The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.
- Ahorizontal motion of a white flag
- Bletter K in Morse code given by light
- Ccode flag S as a hoist
- Dfiring of a white star signal
问题
The signal to guide vessels in distres
参考解析：
分类：遇险通信题库
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