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地板
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发表于 2013-11-7 22:12:24
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非常感谢Helr的解答。
下面是我对58、59题的分析,请多多指正!
OG 58题:
Red blood cells in which the malarial-fever parasite resides are eliminated from a person’s body after 120 days. Because the parasite cannot travel to a new generation of red blood cells, any fever that develops in a person more than 120 days after that person has moved to a malaria-free region is not due to the malarial parasite.Which of the following, if true, most seriously weakens the conclusion above?
(A) The fever caused by the malarial parasite may resemble the fever caused by flu viruses.
(B) The anopheles mosquito, which is the principal insect carrier of the malarial parasite, has been eradicated in many parts of the world.
(C) Many malarial symptoms other than the fever, which can be suppressed with antimalarial medication, can reappear within 120 days after the medication is discontinued.
(D) In some cases, the parasite that causes malarial fever travels to cells of the spleen, which are less frequently eliminated from a person’s body than are red blood cells.
(E) In any region infested with malaria-carrying mosquitoes, there are individuals who appear to be immune to malaria.
推理模式为:相关因果
我发现文中说120天后发热与120后红细胞中的malarial parasite被清除是碰巧发生在一起的两个事件。
前提:120天后,红细胞中的malarial parasite被清除
结论:120天后发热,不是由于malarial parasite导致
题目问削弱,则等同于加强“120天后发热,是由于malarial parasite导致”
只有D选项可以解释“120天后发热,是由于malarial parasite导致”。
59题:
Which of the following most logically complete the passage?
A recent government study links the high rates of respiratory ailment in Groverston to airborne pollutants released by the Woodco plywood manufacturing plant there. To address the problem, the government imposed strict regulations on emissions which will go into effect in four years. Although Woodco plans to cut its emissions in half two years ahead of schedule, it is unlikely that the rate of respiratory ailments will decline before the regulations go into effect, since .
(A) the number of facilities capable of treating respiratory ailments is not likely to increase
(B) reducing emissions even further than planned would necessitate decreasing production at Woodco
(C) it is difficult to make accurate, long-term predictions about emissions
(D) not all respiratory ailments are caused by airborne pollutants
(E) three new plywood manufacturing plants are about to go into production in Groverston
推理方式为因果推理
前提:Rate of R.a.与空气污染有关
结论:排放物减少一半,而rate却没有下降
问加强,则等同于削弱“排放物减少一半,rate应该会下降”
E选项可以削弱这个因果联系。
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