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（）.
单项选择题 Safe water buoys may show ONLY（）.
单项选择题 On cargo and miscellaneous vessels what is NOT a required part of the fireman’s outfit?（）
