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题目材料:

It can be inferred that Robinson would most likely agree with which of the following claims about fossil Sporormiella spores?
  • A They should appear in the microfossil record in inverse proportion to megafauna fossils.
  • B They should be more plentiful in the microfossil record during periods when microscopic charcoal is also plentiful.
  • CThey provide evidence about the timing of the first humans` appearance in upstate New York.
  • D They may have been eliminated from the microfossil record at times because they were destroyed by intense fires.
  • EThey tend to decline in the microfossil record during periods in which megafauna populations increased.

C显示答案

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