单项选择题

---Dead slow ahead!
----Dead slow ahead! （）

A. Engine dead slow ahead!
B. Engine dead ahead slow!
C. Engine slow dead ahead!
D. I do it right now

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单项选择题

---Ring off engine!
---Ring off engine! （）

A. Finished with engine!
B. Engine rung off!
C. Engine stand by!
D. Got it.

单项选择题

---Stand by engine!
---Stand by engine!（）

A. Engine stand by!
B. Finished with engine!
C. Engine by stand!
D.OK.

单项选择题

A.Captain.
B.Bosun.
C.Chief officer.
D.Chief engineer.