单项选择题
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
When the derrick is stopped, the guy must be（）.A. take ...
单项选择题When the derrick is stopped, the guy must be（）.
A. take in B. slacked off C. stowed D. taken
