問題詳情

【題組】53.Dioxin is produced _______ .
(A) when plastics are burned
(B) in the making of hospital blood bags
(C) when reusables are disposed of
(D) in the handling of all kinds of medical waste

參考答案

答案：A
難度：適中0.666667
統計：A(2),B(1),C(0),D(0),E(0)