相关试题
单选题 The title of this passage should be( )
单选题 Ocean charts are( )ones.
单选题 If the corrections are stuck in the parent book or current supplement, ( )
单选题 It is recommended that corrections to the Sailing Directions should be( ).
单选题 The light-star and magenta flare are shown on( )
单选题 The parent book is ( ).
单选题 What cannot be found in the large scale charts?
单选题 ( )are reprinted in the Annual Summary of Notices to Mariners.