单项选择题
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
The boat command that means complete the stroke and lev...
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
Safety goggles or glasses are NOT normally worn when（）....
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
Safe water buoys may show ONLY（）.A.flashing red lightsB...
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
