单项选择题
A.watch B.chronometer C.time D.clock
The bosun is good at（）(打绳结).A. knotting lineB. making k...
单项选择题The bosun is good at（）(打绳结).
A. knotting line B. making knots C. knots D .making line
The third officer is （） (负责)the fire-fighting equipm...
单项选择题The third officer is （） (负责)the fire-fighting equipment.
A. responsible B. take charge of C. in charge of D. control
（）(舵角多少)？ ----Twenty degrees on port.A. How answer...
单项选择题（）(舵角多少)？ ----Twenty degrees on port.
A. How answers B. What rudder C. How rudder D.B+C
