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Thepurposeof Rothschild sstudyistosee .

  • A.how of tenichthyo saurs caught the bends
  • B.how ichthyosaursadapted todecompression
  • C.whyichthyosaursbent their bodies
  • D.when ichthyo saurs broke their bones
试题出自试卷《江苏2013年高考英语试题及参考答案》
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