Reading Comprehension
试题详情
题目：
It can be inferred from the passage that the author believes which of the following to be true of the amphibian extinctions that have recently been reported?
选项:
A、They have resulted primarily from human activities causing environmental degradation.
B、They could probably have been prevented if timely action had been taken to protect the habitats of amphibian species.
C、They should not come as a surprise, because amphibian populations generally have been declining for a number of years.
D、They have probably been caused by a combination of chance events.
E、They do not clearly constitute evidence of general environmental degradation.
答案:
E
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