14.A lookout person can leave his station .
(A)at the ending hour of his watch
(B)at any time subject to 15 minutes overlape after the watch hour.
(C)only when properly releaved
(D)subject to 15 minutes overlape.
答案:登入後查看
統計: A(17), B(5), C(37), D(4), E(0) #1196963
統計: A(17), B(5), C(37), D(4), E(0) #1196963