問題詳情

20. Brief, violent showers frequently accompanied by thunder and lighting is usually associated with .
(A) passage of warm front
(B) passage of a cold front
(C) occluded front
(D) stationary front

參考答案

答案：B
難度：簡單0.717949
統計：A(5),B(56),C(9),D(2),E(0)