2. 外语
  3. According to the passage, which of the following best describes most ozone-depleting chemicals in 1996 as compared to those in 1

According to the passage, which of the following best describes most ozone-depleting chemicals in 1996 as compared to those in 1

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问题 According to the passage, which of the following best describes most ozone-depleting chemicals in 1996 as compared to those in 1987?
The author of the passage compares the smuggling of CFC’s to the illicit drug trade most likely for which of the following reasons?
选项 A、To qualify a previous claim
B、To emphasize the extent of a problem
C、To provide an explanation for an earlier assertion
D、To suggest that the illicit CFC trade, likely the illicit drug trade, will continue to increase
E、To suggest that the consequences of a relatively little-knows problem are as serious as those of a well-known one
答案B
解析 This question asks you to identify the purpose of the author’s comparison of CFC smuggling and the illicit drug trade. The best answer is B. The author notes that the smuggling of CFC’s is, in the view of the United States Customs Service, a problem “second only” to the illicit drug trade. This provides a point of reference that emphasizes the extent of the CFC smuggling problem. Choice A is not correct To qualify a claim is to weaken or soften it. The author’s comparison of CFC smuggling to the illicit drug trade in fact underscores the previous claim, which ahs to do with the amount of contraband CFC’s traded each year on the black market. Choice C is not correct because the comparison of CFC smuggling to the illicit drug trade does not provide an explanation for an assertion made in the passage. Choices D and E are not correct because the comparison of CFC smuggling to the illicit drug trade illustrates the extent of the CFC smuggling problem, but does not suggest further similarities between the two phenomena, such as the likelihood of their increase. The author also does not express any opinion as to the relative seriousness of the two problems’ consequence.
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