All lifeboats，rescue boats，and rigid-type liferafts shall be stripped，cleaned，and thoroughly overhauled at least once every（）.
- A6 months
- Byear
- C18 months
- Dtwo year
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1、The engine has broken and the boat is（
The engine has broken and the boat is（）on the water.AflowingBfloatingCdriftingDsailing
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Rescue and Recovery的功能包括（）A备份B复原C高级D急救
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3、Rescue and Recovery高级选项包括哪几项（）
Rescue and Recovery高级选项包括哪几项（）A从硬盘驱动器复制备份B删除备份文件C排除文件D指定进行单一存储的文件
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4、即使主系统已经崩溃，Rescue and Recovery仍然能够支持系统启
即使主系统已经崩溃，Rescue and Recovery仍然能够支持系统启动。A正确B错误
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5、All engines in lifeboats and rescue bo
All engines in lifeboats and rescue boats shall be run for a total period of not less than（）in weekly inspections.A2 minutesB3 minutesC4 minutesD5 Minute
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Please（）search and rescue.Amake command ofBtake command ofCget command ofDhave command of