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單項(xiàng)選擇題

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

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單項(xiàng)選擇題

Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.

A.Prohibit to anchor
B.Prohibited to anchor
C.Prohibited from anchor
D.Prohibited from anchoring

單項(xiàng)選擇題

The range of a light on Admiralty Charts is normally the（）.

A.nominal range
B.luminous range
C.geographical range
D.visible range