单项选择题
A.required
B.requested
C.promoted
D.prohibited
单项选择题 Annex V to MARPOL 73/78 contains requirements pertaining to the discharge into the marine environment of().
单项选择题 An oil tanker with dedicated clean ballast tanks shall have adequate tank capacity dedicated solely to the carriage of()as defined.
单项选择题 All oil spills must be reported to the().