessity of Interest it is explained that investment【C20】______the "demand for waiting" and saving the "supply of waiting" , whilst interest is a "price" which serves, it is implied, to equate the two, though here again I have not found actual words to quote.

单选题Because slogans are "social symbols" they ______.

单选题In the country we are excluded from the worries of life in a big town.

单选题Jim Clark, 55, is the first person ever to start three companies that each grew to be worth more than $ 1 billion — an achievement celebrated in Michael Lewis' best-selling book, The New New Thing. Clark saw in primitive computer graphics chips the potential for powerful new workstations built by Silicon Graphics. He looked at a simple interface for websites, and turned it into the Netscape Web browser. And he most recently has exploited the potential of the Web for dispensing medical information through a company called Healtheon. Each of these ideas has netted Clark a cool billion or so. Shouldn't such a visionary come up with a similarly new way of giving those bucks away? Well, no. Clark has bestowed his money the old-fashioned way — by attaching his name to a building at Stanford University, his alma mater. His $ 150 million grant, establishing the Jim C. Clark Center for Biomedical Engineering and Sciences, reflects his belief that just as computer technology has been driving today's economy, biotech will power it over the next 40 years. "Some people say you should give where the need is greatest," he says, shrugging. "But that's the job for government. For me, with only a few billion, I have more impact targeting a specific priority. " Clark also wanted to reward Stanford, whose labs he used while engineering the chip for his Silicon Graphics workstations. And this was the sort of philanthropic gesture that would still leave him time to have fun running companies, building yachts and flying helicopters. Clark has a personal insight into why some tech multimillionaires postpone serious charitable giving. At one point in 1998, he watched the value of his Netscape stock erode from $ 2 billion to $ 200 million. And other wealthy techies have seen similar wild swings in their personal fortunes. Explains Clark: "When you see your net worth drop like that, you think, ' If this keeps going, I'm going to have to sell my airplane. ' " Clark is critical of some of his Silicon Valley brethren who haven't been as generous, despite their multibillion-dollar net worth. He hopes his gift will spur other tech billionaires to action, particularly Yahoo founders Jerry Yang and David Filo, who don't discuss specifics of any giving they may have done — and who Clark believes have been too frugal. "These guys actually ran the Yahoo servers out of Stanford," says Clark. "They should be giving something back. These guys are young, but they've got more money than me. Or take Larry Ellison; he should be doing more. " But Clark remains optimistic: "These new-money guys, first they have to get a couple of houses, the plane. At that point they'll think about, How can I do something more impacting?"

单选题______ choose to live in or near metropolitan areas simply because they like the rapid pace of city life.

单选题 Passage 2 Potentially offering a powerful new tool against terrorism, researchers have found a novel way to detect deception: in the liar's blushing face. The technique, described in the journal, Nature, uses a thermal camera to detect sudden, involuntary shifts of blood flow in the face. The system performed as accurately as a traditional polygraph, the scientists report. Yet the camera can provide answers instantly, and does not require a highly trained specialist to operate it or interpret its results. This makes it far better suited than the polygraph for a new, high-tech approach to security that is already raising the hackles of civil libertarians: the screening of large numbers of citizens, at airports and other sensitive areas, who have done nothing wrong. "The next decade is going to see the development of truly accurate lie detectors," said Stephen M. Kosslyn, an expert on detecting lies and a professor of psychology at Harvard University. The prototype, built by researchers at the Mayo Clinic and Honeywell Laboratories in Minnesota, is at least 2 years from being ready for general use. But other scientists said the discovery of previously unknown physiological changes in the face was itself an important step forward. "This is potentially very important work, which may open a new window on the mind," said Kosslyn. Pushed by technological advances, and with fresh interest, since Sept. 11, the discovery is part of a boom in the scientific study of deceit and its detection. Although the lie remains a mysterious phenomenon, researchers in recent years have found a number of new approaches that might replace the polygraph, from brain scans, to subtle changes in eye movement, to sparks of electrical activity that signal a person has seen a victim or a crime scene before. The new finding, though, is remarkable for its simplicity. When a person tells a lie, the team found, there is a sudden rush of blood to the area around the eyes, according to the Mayo Clinic's Dr. James A. Levine. Although the change is not: ordinarily visible, the blood warms the skin, causing hands of color to appear through a camera sensitive to heat. The team devised a computer program that can identify the telltale changes based on the camera images. In testing at the US Department of Defense Polygraph Institute, which trains federal polygraph examiners, the device performed better than polygraphs, with 85 percent accuracy compared with 70 percent for the polygraph.

单选题It can be inferred from the passage that many zoologists assume that a large diversity among species of a given class of organisms typically leads to which of the following?

单选题We must also understand how to______between what should be remembered and what should be forgotten.

单选题Little hoys seem to enjoy______train sets more than little girls.

单选题Valeta Young, 81, a retiree from Lodi, Calif. , suffers from congestive heart failure and requires almost constant monitoring. But she doesn't have to drive anywhere to get it. Twice a day she steps onto a special electronic scale, answers a few yes or no questions via push buttons on a small attached monitor and presses a button that sends the information to a nurse's station in San Antonio, Texas. "It's almost a direct link to my doctor," says Young, who describes herself as computer illiterate but says she has no problems using the equipment. Young is not the only patient who is dealing with her doctor from a distance. Remote monitoring is a rapidly growing field in medical technology, with more than 25 firms competing to measure remotely — and transmit by phone, Internet or through the airwaves — everything from patients' heart rates to how often they cough. Prompted both by the rise in health-care costs and the increasing computerization of healthcare equipment, doctors are using remote monitoring to track a widening variety of chronic diseases. In March, St. Francis University in Pittsburgh, Pa. , partnered with a company called BodyMedia on a study in which rural diabetes patients use wireless glucose meters and armband sensors to monitor their disease. And last fall, Yahoo began offering subscribers the ability to chart their asthma conditions online, using a PDA-size respiratory monitor that measures lung functions in real time and e-mails the data directly to doctors. Such home monitoring, says Dr. George Dailey, a physician at the Scripps Clinic in San Diego, "could someday replace less productive ways that patients track changes in their heart rate, blood sugar, lipid levels, kidney functions and even vision. " Dr. Timothy Moore, executive vice president of Alere Medical, which produces the smart scales that Young and more than 10, 000 other patients are using, says that almost any vital sign could, in theory, be monitored from home. But, he warns, that might not always make good medical sense. He advises against performing electrocardiograms remotely, for example, and although he acknowledges that remote monitoring of blood-sugar levels and diabetic ulcers on the skin may have real value, he points out that there are no truly independent studies that establish the value of home testing for diabetes or asthma. Such studies are needed because the technology is still in its infancy and medical experts are divided about its value. But on one thing they all agree: you should never rely on any remote testing system without clearing it with your doctor.

单选题The payroll register constitutes the treasurer department"s authority to pay the employees. Payment is usually made in the form of a check drawn on the company"s regular bank account. Pre-numbered payroll checks should be used, and there should be independent verification of the agreement of the checks with the payroll register in detail and in total. Payroll checks should be distributed directly to employees, on proper identification, by treasurer"s department personnel. The checks should not be returned to payroll for distribution since the payroll department would then have control over both preparing and paying the payroll. Alternatively, payroll checks may be deposited directly in the employee"s checking account. Payment of employees in cash is the exception rather than the rule. This form of payment is more easily influenced by errors, irregularities, and robbery than payment by check. Following payment, check numbers are entered on the register, the preparation and payment of the payroll are programmed on a computer. A termination notice should be issued by the personnel department on the completion of an individual"s employment with the company. Copies of the termination authorization should be sent to the employee"s supervisor and to payroll, and a copy should be filed in the employee"s personnel record. The proper execution of this function is vital in preventing terminated employees from continuing on the payroll. The subsequent diversion of such payroll checks to an unauthorized individual has been responsible for many payroll cheat through the years. Every company is expected to fulfill the legal requirements relevant to the filing of payroll tax returns and the payment of the resulting taxes. Ordinarily, the payroll department prepares the tax returns and a check is issued through the guarantor system in payment of the taxes. The responsibility for the filing of returns before due dates should be assigned to a payroll department supervisor. Furthermore, there should be independent verification within that department of the accuracy and completeness of the return. Effective control over tax returns is necessary to avoid penalties for late or incorrect filings.

单选题He tried to ______ up his lessons by telling a few jokes.

单选题{{B}}Passage Two{{/B}} It's becoming something of a joke along the Maine-Canada border. So many busloads of retired people crisscross the line looking for affordable drugs that the roadside stands should advertise, "Lobsters. Blueberries. Lipitor. Coumalin." Except, of course, that such a market in prescription drugs would be illegal. These senior long-distance shopping strees fall in a legal gray zone. But as long as people cross the border with prescriptions from a physician and have them filled for no more than a three-month supply for personal use, customs and other federal officials leave them alone. The trip might be tiring, but people can save an average of 60 percent on the cost of their prescription drugs. For some, that's the difference between taking the drugs or doing without. "The last bus trip I was on six months ago had 25 seniors," says Chellie Pingree, former Maine state senator and now president of Common Cause. "Those 25 people saved $19.000 on their supplies of drugs." Pingree sponsored Maine RX, which authorizes a discounted price on drugs for Maine residents who lack insurance coverage. The law was challenged by drug companies but recently upheld by the U. S. Supreme Court. It hasn't yet taken effect. Figuring out ways to spend less on prescription drugs has become a multifaceted national movement of consumers, largely senior citizens. The prescription drug bill in America is $160 billion annually, and people over 65 fill five times as many prescriptions as working Americans on average. "But they do it on health benefits that are half as good and on incomes that are half as large," says Richard Evans, senior analyst at Sanford C. Bernstein, an investment research firm. What's more, seniors account for 20 percent of the voting public. It's little wonder that the May 19 Supreme Court ruling got the attention of drug manufacturers and politicians across the country. The often-over-looked state of 1.3 million tucked in the northeast corner of the country became David to the pharmaceutical industry's Goliath. The face-off began three years ago when state legislators like Pingree began questioning why Maine's elderly population had to take all those bus trips.

单选题We were running out of money and things were looking ______.