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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1946

After the high-speed train crash, Chinese President Hu Jintao and Premier Wen Jiabao _____ “all-out efforts” to rescue injured passengers.

A.called on B.called for
C.called up D.called out
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Afterthehighspeedtraincrash,Ch