单项选择题
HM Coastguard is primarily（）for the initiation and co-ordination of civil maritime SAR operations in the UK.
A.liable B.responsible C.reasonable D.reliable
单项选择题 Generally，you can best keep a vessel under steering control when the vessel has（）.
单项选择题 Generally speaking，the most favorable bottom for anchoring is（）.
单项选择题 During an annual FCC inspection（）.
