题目内容

很多船舶上的全封闭式救生艇均采用设在船尾的____，这样使用更加方便、安全. The fully enclosed lifeboats on ships use a_ at the stern, which makes it more convenient and safe.

A 垂直吊艇架 Vertical davit
B 斜面滑落架 sloping skid
C 重力式吊艇架 Gravity davit
D 垂直滑落架 Vertical skid

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____是供抛投入水让落水者攀扶的个人救生设备。 _is a personal life-saving device for people falling into water to climb.

A 救生艇 Lifeboat
B 救生筏 Life raft
C 救生圈 The lifebuoy
D 救生衣 life jacket

船上的救生圈至少一半应带____.At least half of the lifebuoys on board should have

A 烟雾信号 Smoke signal
B 自亮浮灯 self-illuminating
C 口哨 Whistle
D 绳索 rope

救生衣颜色一般为____？The life jacket color is generally .

A 红色 Red
B 蓝色 Blue
C 橙黄色 Orange
D 紫色 purple

火箭降落伞火焰信号属于救生__?Rocket parachute flame signals is one of .

A 视觉信号 visual signals
B 辅助信号 Auxiliary signal
C 声音信号 Sound signal
D 无线电信号 Radio signal