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[Critical Reasoning]
试题详情
题目：
Kate: The recent decline in numbers of the Tennessee warbler, a North American songbird that migrates each fall to coffee plantations in South America, is due to the elimination of the dense tree cover that formerly was a feature of most South American coffee plantations.
Scott: The population of the spruce budworm, the warbler's favorite prey in North America, has been dropping. This is a more likely explanation of the warbler's decline.
Which of the following, if true, most seriously calls Scott's hypothesis into question?
选项:
A、The numbers of the Baltimore oriole, a songbird that dose not eat budworms but is as dependent on South American coffee plantations as is the Tennessee warbler, are declining.
B、The spruce-budworm population has dropped because of a disease that can infect budworms but not Tennessee warblers.
C、The drop in the population of the spruce budworm is expected to be only temporary.
D、Many Tennessee warbler have begun migrating in the fall to places other than traditional coffee plantations.
E、Although many North American songbirds have declined in numbers, no other species has experienced as great a decline as has the Tennessee warbler.
答案:
A
提问：
请问D选项为何是不对呢？warbler迁徙到别的地方导致其数量减少不就是作为它因削弱了Scott给出的因为食物减少的原因了吧
解答：
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提问：
请问D选项为何是不对呢？warbler迁徙到别的地方导致其数量减少不就是作为它因削弱了Scott给出的因为食物减少的原因了吧
解答：
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提问：
这题 瞬间就选了B，读完A 觉得跟原文说的不是一个事。 正确答案是A。 请老师指点一下AB选项。
解答：
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