单项选择题
Of the following，the most important consideration for a tanker is（）.
A.GM B.the vertical center of gravity C.the longitudinal center of gravity D.the stress on the hull
单项选择题 Notwithstanding the provisions of this Regulation，the segregated ballast conditions for oil tankers less than 150 meters in length shall be to the（）of the Administration.
单项选择题 Litmus paste is used in order to determine（）.
单项选择题 Joiner bulkheads on a vessel provide（）.
