阿摩線上測驗
34. Why does the author mention the epicenter of an earthquake in the passage?
(A) To explain why some earthquakes are more destructive.
(B) To describe how scientists first discovered seismic waves.
(C) To give an example of how seismic waves benefit scientists.
(D) To suggest that the speed of seismic waves is unpredictable.
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統計： A(4), B(7), C(24), D(2), E(0) #3230450
統計： A(4), B(7), C(24), D(2), E(0) #3230450
