The muster list shows each rig hand’s muster station，his duties during abandonment，basic instructions，and（）.

单项选择题Small oil spills on deck can be kept from going overboard by（）.

A.driving wooden plugs into the vents
B.closing the lids on the vents
C.plugging the scuppers
D.plugging the sounding pipes

单项选择题Seeing that all hands are familiar with their duties，as specified in the muster list，is the responsibility of the（）.

A.Master
B.Chief Mate
C.safety officer
D.department heads

单项选择题An inflatable liferaft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?（）

A.The sea anchor deploys
B.The floor inflates
C.If upside down，the craft rights itself
D.The painter detaches from the raft

单项选择题You hear the general alarm and ship’s whistle sound for over 10 seconds. Traditionally，this is the signal for（）.

A.abandon ship
B.dismissal from fire and emergency stations
C.fire and emergency
D.man overboard

单项选择题Is extra power available（）emergency while maneuvering?

A.for
B.in
C.during
D.to