单项选择题
A.approach while coming to the left to take advantage of the current
B.drop an anchor outside the surf line，then pay out anchor line over the bow while the seas carry the boat toward the beach
C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D.rig a drogue with tripping line over the bow，back ashore with drogue tripped between breakers
单项选择题 When backing a motor propelled lifeboat (right-hand propeller) with the rudder amidships，the stern will back（）.
单项选择题 When abandoning ship，after launching the motor lifeboat you should（）.
单项选择题 When abandoning ship and jumping into the water from a substantial height without a life jacket，you should（）.