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單項(xiàng)選擇題

Place names used on board ships should be those （）.

A.specified by international authorities
B.specified by national authorities
C.on standard map
D.on the chart or Sailing Directions in use

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單項(xiàng)選擇題

While steaming slowly in the harbor，no ship is （） to exceed the speed limited．

A.assumed
B.appreciated
C.promised
D.permitted

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