针编弧

A. 氧气
B. 氩气
C. 氦气
D. 氮气

A. 正确
B. 错误

A. ring buoys are thrown overboard
B. engines are stopped
C. fire pumps are started
D. life preservers have been issued to everyone

A. 进行训诫
B. 给予处罚
C. 积极说服、教育，促使其配合
D. 从重处罚