单选题某轮船速12kn,顶风顺流航行,流速2kn,风使船减速1kn,则1h后船舶对水航程为()。A11nmileB12nmileC13nmileD14nmile

单选题
某轮船速12kn,顶风顺流航行,流速2kn,风使船减速1kn,则1h后船舶对水航程为()。
A

11nmile

B

12nmile

C

13nmile

D

14nmile


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