31. What is this passage about?
(A) What earthquakes are and what effects they can cause.
(B) The negative impacts of earthquakes.
(C) How to estimate the coming of an earthquake.
(D) How to prevent earthquakes.
詳解 (共 1 筆)
未解鎖
第一段說明地震的成因乃是因為地表能量的釋...
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