問題詳情

【題組】39. What does the term harmful substances refer to in this article?
(A) organic and non-organic food
(B) minerals
(C) vitamins
(D) chemicals, antibiotics, and growth hormonesˉ

參考答案

答案：D
難度：適中0.446809
統計：A(11),B(5),C(10),D(21),E(0)