单项选择题
A.danger B.safe C.safely D.safety
If our captain is not in his cabin, he must be on the（驾...
单项选择题If our captain is not in his cabin, he must be on the（驾驶台）（）.
A. paint locker B. engine room C. bridge D. shore
Duty sailors will consider the conditions of （装卸货）（）.A....
单项选择题Duty sailors will consider the conditions of （装卸货）（）.
A. cargo handled B. cargo handles C. cargo handle D. cargo handling
You should （松）（）the mooring lines at the same time when...
单项选择题You should （松）（）the mooring lines at the same time when the wind is big.
A.fasten B.slack C.fast D.slacken
