单选题You see an iceberg that has not been reported. What kind of radio message do you transmit to warn others?（）.ASafety messageBUrgency messageCDistress messageDRoutine message
单选题
You see an iceberg that has not been reported. What kind of radio message do you transmit to warn others?（）.
A
Safety message
B
Urgency message
C
Distress message
D
Routine message
参考解析
解析：
暂无解析
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