摘要： 你最好立刻让老师了解此事. about this matter immediately. Sudden shaking of the ground makes an earthquake. It is caused by a sudden rock movement underground. Earthquakes usually happen in long narrow belts, where different large plates of rock meet. In spite of much research and wonderful equipment, it is impossible to predictan earthquake accurately , although experts can estimate roughly an earthquake coming in a particular region. So everyone needs to learn a bit about how to keep himself safe in an earthquake. As you may know, the greatest danger of an earthquake comes from falling buildings and structures and flying glass, stones and other objects. Please read on for some tips about how to stay safe in an earthquake: ● If you are indoors, find a secure location to wait out the quake, such as under a heavy table or desk. Doorways are among the safest places to stand because you can brace yourself between two walls. However, watch out for swinging doors. Stay away from windows. ● If you are outdoors, try to get into an open area, away from falling buildings, power lines, trees, etc. ● If you are in a crowded public area, crouch down, with your hands protecting your head and neck. ● If you are in your car, pull over to the side, away from power lines and overpasses, and stay inside the car until the shaking has subsided. 226 w

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