单项选择题
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
The wire ropes and blocks, or pulleys, on a ship are ca...
单项选择题The wire ropes and blocks, or pulleys, on a ship are called （）.
A.fittings B.riggings C.equipment D.device
