单项选择题
The expression STAND-BY ENGINE means:（）.
A.to get the engine ready B.to respond to the engine C.to maneuver the engine D.to change the engine
单项选择题 Some goods are missing（）terrible weather.
单项选择题 Should that kind of weather（），the two ships would touch each other.
单项选择题 Please（）all the lines fore and aft，the vessel is just in her position of the berth now.
