根据SOLAS公约的规定，船舶配备AIS应满足()。①自动向配有相应设备的岸台、其他船舶和飞机提供船舶识别码、船型、船位等信息；②自动从其他装有类似设备的船舶接受这种信息；③监视和跟踪其他船舶；④与岸基设施交换数据
（ ）领导全国武装力量。
下列哪项不属于船员的保安职责？
由于保安事件危险性升高而应在一段时间内保持适当的附加防范性保安措施的等级称为保安等级()。
As the number of participants has increased from 60 to 98, we wonder if we can useLecture Hall 'A' as ' B' will be too small.
What do Shona's initial results show about medical services in Britain?
----- A heavy snow hit most of the parts of China in January,2008.
----- ____________ terrible news!
以下哪种情况不能视作为船舶的保安薄弱环节？
关于船舶保安计划的说法下列正确的是()。
----- Tina had nothing for breakfast, ____________ she?
----- _____________. She had some bread and milk.