單項選擇題

On a ship，firefighting equipment must be inspected once every（）.

A.three months
B.six months
C.twelve months
D.eighteen months

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單項選擇題

On a ship，a fixed carbon dioxide or other approved system must be installed（）.

A.where oil or chemical drums are stored
B.in all battery storage locations
C.in paint lockers
D.in all of the above locations

單項選擇題

On a ship，a fire drill shall be conducted once every（）.

A.week
B.month
C.crew change
D.other week