单项选择题
Weekly NMs are available without subscription from appointed（）.
A.Admiralty Distributors B.Admiralty Publication House C.United Kingdom Hydrographic Office D.UK Maritime & Coastguard Agency
单项选择题 Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
单项选择题 The range of a light on Admiralty Charts is normally the（）.
单项选择题 The height of a tide can be increased by（）.
