单项选择题
A.Maritime Advisory Council B.International Maritime Organization C.International Association of Shipping D.Association of Seafaring Nations
Providing you are not sailing in the Red Sea or another...
单项选择题Providing you are not sailing in the Red Sea or another special area as listed in ANNEX V of MARPOL，how many miles from land must you be to throw garbage including bottles，rags，and glass that has not been ground up into the sea? （）
A.3 nm B.6 nm C.12 nm D.25 nm
Open ullage holes in tanks which are not gas-free must ...
单项选择题Open ullage holes in tanks which are not gas-free must be protected by（）.
A.PV valves B.warning signs C.flame screens D.stop-check valves
Oil slick caused by spillage of oil from tanker ship is...
单项选择题Oil slick caused by spillage of oil from tanker ship is（）.
A.a drop of oil B.the emulsion of oil at sea surface C.the weathered oil D.the oil floating on the surface of the sea water
