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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 water
B
float on their backs with their arms extended for maximum exposure to the air
C
remove their life preservers and hold on to the uninjured survivors
D
sip seawater at intervals of fifteen minutes
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thirstyB
sick or injuredC
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单选题You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?（）A
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anyof（1）and（3）D
anyof（1）and（2）
考题
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
remove their life preservers and hold on to the uninjured survivorsD
sip seawater at intervals of fifteen minutes
考题
单选题If there are a number of survivors in the water after abandoning ship，they should（）.A
tie themselves to the unit so they won't drift with the currentB
form a small circular group to create a warmer pocket of water in the center of the circleC
send the strongest swimmer to shore for assistanceD
form a raft by lashing their life preservers together
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rigid liferaftB
life floatC
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单选题When will the float-free emergency position indicating radiobeacon be activated after abandoning ship? （）A
Immediately after floating freeB
After about one hour when the salt water activates the batteryC
Only when keyed by the radar of another vesselD
Only when daylight activates the photovoltaic cell
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