A.lifelines B.righting strap C.sea anchor D.towing bridle
A.the altitude above sea level B.the season of the year C.the latitude or distance from the equator D.All of the above
A.Sailing Charts of the Caribbean Sea B.Pilot Charts of the North Atlantic C.Light Lists，Atlantic and Gulf Coast D.Tidal Current Tables
A.air bottle for breathing B.orange smoke canister C.whistle，light and retroreflective material D.sea dye marker
A.lower than actually exists B.higher than actually exists C.that actually exists D.that has no proportional relationship
A.go in one direction until the fuel runs out B.steer a course for the nearest land C.steer a course for the nearest sea lane D.shut down the engines if installed and put out the sea anchor
A.mean sea level B.mean high water C.mean low water D.half-tide level
A.air bottle for breathing B.whistle and hand held flare C.whistle，strobe light and reflective tape D.whistle，hand held flare and sea dye marker
A.canopy B.manropes C.sea painter D.righting lines
A.colder sea surface B.warmer sea surface C.dry coastal plains D.high mountain or plateau
