单项选择题
OAP IF ANY TO BE CHTRS ACCT BUT OWNERS CONTRIBUTION USD 0.3/MT. What doesOAP stand for?（）
A.Old Age Pension B.Overage Additional Premium C.Organization of Arab Petroleum countries D.Optimum amplitude and phase modulation
单项选择题 No damage of any kind（）aids to navigation or navigation facilities.
单项选择题 My vessel maneuvering（）difficulty．Please keep well clear（）me.
单项选择题 Making water rapidly in all holds，all passengers and crew were ordered on deck（）and all boats were lowered to rail.
