单项选择题
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
A.adherence to B.adoption to C.relaying on D.usage of
单项选择题 The rescue coordination center may（）on stations which interfere with traffic.
单项选择题 Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
单项选择题 Before GMDSS, if the radio officer on board is serious ill,（）.
