单项选择题
A.kind B.kinds C.types D.B+C
We are loading dangerous cargo, no （）, please.A.smokeB....
单项选择题We are loading dangerous cargo, no （）, please.
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
