单选题The air cylinder bottles in the survival craft should be refilled with（）.A oxygenB nitrogenC compressed airD nitrogen and oxygen

A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person ______.

A.at a high rate of speed

B.under oars

C.against the wind

D.with the wind

Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation ________．

A.Alert the Coast Guard by using the survival craft's portable INMARSAT unit

B.Program the SART and EPIRB to transmit the vessel's location and situation

C.Place the SART and EPIRB in the“ON”position and secure them to the survival craft

D.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly

The air cylinder bottles in the survival craft should be refilled with ______.

A.oxygen

B.nitrogen

C.compressed air

D.nitrogen and oxygen

During the towing of a survival craft，a lookout should be on station to ______．

A.release the towline in an emergency

B.help the helmsman steer

C.look for food and water

D.check the water level in the bilge

If the survival craft is not loaded to full capacity, the personnel should be ______.

A.loaded more on the port side forward

B.loaded equally on both sides with more forward

C.loaded equally on both sides with more aft

D.allowed to sit anywhere

During an abandonment or drill，the first person to arrive at the survival craft should ______.

A.pass out food and water to personnel

B.open the doors and start the sprinkler system

C.activate the emergency release handle

D.open the doors and prepare the craft for boarding