When anchoring in unsheltered anchorage, chief engineer should consult with captain ____.
A. if the ship must be stand by
B. if take bunkering
C. if keep-watching as in voyage
D. if the ship must anchor two anchors
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人身检查的定义是采用()的仪器和手工相结合的方式，对旅客人身进行安全检查。
A. 规定
B. 严密
C. 公开
D. 先进
金属探测门应调节至适当的()，但不能低于安全设置要求。
A. 灵敏度
B. 频率
C. 音量
D. 位置
what are usually contained in a repair list ？
延误要多久？
A. Whis is the extent of the delay？
B. What is the extent of the departure？
C. What is the extent of the delay？
D. Whis is the extent of the delparture？
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