单选题Daymarks marking the starboard side of the channel when going towards the sea are（）.Agreen squaresBgreen trianglesCred squaresDred triangles
单选题
Daymarks marking the starboard side of the channel when going towards the sea are（）.
A
green squares
B
green triangles
C
red squares
D
red triangles
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相关考题：
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单选题Daymarks marking the starboard side of the channel when going towards the sea are（）.Agreen squaresBgreen trianglesCred squaresDred triangles