smaller scales
larger scales
smaller scales and larger scales
moderate scales
第1题：
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
第2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
第3题：
No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines．For more detailed information，the larger scale charts must be______．
A.bought
B.analyzed
C.consulted
D.Published
第4题：
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
第5题：
To ______ Admiralty Charts 438，latitudes taken from this chart should be increased by about 5 seconds．
A.convert to
B.come to
C.look at
D.agree with
第6题：
From 1800 to 1968 Admiralty charts were published with fathoms and feet as the units for depths，and feet as the units for height．Since 1968 Admiralty charts ________ to meters，thus conforming with charts of most other countries．
A.gradually converted
B.have been gradually converted
C.has been gradually converted
D.is gradually converted
第7题：
Navigational charts are ______ frequent changes，the important one of which are promulgated by Admiralty Notices to Mariners．
A.published with
B.combined with
C.in connection with
D.subject to
第8题：
________ are published for correction of Admiralty Charts．
A.Admiralty Sailing Directions
B.Admiralty List of Signals
C.Mariner's Handbook
D.Admiralty Notices to Mariners
第9题：
Admiralty Notices to Mariners，containing important information for the mariners and enabling them to keep their charts and books corrected for the latest information，are issued daily and published in ______.
A.Weekly Editions
B.Quarterly Editions
C.Annual Editions
D.Monthly Editions
第10题：
Charts should be corrected by using information published in the ______.
A.Light List
B.American Practical Navigator
C.Notice to Mariners
D.Coast Pilot