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單項(xiàng)選擇題

Stand by engine. （）

A. Get the engine ready.
B. Ring off engine.
C. Stop engine.
D. Stand on it.

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單項(xiàng)選擇題

The duty （） should do the cleaning work every morning.

A.officer
B.motorman
C.sailor
D.engineer

單項(xiàng)選擇題

---（）!
---Engine dead slow astern!

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