单项选择题
A.free surface effects
B.capsizing the ship
C.continued progressive flooding
D.wind overturning moments
单项选择题 Ordinarily the transit（）when the goods leaves the seller’s possession，and ends when they get into the possession of the buyer.
单项选择题 On an OSV，when may a work vest be substituted for a required life jacket?（）
单项选择题 OAP IF ANY TO BE CHTRS ACCT BUT OWNERS CONTRIBUTION USD 0.3/MT. What does OAP stand for?（）