单项选择题
A. “Slow ahead” B. “Dead slow ahead” C. “Astern” D. “Dead slow astern”
Stand （）engine !A.withB.byC.inD.to
单项选择题Stand （）engine !
A.with B.by C.in D.to
“Keep （）to the lighthouse”, said the pilot.A.directlyB....
单项选择题“Keep （）to the lighthouse”, said the pilot.
A.directly B.straight C.straightly D.direct
（）two seven five!A.WorkB.SteerC.HandleD.Operate
单项选择题（）two seven five!
A.Work B.Steer C.Handle D.Operate
