35.每一位船員每月至少應參加幾次滅火演習?
(A)1
(B)2
(C)3
(D)4
答案:登入後查看
統計: A(38), B(5), C(1), D(0), E(0) #1199016
統計: A(38), B(5), C(1), D(0), E(0) #1199016