单项选择题
A.metacentric height
B.height of the metacenter above the keel
C.height of the center of buoyancy above the keel
D.height of the center of gravity above the keel
单项选择题 The greatest effect on stability occurs from loose liquids flowing（）.
单项选择题 The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.
单项选择题 The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.