A.officerB.motormanC.sailorD.engineerThe duty （） should……

单项选择题---（）! ---Engine dead slow astern!

A. Dead slow astern
B. Engine slow astern
C. Engine half astern
D. Ready

单项选择题---（）! ---Both engines stopped!

A. Stop engine
B. Stop both engines
C. Stop port
D. Stop them

单项选择题--- （）! ---Engine Stopped!

A. Stop engine
B. Stop port
C. Stop starboard
D. All port

单项选择题Steer the wheel carefully and keep a sharp lookout （） .

A. look out
B. look around
C. look at

单项选择题---Slow ahead both engines! ---Slow ahead both engines! （）!

A. Both engines slow ahead
B. Engine slow ahead port
C. Engine slow ahead starboard
D. Engine both ahead