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航海英语航海图书资料单项选择题每日一练(2018.11.19)
来源:考试资料网
1
A man aboard a vessel,signaling by raising and lowering his outstretched arms to each side,is indicating().
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2
The distance between the surface of the water and the tidal datum is the ().
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3
You will find information about the duration of slack water in the ().
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4
()objects are those which stand out clearly from the background or other objects and are easily identifiable from a few miles offshore in normal visibility.
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5
The Daily Memorandum contains information on().
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