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[主观题]

Despite improvements in treatment for asthma, the death rate from this disease has doubled

during the past decade from its previous rate. Two possible explanations for this increase have been offered. First, the recording of deaths due to asthma has become more widespread and accurate in the past decade than it had been previously. Second, there has been an increase in urban pollution. However, since the rate of deaths due to asthma has increased dramatically even in cities with long-standing, comprehensive medical records and with little or no urban pollution, one must instead conclude that the cause of increased deaths is the use of bronchial inhalers by asthma sufferers to relieve their symptoms. Each of the following, if true, provides support to the argument EXCEPT:

A.Urban populations have doubled in the past decade.

B.Records of asthma deaths are as accurate for the past twenty years as for the past ten years.

C.Evidence suggests that bronchial inhalers make the lungs more sensitive to irritation by airborne pollen.

D.By tem|X)rarily relieving the symptoms of asthma, inhalers encourage sufferers to avoid more beneficial measures.

E.Ten years ago bronchial inhalers were not available as an asthma treatment.

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更多“Despite improvements in treatment for asthma, the death rate from this disease has doubled”相关的问题

第1题

Because postage rates are rising, Home Decorator magazine plans to maximize its profits by

reducing by one half the number of issues it publishes each year. The quality of articles, the number of articles published per year, and the subscription price will not change. Market research shows that neither subscribers nor advertisers will be lost if the magazines plan is instituted. Which of the following, if true, provides the strongest evidence that the magazines profits are likely to decline if the plan is instituted?

A.With the new postage rates, a typical issue under the proposed plan would cost about one-third more to mail than a typical current issue would.

B.The majority of the magazine"s subscribers are less concerned about a possible reduction in the quantity of the magazine"s articles than about a possible loss of the current high quality of its articles.

C.Many of the magazine"s long-time subscribers would continue their subscriptions even if the subscription price were increased.

D.Most of the advertisers that purchase advertising space in the magazine will continue to spend the same amount on advertising per issue as they have in the past.

E.Production costs for the magazine are expected to remain stable.

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第2题

Most geologists believe oil results from chemical transformations of hydrocarbons derived

from organisms buried under ancient seas. Suppose, instead, that oil actually results from bacterial action on other complex hydrocarbons that are trapped within the Earth. As is well known, the volume of these hydrocarbons exceeds that of buried organisms. Therefore, our oil reserves would be greater than most geologists believe. Which of the following, if true, gives the strongest support to the argument above about our oil reserves?

A.Most geologists think optimistically about the Earth"s reserves of oil.

B.Most geologists have performed accurate chemical analyses on previously discovered oil reserves.

C.Ancient seas are buried within the Earth at many places where fossils are abundant.

D.The only bacteria yet found in oil reserves could have leaked down drill holes from surface contaminants.

E.Chemical transformations reduce the volume of buried hydrocarbons derived from organisms by roughly the same proportion as bacterial action reduces the volume of other complex hydrocarbons.

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第3题

Which of the following, if newly discovered, would most seriously weaken the authors argum

ent concerning the importance of virgin-soil epidemics in the depopulation of Native Americans?

A.Evidence setting the pre-Columbian population of the New World at only 80 million.

B.Spanish tribute records showing periodic population fluctuations.

C.Documents detailing sophisticated Native American medical procedures.

D.Fossils indicating Native American contact with smallpox prior to 1492.

E.Remains of French settlements dating back to the sixteenth century.

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第4题

Increasingly, historians are blaming diseases imported from the Old World for the staggeri

ng disparity between the indigenous population of America in 1492—new estimates of which soar as high as 100 million, or approximately one-sixth of the human race at that time—and the few million full-blooded Native Americans alive at the end of the nineteenth century. There is no doubt that chronic disease was an important factor in the precipitous decline, and it is highly probable that the greatest killer was epidemic dis- ease, especially as manifested in virgin-soil epidemics. Virgin-soil epidemics are those in which the populations at risk have had no previous contact with the diseases that strike them and are therefore immunologically almost defenselass. That virgin-soil epidemics were important in American history is strongly indicated by evidence that a number of dangerous maladies—small pox, measles, malaria, yellow fever, and undoubtedly several more—were unknown in the pre-Columbian New World. The effects of their sudden introduction are demonstrated in the early chronicles of America, which contain reports of horrendous epidemics and steep population declines, confirmed in many cases by recent quantitative analyses of Spanish tribute records and other sources. The evidence provided by the documents of British and French colonies is not as definitive because the conquerors of those areas did not establish permanent settlements and begin to keep continuous records until the seventeenth century, by which time the worst epidemics had probably already taken place. Furthermore, the British tended to drive the native populations away, rather than enslaving them as the Spaniards did, so that the epidemics of British America occurred beyond the range of colonists direct observation. Even so, the surviving records of North America do contain references to deadly epidemics among the indigenous population. In 1616-1619 an epidemic, possibly of bubonic or pneumonic plague, swept coastal New England, killing as many as nine out of ten. During the 1630 s smallpox, the disease most fatal to the Native American people, eliminated half the population of the Huron and Iroquois confederations. In the 1820 s fever devastated the people of the Columbia River area, killing eight out of ten of them. Unfortunately, the documentation of these and other epidemics is slight and frequently unreliable, and it is necessary to supplement what little we do know with evidence from recent epidemics among Native Americans. For example, in 1952 an outbreak of measles among the Native American inhabitants of Ungava Bay. Quebec, af- fected 99 percent of the population and killed 7 percent, even though some had the benefit of modern medicine. Cases such as this demonstrate that even diseases that are not normally fatal can have devastating consequences when they strike an immunologically defenseless community.

The primary purpose of the passage is to

A.refute a common misconception.

B.provide support for a hypothesis.

C.analyze an argument.

D.suggest a solution to a dilemma.

E.reconcile opposing viewpoints.

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第5题

According to the passage, the pressure to appoint women to corporate boards differs from t

he pressure to employ women in the work force in which of the following ways?

A.Corporate boards are under less pressure because they have such a small number of openings.

B.Corporate boards have received less pressure from stockholders, consumers, and workers within companies to include women on their boards.

C.Corporate boards have received less pressure from the media and the public to include women on their boards.

D.Corporations have only recently been pressured to include women on their boards.

E.Corporations are not subject to statutory penalty for failing to include women on their boards.

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第6题

The authors discussion of the "mechanism that provides blood tryptophan to the brain cells

"(lines 44-45)is meant to

A.stimulate further research studies.

B.summarize an area of scientific investigation.

C.help explain why a particular research finding was obtained.

D.provide supporting evidence for a controversial scientific theory.

E.refute the conclusions of a previously mentioned research study.

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第7题

Which of the following statements is supported by information stated in the passage?A.Japa

Which of the following statements is supported by information stated in the passage?

A.Japanese and United States automakers differ in their approach to production processes.

B.Japanese automakers have perfected the use of single-function equipment.

C.Japanese automakers invest more capital per employee than do United States automakers.

D.United States-owned factories abroad have higher production levels than do Japanese owned plants in the United States.

E.Japanese automakers have benefited from the cultural heritage of their workers.

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第8题

It can be inferred from the passage that if the prostaglandin synthetase is only partially

blocked, which of the following is likely to be true?

A.Some endorphins will be produced, and some pain signals will be intensified.

B.Some substance P is likely to be produced , so some pain signals will reach the brain.

C.Some sodium ions will be blocked, so some pain signals will not reach the brain.

D.Some prostaglandins will be produced, but production of substance P will be prevented.

E.Some peptides in the brain will receive pain signals and begin to regulate incoming pain traffic.

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第9题

Which of the following best describes the organization of the passage?A.An argument is put

Which of the following best describes the organization of the passage?

A.An argument is put forth and evidence for and against it given.

B.An assertion is made and opposing evidence presented.

C.Two hypotheses are described and shown to inconsistent with one another.

D.A phenomenon is identified and illustrations of this phenomenon offered.

E.A specific case of a phenomenon is discussed a generalization drawn.

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第10题

Senator: Jones is highly qualified for appointment as a judge, as evidenced by Joness rece

iving a unanimous vote of "qualified" on the formal rating scale used by the Lawyers Committee. That committee advises the Senate on judicial appointments. Which of the following, if true, is the best reason for dismissing the senators claim that Jones is highly qualified?

A.Several members of the Lawyers" Committee are not themselves qualified for judicial appointments.

B.The Lawyers" Committee does not advise the Senate on all judicial appointments.

C.The Lawyers" Committee gives a unanimous vote of "qualified" only to those candidates for judicial appointments who meet the committee"s stringent standards for appropriate prior experience and ethical conduct.

D.The Lawyers" Committee gives a unanimous vote of either "highly qualified" or "very highly qualified" to 95 percent of all candidates for judicial appointments.

E.Jones, like most lawyers, is a member of the professional organization that originally suggested the establishment of the Lawyers" Committee.

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