A.there is burning oil on the water B.there is a rescue craft in the area C.water temperature is below 40°F D.a rigid survival craft is in the area
A.they generate heat B.they emit hydrogen C.of the toxic fumes they emit D.they recharge faster in a well ventilated space
A.lifeline B.painter C.drogue D.marker
A.Frapping line B.Tricing line C.Rottmer release D.Winch remote control wire
A.remain in the immediate vicinity B.head for the nearest land C.head for the closest sea-lanes D.vote on what to do，so all hands will have a part in the decision
A.Water B.Sand C.CO2 D.Dry chemical
A.All engines，motors，fans，etc. should be shut down when fueling B.All windows，doors，hatches，etc. should be closed C.A fire extinguisher should be kept nearby D.Fuel tanks should be topped off with no room for expansion
A.rubbing affected area with ice or snow B.rubbing affected area briskly to restore circulation C.wrapping area tightly in warm cloths D.warming exposed parts rapidly
A.45°upward B.vertically upward C.vertically downward D.all of the above
A.turning the victims's head to the side to keep his airway open B.positioning the victim so the head is lower than the body C.giving the victim water if he is thirsty，but no food D.elevating the head and shoulders slightly with a pillow
