单项选择题
---Ease to five! ---Reply: Ease to five! ---Report: ().
A. Ease to five B. Port five C. Five D. Yes
单项选择题 --- Starboard twenty! ---Reply: Starboard twenty! ---Report: ()
单项选择题 ---Midship! ---Reply: () ---Report: Wheel midship.
单项选择题 ---Starboard 10! ---()!