18. 我國海上颱風警報，夜間懸掛信號為何？ (A) 綠色燈一盞 (B) 綠色燈二盞 (C) 綠色燈三盞 (D) 綠白綠共三盞

22. ADMIRALTY Notices to Mariners (NMs) are weekly updates that provide bridge crews with the latest safety-critical navigational information, contain all the corrections, alterations and ______ for the UK Hydrographic Office's worldwide series of ADMIRALTY charts and publications. (A) subtractions (B) decrements (C) cutbacks (D) amendments