單項(xiàng)選擇題

Information for updating nautical charts is primarily found in the（）.

A.Notice to Mariners
B.Coast Pilots
C.nautical chart catalogs
D.Sailing Directions

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單項(xiàng)選擇題

In revised editions of Admiralty charts the（）are corrected first．

A.smaller scales
B.larger scales
C.smaller scales and larger scales
D.moderate scales

單項(xiàng)選擇題

Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．

A.Mercator charts／Loran charts
B.Admiralty charts／Routeing charts
C.large scale charts／small scale charts
D.small scale charts／large scale charts