题目内容
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提问人：网友lixin080108
发布时间：2022-01-07
[主观题]
Your chart indicates that there is an isolated rock and the rock is named in vertical letters. This indicates the ______.
A．rock is visible at low water springs only
B．rock is a hazard to deep draft vessels only
C．rock is dry at high water
D．exact position of the rock is doubtful
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