問題詳情

【題組】14. Which of the following does the passage identify as examples of plant waste products?
(A) Potassium and phosphates
(B) Clover
(C) Trace elements
(D) Com stalks and bean vines

參考答案

答案：D
難度：適中0.512821
統計：A(14),B(13),C(11),D(40),E(0)