2. 外语
  3. 1 . Since a rhinoceros that has no horn is worthless to poachers, the Wildlife Protection Committee plans to protect selected rh

1 . Since a rhinoceros that has no horn is worthless to poachers, the Wildlife Protection Committee plans to protect selected rh

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问题 1 . Since a rhinoceros that has no horn is worthless to poachers, the Wildlife Protection Committee plans to protect selected rhinoceroses from being killed by poachers by cutting off the rhinos’ horns. The Wildlife Protection Committee’s plan assumes that
选项 A、poachers do not kill rhinos that are worthless to them.
B、hornless rhinos pose less of a threat to humans, including poachers, than do rhinos that have horns.
C、rhinos are the only animals poachers kill for their horns.
D、hornless rhinos can successfully defend their young against nonhuman predators.
E、imposing more stringent penalties on poachers will not decrease the number of rhinos killed by poachers.
答案A
解析 本题实际上为通过一方法达到某个目的的题型，即通过把rhinos’ horns割掉来达到保护一批选定的犀牛的目的。答案方向只可能有三种。即①角割掉与保护必然有联系；②角能够被割掉；③割掉角之后，再没有别的因素影响保护。(A)说明割掉角确实有益于保护，所以是一个很好的假设，因此(A)正确；(C)只表明rhinos并不是惟一的偷猎者捕杀后取角的动物，而推理主要关注的是rhinos割掉角后能不能被保护，而(C)与“被保护”一点关系都没有；(D)易误选，但(D)只是一个支持，因为即使无角犀牛不能保护幼兽免受来自nonhuman的攻击，但只要能免受偷猎者的攻击，结论便仍然正确。注：poacher偷捕动物的人，在他人范围内活动的人；挖走人员或窃取思想的人rhino=rhinoceros犀牛
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