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  • 更新 2022-09-03
  • 科目 地理
  • 题型 选择题
  • 难度 容易
  • 浏览 1842

The dead rate is _____ pigs and recovery usually ______ within 7-10 days.
A low in; occurs                           B.rich in;happens
C.high in; came about                      D.poor in;took place

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Thedeadrateispigsandrecoveryus