單項(xiàng)選擇題

Fire in the cabins. Close all fire doors and use the （）powder extinguisher.

A.dry
B.wet
C.foam
D.portable

你可能感興趣的試題

單項(xiàng)選擇題

After joining the ship, the crew members should be （）with their emergency duties.

A.know
B.familiarize
C.familiar
D.familiarity

單項(xiàng)選擇題

Take off fore and aft boat （）.

A.plugs
B.nests
C.davits
D.covers