地震前的迹象PPT演讲.ppt

1 The signs before an earthquake There is many animals can forecast the earthquake clearly than people , so how will they do before the earthquake? Discussing What will you do if you meet the earthquake ? How do you think of the earthquake ? What else do you know about earthquake ? What do you think will happen before an earthquake ? Do you know ? 震前动物有预兆，群测群防很重要。 牛羊骡马不进厩，猪不吃食狗乱咬。 鸭不下水岸上闹，鸡飞上树高声叫。 冰天雪地蛇出洞，大鼠叼着小鼠跑。 兔子竖耳蹦又撞，鱼跃水面惶惶跳。 蜜蜂群迁闹轰轰，鸽子惊飞不回巢。 家家户户都观察，发现异常快报告。 Do you know this ? 地震仪是汉代科学家张衡的又一传世杰作，当某个地方发生地震时，樽体随之运动，触动机关，使发生地震方向的龙头张开嘴，吐出铜球，落到铜蟾蜍嘴里，发出很大的声响，所以人们就知道是哪里发生地震了。 * What can we learn from the earthquake? We don’t like earthquake ,because it cause too much tragic(悲剧)and tears. If we don’t want earthquake ,we should protect our earth ,plant more trees and don’t over-exploitation(过度开采) oil . *