单项选择题
A.Wet B.Heavy C.Light D.Dry
（）cargo is unloaded by large grain elevators.A.GeneralB...
单项选择题（）cargo is unloaded by large grain elevators.
A.General B.Liquid C.Drybulk D.Wet
Rice is usually in （）.A.drumsB.casesC.bagsD.tanks
单项选择题Rice is usually in （）.
A.drums B.cases C.bags D.tanks
Containers are stowed both （）deck.A. on top ofB. on and...
单项选择题Containers are stowed both （）deck.
A. on top of B. on and along C. above and below D. below
