单项选择题
--- Midships! ----Midships!（）
A. Wheel’s midships! B. Course on. C. Wheel's well！ D. OK.
----Hard-a-port! ----Hard-a-port!（）!A. Hard-a-portB. Wh...
----Hard-a-port! ----Hard-a-port!（）!
A. Hard-a-port B. Wheel hard-a-port C. Wheel on hard-a-port D. Yes
--- Port five! ----Port five!（）!A. Wheel port fiveB. Po...
--- Port five! ----Port five!（）!
A. Wheel port five B. Port five C. Port is five D. Yes
Duty officer and （）keep navigational watches on the bri...
单项选择题Duty officer and （）keep navigational watches on the bridge at sea.
A.seaman B.sailor C.duty sailor D.OS
