--- Midships!
----Midships!（）
 

单项选择题----Hard-a-port! ----Hard-a-port!（）!

A. Hard-a-port
B. Wheel hard-a-port
C. Wheel on hard-a-port
D. Yes

单项选择题--- Port five! ----Port five!（）!

A. Wheel port five
B. Port five
C. Port is five
D. Yes

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

单项选择题---“（）” ---“Two degrees on starboard.”

A. What rudder?
B. How is the heading?
C. How answer?
D. What course?

单项选择题“Port a little sluggish” means（）

A. that the port rudder answers very well.
B. that the port rudder answers slow.
C. that the port rudder answers quickly.
D. that the port rudder is broken.