单项选择题
A. Hard-a-starboard B. Hard-a- port C. Port hard D. Full starboard
右舵十（）A. Starboard tenB. Starboard fiveC. Sort tenD. Sor...
单项选择题右舵十（）
A. Starboard ten B. Starboard five C. Sort ten D. Sort five
左舵五（）A. Port a littleB. Port fiveC. Port moreD. Starboa...
单项选择题左舵五（）
A. Port a little B. Port five C. Port more D. Starboard five
