what should we do when an earthquake hit in class.ppt

1、what should we do when an earthquake hit in class,曹桂英 常晶晶 刘月 曾覃 曹林林 卢少荣 贺长阳集，曹桂英编,Do you still remember the wenchuan earthquake,According to the ministry of the report, the wenchuan earthquake has confirmed that 69227 people were killed, 374643 wounded, and 17923 missing.,据民政部报告，四川汶川地震已确认69227人遇难，37

2、4643人受伤，失踪17923人。,The damage of the earthquake is massive , but what is earthquake,The earthquake is the rapid release of energy In the interior of the earth cause the vibration ,It can produce the seismic wave is a natural phenomenon. 地震是地球内部快速释放能量过程中造成振动，期间会产生地震波的一种自然现象。,something about earthquake

3、,During the time of the earthquake, the basic phenomenon is the ground for vibration, mainly is the obvious shaking 地震发生时,最基本的是地面振动现象,主要是明显的晃动,Shaking may cause landslides(山崩), crack（地裂） landslide（滑坡）, rivers jams, houses collapsed, road, bridge, rails distortion of bran broke and gully dam, undergr

4、ound pipeline destroyed（地下管道毁坏）, etc,The earthquake is always approach without casting a shadow and leave without leaving a trace, but the casualties, with the increasing awareness of the escape ,will decrease, everyone should know the shock absorber for knowledge, they might encounter. 地震总是来无影去无踪，而

5、伤亡，随着逃生意识的提高会有所降低，每个人都应该了解必备的避震知识，以有备无患。,Now, lets talk about what should we do when an earthquake hit in class,five points,1.when in the bottom of the builing,we should leave the classroom in good order.,2.if you are at the top of the builing, you must choose a fine place and protect yourselves.,under the table a book to protfct our head,3.waiting for a good time and leave quckily,after the shake decrease keep calm,5.No elevator.,Through the stairs