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曼哈顿题
The West Indian manatee, a distant relative of the elephant, returned to the sea some 50 million years ago. These thousand-pound herbivores inhabit the warm coastal waters where Americans like to play. Despite conservation efforts, criminal penalties for harming these creatures, and an overabundance of SAVE THE MANATEE! bumper stickers, none of these animals can be considered safe.
Which of the following, if true, most strongly supports the argument above?
A. Last year, several manatees were mysteriously killed by an unidentified toxin.
B. All manatees swim at depths that make them vulnerable to the blades of motorboat engines.
C. Most tourists are unaware of the ongoing efforts to save the manatee.
D. The population of manatees in the wild has dwindled to fewer than 2,500 animals.
E. Although dozens of manatee deaths are documented each year, many more deaths go unreported.
我理解的
题目意思:尽了保护和宣传的努力,但还是没能确保manatee的安全
那就是选选项能表明:还有不可控制的因素导致不安全
B、C的意思:effort没做好。判断思路:为什么你说尽了努力还有motorboat在那里?还有游客没有这个意识? 所以我认为这两个选项是在讨论它的effort的效果
D、E无关
但是答案不是A。
求解答!!!!!感激不尽!!!!!!!
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