（）must be kept away from dry cargo.

单项选择题Wet cargo must be kept away from （） cargo.

A.dry
B.fragile
C.smelling
D.dangerous

单项选择题Heavy cargo might break （）cargo, so it can’t be stowed on top of it.

A.light
B.bulk
C.dangerous
D.wet

单项选择题Cargo for （）No.4 is to be loaded first.

A.room
B.cabin
C.hold
D.winch

单项选择题Bolts, nuts, split pins, hinges, wheels and stoppers should be frequently （）.

A.checked
B.closed
C.removed
D.cleared

单项选择题Before opening and closing the hatches, the spaces around the covers, all the parts and the gears should be （）.

A.cleared
B.checked
C.removed
D.repaired