单项选择题
A. All officers B. All engineers C. All the crew D. All sailors
（）should be saved first in an accident.A. The shipB. Th...
单项选择题（）should be saved first in an accident.
A. The ship B. The cargo on board C. The persons on board D. The bridge
The emergency alarm is sounded on （）according to master...
单项选择题The emergency alarm is sounded on （）according to master’s order.
A.VHF B.broadcast C.radio D.sextant
The life-jacket is usually put （）in your cabin.A. in th...
单项选择题The life-jacket is usually put （）in your cabin.
A. in the refrigerator B. in the cupboard C. under the bed D. on the table
