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[Critical Reasoning]
试题详情
题目：
Which of the following most logically completes the reasoning?
Either food scarcity or excessive hunting can threaten a population of animals. If the group faces food scarcity, individuals in the group will reach reproductive maturity later than otherwise. If the group faces excessive hunting, individuals that reach reproductive maturity earlier will come to predominate. Therefore, it should be possible to determine whether prehistoric mastodons became extinct because of food scarcity or human hunting, since there are fossilized mastodon remains from both before and after mastodon populations declined, and ______.
选项:
A、there are more fossilized mastodon remains from the period before mastodon populations began to decline than from after that period
B、the average age at which mastodons from a given period reached reproductive maturity can be established from their fossilized remains
C、it can be accurately estimated from fossilized remains when mastodons became extinct
D、it is not known when humans first began hunting mastodons
E、climate changes may have gradually reduced the food available to mastodons
答案:
B
提问：
请唐老师解答分析一下这道题，我只读了therefore之后的部分，看完五个选项觉得都无关。。谢谢老师
解答：
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阅读446
提问：
请唐老师解答分析一下这道题，我只读了therefore之后的部分，看完五个选项觉得都无关。。谢谢老师
解答：
点赞0
阅读447
提问：
B读不懂，读成年龄可以被什么通过什么，这跟原文感觉没一点关系啊
解答：
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阅读815
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