单项选择题
A.negative GM B.progressive flooding C.structural failure D.an immediate need to ballast
（）we have worked out the loading plan，we shall start do...
单项选择题（）we have worked out the loading plan，we shall start doing more revision work.
A.For now B.Ever since C.Now that D.By now
（）refers to the tendency of a body of the ship to retur...
单项选择题（）refers to the tendency of a body of the ship to return to its original position after it is displaced therefrom.
A.Stability B.Responsibility C.Liability D.Visibility
The height of the metacenter above the keel will vary d...
单项选择题The height of the metacenter above the keel will vary depending on the（）.
A.draft and beam of the ship B.displacement and deadweight of the ship C.buoyancy and trim of the ship D.tonnage and deadweight of the ship
