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题库 / Prep2008E2-CR-112
Unless tiger hunting decreases, tigers will soon be extinct in the wild. The countries in which the tigers' habitats are located are currently debating joint legislation that would ban tiger hunting. Thus, if these countries can successfully enforce this legislation, the survival of tigers in the wild will be ensured.
The reasoning in the argument is most vulnerable to criticism on the grounds that the argument
assumes without sufficient warrant that a ban on tiger hunting could be successfully enforced
considers the effects of hunting on tigers without also considering the effects of hunting on other endangered animal species
fails to take into account how often tiger hunters are unsuccessful in their attempts to kill tigers
neglects to consider the results of governmental attempts in the past to limit tiger hunting
takes the removal of an impediment to the tigers' survival as a guarantee of their survival
情景：除非减少对于老虎的捕猎，否则野生老虎将会很快消失。现在老虎栖息地所在国家将会立法来减少老虎的捕猎行为。因此，如果这个立法生效，那么老虎的生存将得到保证。
推理：推理文段的结论句在讨论若方案生效，将会达成目标。问题让我们评估这个推理，因此本题为方案推理。
目标：To ensure the survival of tigers in the wild
方案：Successfully enforce joint legislation that would ban tiger hunting
选题方式：方案推理有三个评估方向，简而言之，即，答案选项一定和方案的内容相关。
选项分析：
A选项：假设了如果没有足够的依据限制捕猎老虎的法令可以成功实施。
B选项：考虑了捕猎老虎带来的影响而没有考虑捕猎其它濒危动物所带来的影响。
C选项：没有考虑到猎人有多少概率会捕杀老虎失败。
D选项：忽略考虑了从前政府试图限制捕杀老虎的结果。
E选项：Correct. 认为某一个妨碍老虎生存的理由被移除就可以保证老虎的生存。只有本选项提到了方案的可行性。
D选项，方案无法奏效
A错的原因是：原文已经给了既定前提：if these countries can successfully enforce this legislation--如果这些国家能够成功执行这项立法，攻击既定前提if，所以（×）
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