A. Bow thrustB. Bow thrusterC. Stern thrustD. Stern thr……

单项选择题（）（首推）stop.

A. Bow thrust
B. Bow thruster
C. Stern thrust
D. Stern thruster

单项选择题Ease to five! （）(右舵5)!

A. Port five
B. Starboard five
C. Starboard ten
D. Right five

单项选择题（）（走）course 025°.

A. Steer
B. Keep to
C. Take to
D. Go to

单项选择题It is very important to（）（操舵）well.

A.operate
B.steer
C.repair
D.adjust

单项选择题----（）（把定）! ----Yes ,sir!

A. Midship
B. Steady
C. Head on
D. Hard-a-port