After you activate your emergency position indicating radiobeacon，you should（）.<br>A:turn it off for five minutes every half-hour<br>B:turn it off and on at five-minute intervals<br>C:turn it off during daylight hours<br>D:leave it on continuously

After you activate your emergency position indicating radiobeacon，you should（）.
A:turn it off for five minutes every half-hour
B:turn it off and on at five-minute intervals
C:turn it off during daylight hours
D:leave it on continuously

出自：海船船员证

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