单项选择题
A.Give each crewmember a copy of ANNEX V of MARPOL
B.Call an all hands meeting before sailing
C.Keep placards prominently posted
D.Have each person read and sign a copy of the regulations
单项选择题 Biodegradation of the oil slick in sea water is assisted by all the following marine micro-organisms which are capable of metabolising oil compounds except（）.
单项选择题 Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include（）.
单项选择题 Application for a waiver of any requirements of the regulations for oil transfer operations must be submitted to the（）.