【简答题】阅读理解。 Earthquakes are the shaking, rolling or sudden shock of the earth's suce. Earthquakes happen along 'fault lines' in the earth's crust. Earthquakes can be felt over large areas although they u...
【简答题】What Causes Earthquakes? People have tried to explain the cause of earthquakes since earliest times. Some people thought that quakes were sent from heaven to punish the wicked. Others believed that th...