求助：狒狒题目版-4

ran2010zx · 发表于 2011-2-7 22:12:12

4. The graysquirrel, introduced into local woodlands ten years ago, threatens theindigenous population of an endangered owl species, because the squirrels’habitual stripping of tree bark destroys the trees in which the owls nest. Somelocal officials have advocated setting out poison for the gray squirrels. Theofficials argue that this measure, while eliminating the squirrels, would poseno threat to the owl population, since the poison would be placed in containersaccessible only to squirrels and other rodents.
Which one of thefollowing, if true, most calls into question the officials’ argument?
(A) One of thespecies whose members are likely to eat the poison is the red squirrel, aspecies on which owls do not prey.
(B) The owls whosenesting sites are currently being destroyed by the gray squirrels feedprimarily on rodents.
(C) No indigenouspopulation of any other bind species apart from the endangered owls isthreatened by the gray squirrels.
(D) The owls thattare threatened build their nests in the tops of trees, but the gray squirrelsstrip away back from the trunks.
(E) The officials’plan entails adding the poison to food sources that are usually eaten byrodents but not by other animals.
我怎么看着没有答案啊，答案说是B，但我觉得B是加强了啊

ran2010zx · 发表于 2011-2-7 22:13:32

哦。。。表示选项意思理解错了。。。我错了。。。

求助：狒狒题目版-4

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