Reprints of Radio Navigational Warnings
Amendments to Admiralty Sailing Directions
Amendments to Admiralty Lists of Lights and Fog Signals
Amendments to Admiralty List of Radio Signals
第1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2题：
Sailing directions are kept up to date by ______.
A.publications
B.notices to mariners
C.supplements
D.Annual Summary of Admiralty Notices to Mariners
第3题：
Sailing directions are kept up to date by ______.
A.publicatons
B.notices to mariners
C.supplements
D.Annual Summary of Adiralty Notices to Mariners
第4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5题：
The Admiralty Notices to Mariners can be obtained ______ by Masters of vessels from any Admiralty Chart Agent．
A.free of charge
B.with no responsibility
C.without limitations of distribution
D.with little charges
第6题：
______ amplify charted detail and contain information needed for safe navigation．
A.Admiralty Sailing Directions
B.Admiralty List of Lights
C.Admiralty List of Signals
D.Admiralty Notices to Mariners
第7题：
The charts sold are of ______.
A.newly edition with up to date correction and in reasonable prices
B.the current edition and incorporate the last Notices to Mariners correction
C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale
D.brand-new one with up to date correction and clean writing
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 are published ______.
A.every day
B.every week
C.every month
D.every year
第10题：
The issue of Notices to Mariners of charts and these aids(Radar beacons)may be delayed until such time as they are assessed to be ______.
A.temporary
B.permanent
C.occasional
D.steady