A.水手长管水手 B.你属于哪一级 C.我属于支持级 D.我属于水手级
A. “Slow ahead” B. “Dead slow ahead” C. “Astern” D. “Dead slow astern”
A. responsible B. take charge of C. in charge of D. control
A. Port fifteen B. Fifteen C. Course 120 degrees D. Good rudder
A. Full ahead! B. Slow ahead! C. Half ahead! D. Ahead three.