单项选择题
The duty （） should do the cleaning work every morning.
A.officer
B.motorman
C.sailor
D.engineer
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相关考题
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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
