单项选择题
The difference between the starboard and port drafts caused by shifting a weight transversely is（）.
A.list B.heel C.trim D.flotation
单项选择题 The change in trim of a vessel may be found by（）.
单项选择题 A change of trim may be simply defined as（）.
单项选择题 A neutral equilibrium position for a vessel means that the metacenter is（）.
