地震(Earthquakes)

  来源:网络    时间:     
[关键词]英语四级作文  

      earthquakes may take place anywhere on the earth's surface. during all earth quake, the vibrations make the earth's surface tremble, and even crack open. houses fall, people are lilled or injured and sometimes whole cities are destroyed.  can we do something to protect ourselves against earthquakes? can we take precau tionary measures? we can. scientists have made investigation on earthquake..

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