单项选择题
The equipment required to remove an on-deck oil spill on a barge transfering oil must either be arried on board or（）.
A.on a tug standing by B.available by contract with the shore facility C.kept at the shoreside hose connection during transfer D.kept in a protected shoreside location readily accessible
单项选择题 The davit launched life raft can be boarded（）.
单项选择题 The davit aboard a ship is used to（）.
单项选择题 The canopy of an inflatable liferaft should（）.
