A. How many revolutions?
B. How many rings?
C. How much revolutions?
D. What revolution?

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

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

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

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

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.

A. Steady as she goes!
B. Keep straight!
C. Keep right!
D. Keep left!

A. Low speed control .
B. Inching control .
C. High speed control.
D. Slow speed control.

A. Full ahead!
B. Slow ahead!
C. Dead ahead!
D. Ahead three.

A. Full astern！
B. Double full astern！
C. Emergency full astern！
D. Emergency three astern！

A. There are nine people in the deck department.
B. The department has nine people
C. There are nine people in the deck de
D. The deck has nine people.