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單項(xiàng)選擇題

While you are turning the windlass over slowly , （）all the moving parts.

A.oil
B.grease
C.oiled
D.greased

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單項(xiàng)選擇題

After the anchor reaches the bottom,（）the engine room that power and water are finished with.

A.note
B.notice
C.ask
D.inform

單項(xiàng)選擇題

In anchor orders, “Up and down” means “（）”.

A. The chain is not upright
B. The chain is upright
C. The chain is slack
D. The chain is not slack