单项选择题
A.charge B.load C.discharge D.handle
（）(除了) the fire drill, there are also boat drill and em...
单项选择题（）(除了) the fire drill, there are also boat drill and emergency drill on board.
A. Except B. Although C. In addition to D. But
（）(放低) the embarkation ladder.A. LowerB. HoistC. Put on...
单项选择题（）(放低) the embarkation ladder.
A. Lower B. Hoist C. Put on D. Put down
Collect oil with （）(油桶).A.cottonB.ragsC.bucketD.sawdus...
单项选择题Collect oil with （）(油桶).
A.cotton B.rags C.bucket D.sawdust
