A. How many revolutions?B. How many rings?C. How much r……

单项选择题航向复原。（）

A. Course again.
B. Course two.
C. Course more.
D. Course line.

单项选择题舵不灵。（）

A. No steering.
B. No steerage.
C. A+B+D 
D. No answer.

单项选择题留心操舵。（）

A. Mind the wheel.
B. Be careful about steering.
C. Mind the helm.
D. A+C

单项选择题右舵有点慢。（）

A. Starboard a bit sluggish.
B. Port a bit sluggish.
C. Port ten.
D. Starboard slow.

单项选择题船长想见引水员。（）

A. The pilot wants to see the captain.
B. The captain wants to see the helmsman.
C. The chief officer wants to see the pilot.
D. The captain wants to see the pilot.