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 ______.

单选题The brain drain of experts away from developing countries will greatly influence these countries' development of ______ industry. A.complicated B.sophisticated C.primitive D.collective

单选题Efforts to reach the injured men have been ______ because of a sudden deterioration in weather conditions.(2002年武汉大学考博试题)

单选题If the dispute is not settled in a(n)______way soon, the two countries will certainly go to war.

单选题Thousands perished, but the Japanese wished to ______ the extent of the cruel acts committed by their soldiers.

单选题It is hard to move the Cake machine out of school because ______.

单选题The meal was excellent; the sour-pepper soup was particularly ______.

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单选题Debt and the destruction of war have brought major economic setbacks, ______ damage to social services and human suffering. A. apart from B. as good as C. except for D. rather than

单选题In the United States at the time of World War Ⅱ, (When) soldiers were screened (for military service) the army defined (a minimal level) of literacy as that (was normally achieved) in the fifth grade.A. WhenB. for military serviceC. a minimal levelD. was normally achieved