单项选择题
A.existing crude oil tanker of 20000 tons deadweight and under
B.new crude oil tanker of 20000 tons deadweight and under
C.existing crude oil tanker of 20000 tons deadweight and above
D.new crude oil tanker of 20000 tons deadweight and above
单项选择题 Every new crude oil tanker of 20000 tons deadweight and above and every new product carrier of 30000 tons deadweight and above shall be provided with（）.
单项选择题 According to Annex V to MARPOL 73/78，garbage containing plastic is permitted to be disposed of by（）.
单项选择题 A ship that，at any time，operates seaward of the outermost boundary of the territorial sea is required to prepare，submit，and maintain a（n）（）.