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
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相关考题
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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 -
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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
