单项选择题
When off loading garbage to another ship, your records must identify that ship by name and （）
A.home port B.operators name of record C.official number D.masters name
单项选择题 You can find the location of your abandon ship post by checking the （）.
单项选择题 CO2 extinguishes a fire by （）.
单项选择题 How long warning must be provided by the CO2 warning Mann before CO2 is discharged into a space （）.
