As per STCW, any crew having consumed alcohol within _________shall not serve as a member of a watch.(1.0)
A.one hour B.four hours C.two hours D.three hours正确答案B
As per STCW, any crew having consumed alcohol within _________shall not serve as a member of a watch.(1.0)
A.one hour B.four hours C.two hours D.three hours正确答案B
