问题
单项选择题
If you log a distress message，it must include the（）.
A.sea state
B.names of witnesses
C.time of its occurrence
D.wind direction and velocity
答案
参考答案：C
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If you log a distress message，it must include the（）.
A.sea state
B.names of witnesses
C.time of its occurrence
D.wind direction and velocity
参考答案：C