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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1351

The astronauts have to lie ________ the floor of the spaceship to fight against the great pressure during the flight.

A.in B.beyond C.against D.at
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Theastronautshavetoliethefloor