78.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.
78. 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 inhalers make the lungs more sensitive to irritation by airborne pollen.
(D) By temporarily 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.
I am very confused by choice A which was given as the right key in the answer sheet.
In this question, we are asked to select one choice which does not support the author's conclusion. Let's take a look at choice A. It says that urban populations have doubled in the past decade. And the arguer points out that an increase in urban pollution has been suspectded to be attributed to the increased death rate from asthma. Therefore, my thinking is that A does provide support to the conclusion.
It is cited that the more accurate recording of deaths due to asthma could be responsible for the increased death rate from asthma. Nevertheless, choice B says that Records of asthma deaths are as accurate for the past twenty years as for the past ten years, therefore choice in fact weakens the author's evidence of conclusion.
As such, I think B is the right key instead of A. Please correct me if I have made any mistakes here.
WONDERLAND2004 发表于 2004-7-3 18:42
78.Despite improvements in treatment for asthma, the death rate from this disease has doubled during ...
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