單項(xiàng)選擇題When is the most critical time of bunkering in regards to oil pollution?（）

A.lining up the systems
B.topping off 
C.starting delivery
D.connecting hoses and joints


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1.單項(xiàng)選擇題As a watch officer when bunkering, which of the following does require his individual attention?（）

A.draft of the vessel
B.rate of delivery
C.communication with terminal personnel
D.observation of manifold valves

2.單項(xiàng)選擇題Drinking salt water will （）

A.be safe if mixed with fresh water
B.prevent seasickness
C.promote urine excretion
D.protect against heat cramps

3.單項(xiàng)選擇題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

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題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