题目内容
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The authors argue that more money should be spent on______.
A．maintaining the well-being of the elderly.
B．looking after the sick.
C．extending the life of the dying.
D．developing aging-slowing interventions.
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44 The authors argue that more money should be spent on
A maintaining the well-being of the elderly.
B looking after the sick.
C developing aging-slowing interventions.
D extending the life of the dying.
What is the authors purpose of writing this passage？
A.To promote understanding between vendors and constumers.
B.To argue that the Internet generation still cares about their privacy.
C.To persuade people not to constantly update their status on Facebook.
D.To urge vendors to be more privacy-friendly to make a greater profit.
第三篇
Slowing Aging: Way to Fight Diseases in 21st Century
A group of aging experts from the United States and the United Kingdom suggest that the best strategy for preventing and fighting a multitude of diseases is to focus on slowing the biological processes of aging.
"The traditional medical approach of attacking individual diseases - cancer, diabetes, heart disease, Alzheimer's disease (早老性痴呆病) and Parkinson's disease (帕金森氏病) -will soon become less effective if we do not determine how all of these diseases either interact or share common mechanisms with aging," says S. Jay Olshansky, professor of epidemiology at the University of Illinois at Chicago School of Public Health and senior author of the commentary.
Middle-aged and older people are most often impacted by simultaneous but independent medical conditions. A cure for any of the major fatal diseases would have only a marginal impact on life expectancy (预期寿命) and the length of healthy life, Olshansky said.
The authors suggest that a new paradigm (模式) of health promotion and disease prevention could produce unprecedented social, economic and health dividends for current and future generations if the aging population is provided with extended years of healthy life.
They note that all living things, including humans, possess biochemical mechanisms that influence how quickly we age and, through dietary (饮食的) intervention or genetic alteration, it is possible to extend lifespan to postpone aging-related processes and diseases.
Further research in laboratory models is expected to provide clues to and deeper understanding of how existing interventions, such as exercise and good nutrition, may lead to lifelong well-being.
The authors also propose greatly increased funding for basic research into the
"fundamental cellular (细胞的) and physiological changes that drive aging itself."
"We believe that the potential benefits of slowing aging processes have been
underrecognized by most of the scientific community," said Olshansky. "We call on the health-research decision-makers to allocate substantial resources to support and develop practical interventions that slow aging in people."
An increase in age-related diseases and escalating health care costs make this the time for a "systematic attack on aging itself," the authors write.
Olshansky and colleagues contend that modern medicine is already heavily invested in efforts to extend life, and they argue that a fresh emphasis on aging has the potential to improve health and quality of life far more efficiently than is currently possible.
41 The experts believe the traditional approach of attacking individual diseases
A is the best strategy for fighting diseases.
B focuses on slowing aging processes.
C needs to be improved.
D has gone out of date.
Why does the professor mention the coat of arms of Canada？
A．To compare the symbolism to that of a totem pole
B．To prove that the Haida live in Canada
C．To argue that the Haida symbols are superior
D．To place the events in chronological order
What do we learn about the class action suit against Google？
A．It ended in a victory for the Authors Guild of America.
B．It could lead to more out-of-court settlements of such disputes.
C．It failed to protect the interests of American publishers.
D．It was settled after more than two years of negotiation.
According to the news, we can learn that
A．the genetically modified maize fortified with three vitamins has been created by American researchers.
B．no maize can produce more than one vitamin before.
C．the creators argue the crop could provide healthy diets for those seeking for weight loss.
D．all the engineers agree with this new product.
Why do drinkers earn more than teetotalers according to this passage？
A．Because drinkers have better health.
B．Because drinkers receive more money from social warefare.
C．Because drinkers have wider social networks.
D．Because drinkers are more hard-working.
Slowing Aging: Way to Fight Diseases in 21st Century
A group of aging experts from the United States and the United Kingdom suggest that the best strategy for preventing and fighting a multitude of diseases is to focus on slowing the biological processes of aging.
"The traditional medical approach of attacking individual diseases—cancer, diabetes, heart disease, Alzheimer's disease(早老性痴呆病) and Parkinson's disease(帕金森氏病)—will soon become less effective if we do not determine how all of these diseases either interact or share common mechanisms with aging", says S. Jay Olshansky, professor of epidemiology at the University of Illinois at Chicago School of Public Health and senior author of the commentary.
Middle-aged and older people are most often impacted by simultaneous but independent medical conditions. A cure for any of the major fatal diseases would have only a marginal impact on life expectancy(预期寿命) and the length of healthy life, Olshansky said. The authors suggest that a new paradigm(模式) of health promotion and disease prevention could produce unprecedented social, economic and health dividends for current and future generations if the aging population is provided with extended years of healthy life.
They note that all living things, including humans, possess biochemical mechanisms that influence how quickly we age and, through dietary(饮食的) intervention or genetic alteration, it is possible to extend lifespan to postpone aging-related processes and diseases.
Further research in laboratory models is expected to provide clues to and deeper understanding of how existing interventions, such as exercise and good nutrition, may lead to lifelong well-being.
The authors also propose greatly increased funding for basic research into the "fundamental cellular(细胞的) and physiological changes that drive aging itself".
"We believe that the potential benefits of slowing aging processes have been underrecognized by most of the scientific community", said Olshansky, "We call on the health-research decision-makers to allocate substantial resources to support and develop practical interventions that slow aging in people".
An increase in age-related diseases and escalating health care costs make this the time for a "systematic attack on aging itself", the authors write.
Olshansky and colleagues contend that modern medicine is already heavily invested in efforts to extend life, and they argue that a fresh emphasis on aging has the potential to improve health and quality of life far more efficiently than is currently possible.
The experts believe the traditional approach of attacking individual diseases______.
A．is the best strategy for fighting diseases.
B．focuses on slowing aging processes.
C．has gone out of date.
D．needs to be improved.
Section B
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
Britain will fail to meet targets set by the European Economic Community (EEC) for reducing air pollution unless the government fits more antipollution equipment to power stations and takes energy conservation more seriously. This warning comes in a report commissioned by Greenpeace, the environmental pressure group(压力组织). The authors, from the Earth Resources Research, calculate that by 1993, levels of sulphur dioxide (二氧化物) pollution from power stations in Britain will match those in 1970. But they expect overall emissions of sulphur dioxide to fall by 10 percent by 1993. The government predicts a fall of 22 percent.
In accordance with EEC regulations, Britain should reduce by 1993 its emissions of sulphur dioxide and nitrogen oxides by 20 percent, using the level of air pollution in 1980 as baseline. The report challenges three elements of the government' s policy for meeting the regulations. The government expects organizations such as the Central Electricity Generation Board to equip new coalfired stations with gas scrubbers (涤气器) and to fit existing stations with equipment for filtering out sulphur dioxide. Power stations account for nearly 90 percent of the sulphur dioxide that Britain discharges into the. air. The government also assumes that the oil industry will contract. This should affect the levels of sulphur dioxide pumped out by refineries(炼油厂). Thirdly, the Department of the Environment expects the level of industrial air pollution to fall as factories close or improve their technology to tighten control on emissions.
The authors of the report argue that emissions from refineries will not fall as much as the government expects bemuse the oil industry itself will not fall off as rapidly as once expected. Also, they doubt whether air pollution produced by industry will fall as quickly as the government assumes.
The Greenpeace report warns that if Britain fails to take effective measures,______.
A．Britain will become a target of the EEC
B．Britain will be faced with a serious pollution problem
C．Britain will have difficulty maintaining its power stations
D．Britain will fall short of the EEC requirement
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