問題詳情

【題組】42 According to the passage, which of the following was most probably the pretended subject of the alchemists’studies in the Middle Ages?
(A)Air
(B)Dust
(C)Silver
(D)Water

參考答案

答案：C
難度：適中0.506329
統計：A(20),B(36),C(80),D(10),E(0)