单项选择题
A.smoke B.smoked C.smoking D.to smoke
If there is a fire on board, inform the bridge and give...
单项选择题If there is a fire on board, inform the bridge and give the （）at once.
A.sound B.sounding C.alarm D.signal
Cast sea anchor to （）the speed of drifting raft.A.contr...
单项选择题Cast sea anchor to （）the speed of drifting raft.
A.control B.controlling C.controlled D.controls
（）the raft.A.RightB.Re-rightC.TorightD.Beright
单项选择题（）the raft.
A.Right B.Re-right C.Toright D.Beright
