单项选择题
DO NOT，REPEAT，NOT OVER-TAKE means that you should（）.
A.overtake B.not overtake C.overtake or not D.decide if you should overtake
单项选择题 By regulation，you MUST keep a record of the use of your radiotelephone for at least（）.
单项选择题 Automatic identification systems (AIS) are required to（）.
单项选择题 Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT（）.
