单项选择题
A.the search has found nothing B.the derelict has been found C.the derelict has been located D.the derelict has been sighted
One of the signals，other than a distress signal，that ca...
单项选择题One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.
A.red star shell B.searchlight C.burning barrel D.orange smoke signal
Generally，you can best keep a vessel under steering con...
单项选择题Generally，you can best keep a vessel under steering control when the vessel has（）.
A.headway B.sternway C.no way on，with engines stopped D.no way on，with engines full ahead
Generally speaking，the most favorable bottom for anchor...
单项选择题Generally speaking，the most favorable bottom for anchoring is（）.
A.very soft mud B.rocky C.a mixture of mud and clay D.loose sand
