问题
单项选择题
In admiralty sailing directions, stripes is the word used to indicate（）marking.
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
答案
参考答案：D
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In admiralty sailing directions, stripes is the word used to indicate（）marking.
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
参考答案：D