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发布时间: 1970-01-01

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1最佳选择题 3分

Inalmostallcasesthesoftpartsoffossilsaregoneforeve

  • A. can always be accurately identified.
  • B. have usually left some traces.
  • C. can usually be reconstructed.
  • D. have always vanished without any trace.
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本题解析: 暂无解析

2最佳选择题 3分

Inalmostallcasesthesoftpartsoffossilsaregoneforeve

  • A. they were preserved with the present relatives of the animal.
  • B. they were lodged inside the animal’s skull.
  • C. they were hardened parts of the animal’s body.
  • D. they were attached to the animal’s skeleton.
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本题解析: 暂无解析

3最佳选择题 3分

Inalmostallcasesthesoftpartsoffossilsaregonefor

  • A. satisfy popular curiosity.
  • B. answer scientific questions.
  • C. establish its activities.
  • D. determine its eating habits.
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4最佳选择题 3分

Inalmostallcasesthesoftpartsoffossilsaregonefor

  • A. equally important.
  • B. definable.
  • C. equally doubtful.
  • D. deliberate.
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本题解析: 暂无解析

5最佳选择题 3分

Inalmostallcasesthesoftpartsoffossilsaregoneforeve

  • A. A fossilized animal’s appearance is usually restored accurately.
  • B. It is difficult to restore some fossilized animals because they had no external parts.
  • C. The prehistoric elephants are hairless.
  • D. An extinct animal does not definitely looked like its living relatives.
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本题解析: 暂无解析

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