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[Reading Comprehension]
试题详情
文章：
题目：
The passage suggests which of the following about the identification of a species as a keystone species?
选项:
A、Such an identification depends primarily on the species' relationship to the dominant species.
B、Such an identification can best be made by removing the species from a particular ecosystem and observing changes that occur in the ecosystem.
C、Such an identification is likely to be less reliable as an ecosystem becomes less diverse.
D、Such an identification seems to depend on various factors within the ecosystem.
E、Such an identification can best be made by observing predation behavior.
答案:
D
提问：
请问这道题选D的原因，我定位到了原文最后一句话，但是没有找到选项对应它，所以选择了C
解答：
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提问：
请问这道题选D的原因，我定位到了原文最后一句话，但是没有找到选项对应它，所以选择了C
解答：
点赞0
阅读472
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