阿摩線上測驗
46 What is the purpose of this passage?
(A) To explain the increasing rate of volcanic activities.
(B) To explain some facts about volcanoes.
(C) To describe the causes of volcanic eruptions.
(D) To analyze the threats of volcanic eruptions.
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統計： A(19), B(134), C(25), D(18), E(0) #1651408
統計： A(19), B(134), C(25), D(18), E(0) #1651408
