※ 引述《vincactusi (吸)》之铭言： : 2.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 hunter, 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? : 答案是 : B. It has been many years since the restriction led to the hunting season for : snow geese being closed earlier than the scheduled date. : 我不懂为什麽? 我刚刚看完了CD上的讨论 http://forum.chasedream.com/dispbbs.asp?boardID=24&ID=141943&page=7 说实在我也不太确定这样对不对 但是B似乎是在考文法 It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date. 桃红色的字是说，以下这件事情 hunting season 提早结束，表示雪鹅被杀的比预期快，取消限制就会被杀更多 但是这件事情呢 已经是好几年前的事情了 所以雪鹅被杀很多，是几年前的事了 → 现在没那麽受欢迎了 → 取消限制也不会有用 故反驳原文 其他答案我觉得都明显错，或是跟打猎无关 A: Hunting limits for snow geese were imposed many years ago in response to a sharp decline in the population of snow geese. 这个限制是好多年前就已经实施的 C: The number of snow geese taken by hunters each year has grown every year for several years. 每年雪鹅被捕的量越来越多 → 支持原文 D: As their population has increased, snow geese have recolonized wintering grounds that they had not used for several seasons. 因为雪鹅数量增加，他们又开始用了好久没用的冬天栖息地 E: In the snow goose’s winter habitats, the goose faces no significant natural predation. 在雪鹅的冬天栖息地，他们没有主要的天然捕食 (看不太懂) -- 别忘了. 山谷里. 寂寞的. 角落里 --

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