問題詳情
【題組】56. The four scientists discovered that the level of the element contained in the lava could tell ______.
(A) the degree of a volcano explosion
(B) the place of a possible explosion
(C) the number of volcano explosions
(D) the time of a possible explosion
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)