单项选择题
A.room B.cabin C.hold D.winch
Bolts, nuts, split pins, hinges, wheels and stoppers sh...
单项选择题Bolts, nuts, split pins, hinges, wheels and stoppers should be frequently （）.
A.checked B.closed C.removed D.cleared
Before opening and closing the hatches, the spaces arou...
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
The foreman said three （）would come on board to load ca...
单项选择题The foreman said three （）would come on board to load cargo.
A.teams B.parties C.gangs D.pairs
