In which situation could a vessel most easily capsize?（）

单项选择题In heavy seas you decide to heave to. The lifeboat should be（）.

A.brought to a position with the stern into the seas
B.allowed to take its own head
C.brought to lay in the trough
D.brought bow into the seas

单项选择题In heavy seas the helmsman should steer the motor lifeboat（）.

A.into the seas
B.broadside to the seas
C.in the same direction as the seas
D.in a series of figure-eights

单项选择题In an open lifeboat，the lifeboat compass is usually（）.

A.placed in a fixed bracket when being used
B.clamped to any position convenient for the coxswain to see it
C.permanently mounted on the lifeboat's centerline
D.mounted in the center of the boat to eliminate deviation

单项选择题If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.

A.keep the bow directly in toward the beach，and tow the sea anchor off the stern
B.ride in on the back of a large breaker
C.keep the bow into the seas with the sea anchor out over the bow，and row to meet the breaking waves
D.head directly into the beach by staying between the crests of the waves

单项选择题If you have to jump in the water when abandoning a vessel，your legs should be（）.

A.spread apart as far as possible
B.held as tightly against your chest as possible
C.in a kneeling position
D.extended straight down and crossed at the ankles