单项选择题
A.another deck B.two other decks C.no deck D.additional deck
The terms ceiling and margin plate are associated with ...
单项选择题The terms ceiling and margin plate are associated with the（）.
A.crew's quarters B.engine room C.main deck D.tank top
The stevedores have already stowed the porcelain ware（）...
单项选择题The stevedores have already stowed the porcelain ware（）up to the deckhead.
A.loosely B.closely C.heavily D.strongly
The process of lowering a boom to a horizontal position...
单项选择题The process of lowering a boom to a horizontal position and onto its deck support is called（）.
A.spotting a boom B.collaring a boom C.cradling a boom D.toppling a boom
