单项选择题
The cargo is liable to burn.Please keep it（）the engine room.
A.out of B.away from C.from away D.out from
单项选择题 The cargo fall over the dock is called the（）.
单项选择题 The Captain of the Port has closed to navigation，and buoyed，a section of a harbor. These buoys would be painted（）.
单项选择题 Red lights may appear on（）.
