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题目内容
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they winter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover.

Which of the following, if true, most seriously undermines the argument?
  • AHunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese. 分析该选项
  • BIt has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date. 分析该选项
  • CThe number of snow geese taken by hunters each year has grown every year for several years. 分析该选项
  • DAs their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons. 分析该选项
  • EIn the snow goose's winter habitats, the goose faces no significant natural predation. 分析该选项
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正确答案: B
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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:GWD-153
  • 正确率:37%
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