23.試問「痛痛病」通常是指飲用水被何種物質污染所致?
(A)鉻
(B)銅
(C)鐵
(D)鎘
(E)鉛
答案:登入後查看
統計: A(2), B(0), C(0), D(18), E(1) #2747933
統計: A(2), B(0), C(0), D(18), E(1) #2747933