1. Earthquake-related fatalities are usually caused by buildings,collapse and other ensuing natural disasters, not by the shaking ground itself.
2. Besides movements of the earths plates, other forces such as volcanic eruptions, meteor impacts and so on, can also cause earthquakes.
3. Earthquakes actually occur every day; most of them are not big enough to get our attention.
4. People generally think the ground beneath their feet is completely stable, but earthquakes shatter that idea in no time.
5. We cannot prevent earthquakes but we can actively find better ways to face them.
6. Earthquakes are hardly predictable, and people cannot be told when an earthquake is going to occur.
7. Scientists have found out forces that cause earthquakes through years of efforts.
8. Architects now have designed flexible buildings to minimize the damages of earthquakes.
9. Scientists use the theory of plate tectonics to explain the apparent movement of continents over time.
10. The convergent plate boundaries refer to the lines where plates push toward each other.文章精要
地震危害巨大,了解地震对减少其带来的损失有着重要意义。本文讲解了引 发地震的因素、与地震有关的地壳板块运动和地震的危害,并指出尽管人类还无 法准确预测地震,但一些必要的防御措施能够减少地震带来的损失。
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