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LSAT-15-4-6,LSAT-15-4-8,LSAT-15-4-9,LSAT-15-4-12
[face=Georgia]The number of hospital emergency room visits by heroin users grew more than 25 percent during the 1980s. Clearly, then, the use of heroin rose in that decade.
6. Which one of the following, if true, would account for the statistic above without supporting the author抯 conclusion?
(A) Widespread use of automatic weapons in the drug trade during the 1980s raised the incidence of physical injury to heroin users.
(B) The introduction of a smokable type of heroin during the 1980s removed the need for heroin to be injected intravenously and thus reduced the user抯 risk of infection.
(C) Many hospital emergency rooms were barely able to accommodate the dramatic increase in the number of medical emergencies related to drug abuse during the 1980s.
(D) Heroin use increased much more that is reflected in the rate of heroin-linked hospital emergency room visits.
(E) Viral and bacterial infections, malnourishment, and overdose account for most hospital emergency room visits linked to heroin.
这个题目的答案是A,但是我觉得E也可以回答原文的问题?
8. The year 1917,1937,1956,1968,1979, and 1990 are all notable for the occurrence of both popular uprisings and near-maximum sunspot activity. During heavy sunspot activity, there is a sharp rise in positively charged ions in the air people breathe, and positively charged ions are known to make people anxious and irritable. Therefore, it is likely that sunspot activity has actually been a factor in triggering popular uprisings.
Which one of the following exhibits a pattern of reasoning most similar to that in the passage?
(A) The ancient Greeks sometimes attempted to predict the outcome of future events by watching the flight patterns of birds. Since the events themselves often matched the predictions, the birds were probably responding to some factor that also influenced the events.
(B) Martha, Sidney, and Hilary are the city's three most powerful politicians, and all three graduated from Ridgeview high School. Although Ridgeview never had a reputation for excellence, it must have been a good school to have produced three such successful graduates.
(C) Unusually cold weather last December coincided with a rise in fuel prices. When it is cold, people use more fuel to keep warm: and when more fuel is used, prices rise. Therefore if prices are high next winter, it will be the result of cold weather.
(D) The thirty healthiest people in a long-term medical study turned out to be the same thirty whose regular diets included the most vegetables. Since specific substances in vegetables are known to help the body flight disease, vegetables should be part of everyone's diet.
(E) Acme's most productive managers are consistently those who occupy the corner offices, which have more windows than other offices at Acme. Since people are more alert when they are exposed to abundant natural light, the greater productivity of these managers is probably at least in part a result of their working in the corner offices.
逻辑相似题,答案是E.请问从原文得出了哪些本质信息?如何迅速地排除答案的?
9. Since anyone who supports the new tax plan has no chance of being elected, and anyone who truly understands economics would not support the tax plan, only someone who truly understands economics would have any chance of being elected.
The reasoning in the argument is flawed because the argument ignores the possibility that some people who
(A) truly understand economics do not support the tax plan
(B) truly understand economics have no chance of being elected
(C) don not support the tax plan have no chance of being elected
(D) do not support the tax plan do not truly understand economics
(E) have no chance of being elected do not truly understand economics
对于这种题目"ignores the possibility that "应该如何下手呢?答案是D
Conservative: Socialists begin their arguments with an analysis of history, from which they claim to derive certain trends leading inevitably to a socialist future. But in the day-to-day progress of history there are never such discernible trends. Only in retrospect does inevitability appear, for history occurs through accident, contingency, and individual struggle.
Socialist: If we thought the outcome of history were inevitable, we would not work so hard to transform the institutions of capitalist society. But to transform them we must first understand them, and we can only understand them by an analysis of their history. This is why historical analysis is important in socialist argument.
12. The socialist抯 statements imply a conflict with the conservative抯 view of history if the conservative also holds that
(A) it would have been impossible for anyone to predict a significant period beforehand that the institutions of capitalist society would take the form that they actually took
(B) the apparent inevitability of historical change is deceptive; all historical events could have occurred otherwise than they actually did
(C) in the past, radical changes in social structures have mostly resulted in a deterioration of social conditions
(D) since socialism cannot arise by accident or contingency, it can only arise as a result of individual struggle
(E) because historical changes are mostly accidental, it is impossible for people to direct their efforts sensibly toward achieving large-scale changes in social conditions
这个题目如何分辨选项,然后抛弃不正确的选项.答案是E[/face]
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发表于 2003-5-19 22:37:00
