无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

Man overboard! （）.

A. Release a lifebuoy
B. Start the pump
C. Get a fire extinguisher
D. Call the captain

你可能感興趣的試題

單項選擇題

In case of fire, （）.

A. inform the bridge and give the alarm at once
B. cut off the circuits and turn off ventilating blowers first
C. call the captain first
D. report to the duty officer

單項選擇題

For the duties assigned in the muster list, （）.

A. one person should do one job
B. one job should be done by all crew
C. one person should do all jobs
D. one job may be done by more than one person