单项选择题
A.Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine
B.The heating coils to the cargo tank loaded with methyl acrylate must be blanked off
C.Valve components made of aluminum，copper，or zinc may not be in contact with the cargoes
D.Each crew member working on deck must have an emergency escape breathing apparatus
单项选择题 Winds expected to（）Storm Force 10 in south-east semicircle later up to 300 miles from the center of the tropical cyclone.
单项选择题 Which topic is NOT required to be discussed at the pre-transfer conference?（）
单项选择题 Which system may be useful for messages，such as local storm warnings or a shore-to-ship distress alert，for which it is inappropriate to alert all ships in the satellite coverage area?（）