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BraveMBA的LSAT逻辑5/5，为什么呀？
14. Consumer advocate: tropical oils are high in saturated fats, which increase the risk of heart disease Fortunately, in most prepared food tropical oils can be replaced by healthier alternatives without noticeably affecting taste. Therefore, intensive publicity about the disadvantage of tropical oils will be likely to result in dietary changes that will diminish many people’s risk of developing heart disease
Nutritionist: The major sources of saturated fat in the average North American diet are meat, poultry, and dairy products, not tropical oils. Thus, focusing attention on the health hazards of tropical oils would be counterproductive, because it would encourage people to believe that more substantial dietary changes are unnecessary.
Which one of the following is a point at issue between the nutritionist and the consumer advocate?
(A) Whether a diet that regularly includes large quantities of tropical oil can increase the risk of heart disease
(B) Whether intensive publicity campaigns can be effective as means of changing people’s eating habits
(C) Whether more people in North American would benefit from reducing the amount of meat they consume than would benefit from eliminating tropical oils from their diets.
(D) Whether some people’s diets could be made significantly healthier if they replaced all tropical oils with vegetable oils that are significantly lower in saturated fat
(E) Whether conducting a publicity campaign that by focusing on the health hazards of tropical oils persuades people to replace such oils with healthier alternatives is a good public-health strategy.
答案是E
15. People who take what others regard as a ridiculous position should not bother to say, “I mean every word!” For either their position truly is ridiculous, in which case insisting that they are serious about it only exposes them to deeper embarrassment, or else their position has merit, in which case they should meet disbelief with rational argument rather than with assurances of their sincerity.
Which one of the following arguments is most similar in its reasoning to the argument above?
(A) A practice that has been denounced, as poor practice should not be defended on the grounds that “this I show we have always done it.” If the practice is a poor one, so much the worse that is has been extensively used; if it is not poor one, there must be a better reason for engaging in it than inertia
(B) People who are asked why they eat some of the unusual foods they eat some of the unusual foods they eat should not answer, “because that is what I like, “This sort of answer will sound either na?ve or evasive and thus will satisfy no one
(C) People whose taste in clothes is being criticized should not replay, “Every penny I spent on these clothes I earned honestly.” For the issue raise by the critics is not how the money was come by but rather whether it was spent wisely.
(D) Scholars who champion unpopular new theories should not assume that the widespread rejection of their ideas shows that they “must be no the right track.” The truth is that few theories of any consequence are either wholly right or wholly right or wholly wrong and thus there is no substitute for patient works in ascertaining which parts are right.
(E) People who set themselves goals that others denounce as overly ambitious do little to silence their critics if they say, “I can accomplish this if anyone can. “Rather, those people should either admit that their critics are right or not dignify the criticism with any reply.
答案是A
24. The brains of identical twins are genetically identical. When only one of a pair of identical twins is a schizophrenic, certain areas of the affected twin’s brain are smaller than corresponding areas in the brain of the unaffected twin. No such differences are found when neither twin is schizophrenic. Therefore, this discovery provides definitive evidence that schizophrenia is caused by damage to the physical structure of the brain.
If the statements on which the conclusion above is based are all true, each of the following cold be true EXCEPT:
(A) People who lack a genetic susceptibility for the disease will not develop schizophrenia
(B) Medications can control most of the symptoms of schizophrenia inmost patients but will never be able to cure it.
(C) The brains of schizophrenics share many of the characteristics found in those of people without the disorder.
(D) It will eventually be possible to determine whether or not some one will develop schizophrenia on the basis of genetic information alone
(E) Brain abnormalities associated with schizophrenia are the result of childhood viral infections that inhibit the development of brain cells.
答案是D
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发表于 2003-5-5 23:16:00
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