单选题We do deal with paintings here, but this is ______ a furniture shop.

单选题There is a hotel in the______ neighborhood.

单选题Our bodies are wonderfully skilful at maintaining balance. When the temperature jumps, we sweat to cool down. When our blood pressure falls, our hearts pound to compensate. As it turned out, though, our natural state is not a steady one. Researchers are finding that everything from blood pressure to brain function varies rhythmically with the cycles of sun, moon and seasons. And their insights are yielding new strategies for keeping sway such common killers as heart disease and cancer. Only one doctor in 20 has a good knowledge of the growing field of "chronotherapeutics (历时治疗术)", the strategic use of time (chronos) in medicine. But according to a new American Medical Association poll, three out of four are eager to change that. "The field is exploding," says Michael Smolensky. "Doctors used to look at us like "What spaceship did you guys get off?" Now they"re thirsty to know more." In medical school, most doctors learn that people with chronic conditions should take their medicine at steady rates. "It"s a terrible way to treat disease," says Dr. Richard Martin. For example, asthmatics (气喘患者) are most likely to suffer during the night. Yet most patients strive to keep a constant level of medicine in their blood day and night, whether by breathing in on an inhaler (吸器) four times a day or taking a pill each morning and evening. In recent studies, researchers have found that a large mid-afternoon dose of a bronchodilator (支所管张剂) can be as safe as several small doses, and better for preventing nighttime attacks. If the night belongs to asthma, the dawn belongs to high blood pressure and heart disease. Heart attacks are twice as common at 9 a.m. as at 11 p.m. Part of the reason is that our blood pressure falls predictably at night, then peaks as we start to work for the day. "Doctors know that," says Dr. Henry Black of Chicago Medical Center, "but until now, we haven"t been able to do anything about it." Most blood pressure drugs provide 18 to 20 hours of relief. But because they"re taken in the morning, they"re least effective when most needed. "You take your pill at 7 and it"s working by 9," says Dr. William White of the University of Connecticut Health Center, "but by that time you"ve gone through the worst four hours of the day with no protection." Bedtime dosing would prevent that lapse, but it would also push blood pressure to dangerously low levels during the night.

单选题Superficial differences between the special problems and techniques of the physical sciences and those of the biological sciences are sometimes cited as evidence for the ______ of biology and for the claim that the methods of physics are therefore not adequate to biological inquiry.(2014年北京航空航天大学考博试题)

单选题Borders these days have little meaning for Singapore-based regional ______ of electronics firms like Sanyo and Philips.

单选题Probably there is a good reason for her absence, as she doesn"t usually stay away from work.

单选题Which of the following is NOT the reason that the woman thinks Yoshida is qualified for the position?

单选题English ______ in idioms, and so does Chinese.(2008年北京航空航天大学考博试题)

单选题Despite their intense pain and suffering, the Black men found a small measure of comfort in ______.

单选题All the mountains are stunningly beautiful, and there are______valleys and the smell of peat from every cottage.

单选题The wanting message about the Alar apple was given ______.

单选题It's an offer that you won't get again, so I would______it if I were you. A. relate to B. count on C. accept of D. jump at

单选题The Supreme Court"s decisions on physician-assisted suicide carry important implications for how medicine seeks to relieve dying patients of pain and suffering. Although it ruled that there is no constitutional right to physician-assisted suicide, the Court in effect supported the medical principle of "double effect, "a centuries-old moral principle holding that an action having two effects—a good one that is intended and a harmful one that is foreseen—is permissible if the actor intends only the good effect. Doctors have used that principle in recent years to justify using high doses of morphine to control terminally iii patients" pain, even though increasing dosages will eventually kill the patient. Nancy Dubler, director of Montefiore Medical Center, contends that the principle will shield doctors who "until now have very, very strongly insisted that they could not give patients sufficient mediation to control their pain if that might hasten death." George Annas, chair of the health law department at Boston University, maintains that, as long as a doctor prescribes a drug for a legitimate medical purpose, the doctor has done nothing illegal even if the patient uses the drug to hasten death. "It"s like surgery," he says. "We don"t call those deaths homicides because the doctors didn"t intend to kill their patients, although they risked their death. If you"re a physician, you can risk your patient"s suicide as long as you don"t intend their suicide." On another level, many in the medical community acknowledge that the assisted-suicide debate has been fueled in part by the despair of patients for whom modern medicine has prolonged the physical agony of dying. Just three weeks before the Court"s ruling on physician-assisted suicide, the National Academy of Science (NAS) released a two-volume report, Approaching Death: Improving Care at the End of Life. It identifies the under treatment of pain and the aggressive use of "ineffectual an forced medical procedures that may prolong and even dishonor the period of dying" as the twi problems of end-of-life care. The profession is taking steps to require young doctors to train in hospices, to test knowledge of aggressive pain management therapies, to develop a medicare billing code for hospital-base care, and to develop new standards for assessing and treating pain at the end of life. Annas says lawyers can play a key role in insisting that these well-meaning medical initiative translate into better care. "Large numbers of physicians seem unconcerned with the pain their patients are needlessly and predictably suffering", to the extent that it constitutes "systematic patient abuse". He says medical licensing boards "must make it clear.., that painful deaths are presumptively ones that are incompetently managed and should result in license suspension".

单选题Japanese drag and hospital companies kept selling tainted blood ______.

单选题It is easy to lose patience with science today. The questions are pressing: How dangerous is dioxin? What about low-level radiation? When will that monstrous earthquake strike California? And why can't we predict weather better? But the evidence is often described "inconclusive, " forcing scientists to base their points of view almost as much on intuition as on science. When historians and philosophers of science listen to these questions, some conclude that science may be incapable of solving all these problems any time soon. Many questions seem to defy the scientific method, an approach that works best when it examines straightforward relationships. If s0mething is done to variable A, what happens to variable B? Such procedures can, of cuurse, be very difficult in their own ways, but for experiments, they are effective. With the aid of Newton's laws of gravitational attraction, for instance, ground controllers can predict the path of a planetary probe—or satellite—with incredible accuracy. They do this by calculating the gravitational tugs from each of the passing planets until the probe speeds beyond the edge of the solar system. A much more difficult task is to calculate what happens when two or three such tugs pull on the probe at the same time. The unknowns can grow into riddles that are impossible to solve. Because of the turbulent and changing state of the earth's atmosphere, for instance, scientists have struggled for centuries to predict the weather with precision. This spectrum of questions—from simple problems to those impossibly complex—has resulted in nicknames for various fields of study. "Hard" sciences, such as astronomy and chemistry, are said to yield precise answers, whereas "soft" sciences, such as sociology and economics, admit a great degree of uncertainty.

单选题In his culture, ______ it was, this exchange of names on pieces of paper was probably a formal politeness, like saying "thank you."

单选题She ______ the high unemployment figures as evidence of the failure of the government policy.

单选题After a careful examination, the doctor ______ a new medical and a two-day rest for the patient.

单选题The jungles of the sub-Sahara, afflicted with tse-tse and mosquitos, is an unhealthy are