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题目选项分析

Birds have been said to be descended from certain birdlike dinosaur species with which they share distinctive structural features. The fossil record, however, shows that this cannot be so, since there are bird fossils much older than the earliest birdlike dinosaur fossils that have been found.

Which of the following is an assumption on which the argument relies?

【选项】There are no birdlike dinosaur fossils that are older than the bird fossils but have not yet been unearthed.

选项是否正确?

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG17-607
  • 题目来源2:OG18-607
  • 题目来源3:OG19-604
  • 题目来源4:OG20-693
正确率:67% 中等