()是国际航空运输协会的最高权力机构,每年举行一次,经执委会召集,也可随时召开特别会议。
A.执行委员会
B.专门委员会
C.全体会议
D.理事会
参考答案:C
下述哪些需行急诊手术()
A.易复性疝
B.难复性疝
C.嵌顿疝
D.绞窄性疝
E.滑动性疝
The signal for a fire emergency on an OSV is().
A.a 30 second on 30 second off alternating signal
B.the continuous blast of the ships whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds
C.an intermittent ringing of the general alarm for not less than ten seconds
D.announced over the PA system