What should be made known in the lists of coast and ship stations?
A. the services of the stations open to public correspondence
B. the information on charging
C. what kind of the public correspondence
D. A and B
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However, reception of certain types of MSI messages, such as shore to ship distress alerts and navigational and meteorological warnings are_________.
A. selective and can be suppressed by ships.
B. mandatory and cannot be suppressed by ships in the affected area
C. not very important so that ships don`t require them
D. received by all ships wherever they are
COSPAS-SARSAT provides distress alerts and location information to appropriate rescue authorities ______for __________in distress.
A. over all major ocean regions / all ships
B. in the polar regions /some ships.
C. below the North pole and above the South pole /ocean-going ships
D. anywhere in the world / maritime, aviation and land system users
茶原产于我国（ ）地区
A. 东南
B. 西南
C. 东北
D. 西北
唐代饮茶的主要方法是( )。
A. 烹茶
B. 点茶
C. 泡茶
D. 冷饮
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