单项选择题
The single letter G，sent by an icebreaker to an assisted vessel，means （）.
A.I require a pilot B.Longitude follows C.I am going ahead; follow me D.Do not follow me
单项选择题 The radiotelephone required by the Vessel Bridge-to-Bridge Radiotelephone Act is for the exclusive use of （）.
单项选择题 The pilot station （） close west of the end of the breakwater．
单项选择题 The pilot said he （）our vessel directly to the berth．
