单项选择题
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
A.Isothermal B.Millibars C.Isobars D.Seismics
单项选择题 Light Lists for coastal waters are（）.
单项选择题 Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
单项选择题 For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
