单项选择题
Many dangerous cargoes are stowed on deck becaused of the（）.
A.danger to crew and cargo B.necessity of periodic inspection C.possibile need to jettison D.All of the above
单项选择题 Master must ascertain that deck loads are stowed in such a manner as（）.
单项选择题 May I set off the shortage（）the overage?
单项选择题 Movement of liquid in a tank when a vessel inclines causes an increase in（）.
