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
单项选择题 ---Ring off engine! ---Ring off engine! （）
单项选择题 ---Stand by engine! ---Stand by engine!（）
单项选择题 Who is the head of the deck department?（）
