The falls on gravity davits are（）.

单项选择题The connection facilities for the international shore connection must be located to provide access（）.

A.on either side of the vessel
B.as close as possible to the house
C.on the main deck
D.on each level of the accommodation space

单项选择题The boat command that means complete the stroke and level the oars horizontally with the blades trimmed fore and aft is（）.

A.Oars
B.Up oars
C.Way enough
D.Hold water

单项选择题Safety goggles or glasses are NOT normally worn when（）.

A.using a rotary grinder with an installed shield
B.letting go the anchor
C.handling wire rope or natural fiber line
D.painting with a spray gun

单项选择题Safe water buoys may show ONLY（）.

A.flashing red lights
B.flashing green lights
C.white lights
D.yellow lights

单项选择题On cargo and miscellaneous vessels what is NOT a required part of the fireman’s outfit?（）

A.Self-contained breathing apparatus with a lifeline attached
B.Combustible gas indicator
C.Rigid helmet，boots，and gloves
D.Flame safety lamp