单项选择题
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 jettison of cargo shall be made fair as（）unless such cargo is carried in accordance with the recognized custom of the trade.
单项选择题 No jettison of cargo shall be made fair as（）unless such cargo is carried in accordance with the recognized custom of the trade.
单项选择题 Most of the exceptions commonly met with have been（）of judicial decisions delimiting their scopes.