单选题To keep injured survivors warm in the water after abandoning a ship，they should（）.A be placed in the middle of a small circle formed by the other survivors in the waterB float on their backs with their arms extended for maximum exposure to the airC rem

After abandoning a vessel，water that is consumed within the first 24 hours will ______.

A.pass through the body with little absorbed by the system

B.help to prevent fatigue

C.quench thirst for only 2 hours

D.help to prevent seasickness

What represents poor sanitary procedures ________．

A.Keep and use a separate filling hose for potable（drinking）water

B.Locate potable（drinking）water tanks as low as possible in the bilge

C.Eliminate enclosed spaces in which trash，food particles，dirt may gather

D.After washing dishes with soap and warm water，sterilize them in water of at least 170℉（76.7℃）

The best treatment for preventing traumatic shock after an accident is to ______.

A.have the victim exercise to increase circulation

B.keep the victim from electrical equipment

C.keep the victim warm and dry while lying down

D.apply ice packs and avoid excitement

In the first 24 hours after abandoning a vessel, water should be given only to personnel who are ______.

A.sick or injured

B.wet

C.Awake

D.thirsty

After abandoning ship, you should deploy the sea anchor from a life raft to ______.

A.keep the life raft from capsizing

B.navigate against the current

C.keep personnel from getting seasick

D.stay in the general location

When should the emergency position-indicating radio beacon be activated after abandoning an OSV ________．

A.Immediately

B.After one hour

C.Only when another vessel is in sight

D.Only after sunset

______water is the water to keep the ship’s stability．

A.Bilge

B.Ballast

C.Slop

D.Sanitary

Persons who have swallowed a non-petroleum based poison are given large quantities of warm soapy water or warm salt water to ______.

A.induce vomiting

B.absorb the poison from the blood

C.neutralize the poison in the blood

D.increase the digestive process and eliminate the poison

If you wear extra clothing when entering the water after abandoning ship it will ______.

A.weigh you down

B.preserve body heat

C.reduce your body heat

D.make it more difficult to bteathe