An orange flag showing a black circle and square is a（）. -题库考试答案搜索网

An orange flag showing a black circle and square is a（）.

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2022-02-24 18:43

A、signal indicating a course change
B、distress signal
C、signal of asking to communicate with another vessel
D、signal indicating danger

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正确答案

B

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标签：遇险用语

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