(1.5 分)
When received Weekly Edition of Admiralty Notices to Mariners, the first step to do is ?
A.check whether all necessary NM has received B.check whether the serial number is correct C.Log the numbers in concern book D.Add to file or list正确答案A
(1.5 分)
When received Weekly Edition of Admiralty Notices to Mariners, the first step to do is ?
A.check whether all necessary NM has received B.check whether the serial number is correct C.Log the numbers in concern book D.Add to file or list正确答案A