1. [单选题]救生筏(life raft)应能经受在一切情况下暴露漂浮达：
A. 30天
B. 20天
C. 10天
D. 7天
2. [单选题]GMDSS应用的通信技术与业务是_____。
A. 静止卫星通信、地面通信和定位寻位技术与业务
B. VHF-DSC MF/HF-DSC和NBDP
C. EGC NAVTEX和气象传真技术与业务
D. Inmarsat-B C和F技术与业务
3. [单选题]Xiao Li has ________ shackles
A. much
B. many
C. any
D. not a
4. [单选题]如果公司通知船长船舶将要前往的港口最近发生过保安事件，船长必须采取什么行动______。
A. 通报该港口的缔约国(treaty powers)政府
B. 到港后填写保安声明
C. 采取保安等级3时的保安措施
D. 申请岸上保安组织
5. [单选题]食物中毒剧烈呕吐及多次水样腹泻导致______。
A. 严重失水
B. 低血压
C. 虚脱
D. 以上都可以
6. [单选题]活塞顶面裂纹的原因是______。Ⅰ.冷却不良；Ⅱ.过热；Ⅲ.过冷；Ⅳ.顶面积炭严重；Ⅴ.冷却侧结垢严重。
A. Ⅰ＋Ⅱ＋Ⅳ
B. Ⅰ＋Ⅱ＋Ⅳ＋Ⅴ
C. Ⅰ＋Ⅲ＋Ⅴ
D. Ⅰ＋Ⅱ＋Ⅴ
7. [单选题]When the machinery spaces are in the periodic unmanned condition, ____ shall be immediately available and on call to attend the machinery space
A. the chief engineer
B. the designated engineer from shipyard
C. the designated duty officer in charge of the engineering watch
D. the designated surveyor from classification society
8. [单选题]泵铭牌上标注的流量通常是( )
A. 单位时间内排送液体的重量
B. 单位时间内排送液体的质量
C. 单位时间内排送液体的体积
D. 泵轴每转排送液体的体积
9. [单选题]If the head pressure of a reciprocating refrigeration compressor is excessive
A. the relief valve should open before the high pressure cutout
B. the relief valve should open and allow the excess refrigerant to flow to the receiver
C. the high pressure cutout switch should operate before the relief valve opens
D. you should close the discharging valve
10. [单选题]腐蚀过程指货物除了对金属等材料的破坏外，还能对()与其接触处造成明显的破坏或改变的物品。
A. 人体皮肤组织
B. 电子电气设备
C. 绝缘材料
