A.become due B.become valid C.become lawful D.become effective
A.This Sentence refers to the validity of the Certificate B.This Sentence refers to the time of the Certificate C.This Sentence refers to the date of the Certificate D.This Sentence refers to the issue of the Certificate
A.filed in the ship’s office B.posted in a passenger area C.posted adjacent to the Certificate of Inspection D.posted in the pilothouse
A.validity in B.valid for C.effective at D.effectiveness for
A.neither，nor B.not only，but also C.not，but D.not only， and but
