Ví dụ về thảm hoạ động đất (tham khảo nhé bạn):
Earthquake is a sudden shaking of the surface of the Earth. It often lasts from a few seconds up to 3 minutes. Earthquake causes extensive damage to human and properties. It makes houses and buildings collapse. It also cause fire when it destroys power lines. Earthquake at the bottom of the sea can cause landslide and tsunamis. Sometimes earthquake results in volcano eruption, even some of them stopped a long time ago. If people don't prepare for this natural disaster, they can be seriously injured. Earthquake is dangerous and often happens suddenly, while we can't do anything to prevent it. Therefore, the only way to deal with it is to reduce its damages as much as possible. We need to be active in preventing natural disasters and have essential skills to deal with earthquake when it occurs.