单项选择题
Immediately after abandoning a vessel, lookouts should be posted aboard liferafts to look for（）
A.survivors in the water
B.food and water
C.land
D.bad weather
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相关考题
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单项选择题
When administering artificial respiration to an adult, the breathing cycle should be repeated about （）
A.12 to 15 times per minute
B.18 to 20 times per minute
C.20 to 25 times per minute
D.as fast as possible -
单项选择题
When administering artificial respiration, it is of the utmost important to （）
A.use the mouth-to-mouth method
B.clear airways
C.use rhythmic pressure method
D.know all approved methods -
单项选择题
Safety is dependent on orderliness and cleanlinessOrder may be maintained by （）
A.storing all items in an assigned place
B.storing all items in a common storage container except those ready-for-sea
C.tagging all items according to their age and then storing them together
D.disposing of worn-out items
