2. 外语
  3. The passage suggests that a lack of modern sanitation would make which of the following most likely to occur? Which of the foll

The passage suggests that a lack of modern sanitation would make which of the following most likely to occur? Which of the foll

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问题 The passage suggests that a lack of modern sanitation would make which of the following most likely to occur?
Which of the following, if true, would most strengthen the author’s assertion about the cause of the Lyme disease outbreak in the United States?
选项 A、The deer population was smaller in the late nineteenth century than in the mid-twentieth century.
B、Interest in outdoor recreation began to grow in the late nineteenth century.
C、In recent years the suburbs have stopped growing.
D、Outdoor recreation enthusiasts routinely take measures to protect themselves against Lyme disease.
E、Scientists have not yet developed a vaccine that can prevent Lyme disease.
答案A
解析 The best answer is A. The author asserts that the recent high incidence of Lyme disease can be attributed to an increase in the deer population. The author’s assertion would be supported if it were to be shown that the deer population was lower in the late nineteenth century, when the incidence of Lyme disease was sporadic. Choice B is incorrect because it does not provide information clearly supporting the author’s assertion that Lyme disease increased as a result of an increase of the deer population and an increase in outdoor recreational activities in the deer’s habitat. Choice C, if true, could actually weaken the author’s argument that the outbreak of Lyme disease is related to the growth of the suburbs. Choices D and E are incorrect because they are not relevant to what the author claims has caused the recent outbreak of Lyme disease.
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