单项选择题
A.provided that
B.on the part of
C.nevertheless
D.notwithstanding
单项选择题 Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?（）
单项选择题 After an IOPP Certificate is issued to an inspected vessel，how many other surveys of the vessel’s pollution prevention equipment are conducted during the period of validity of the certificate?（）
单项选择题 ACCIDENTAL ESCAPE OF OIL OUT OF A TANK WHEN IT GETS TOO FULL BECAUSE PUMPING WAS NOT STOPPED IN TIME defines（）.