单项选择题
A chart has extensive corrections to be made to it. When these are made and the chart is again printed，the chart issue is a （）.
A.first edition
B.new edition
C.revised edition
D.reprint
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相关考题
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单项选择题
Charts are subject to frequent correction according to （）.
A.Notices to Mariners
B.Mariner's handbook
C.Sailing Directions
D.Guide to Port Entry -
单项选择题
Contour elevations on this chart refer to heights in feet above mean （）.
A.lower low water
B.high water
C.low water
D.sea level -
单项选择题
Navigational charts are subject to frequent changes，the important ones of which are promulgated by （）.
A.Admiralty Notices to Mariners
B.Mariner's Handbook
C.Catalogue
D.Sailing Directions
