突然、是不可预测的。自然灾害通常是剧烈的，其破坏力极大。持续时间有长有短。灾难包括了很多因素，它们会引起受伤和死亡，巨大的财产损失以及相当程度的混乱。一次灾难事件持续时间越长，受害者受到的威胁就越大，事件的影响也就越大。另一个影响灾难程度的主要特征，是人们是否获得了足够的预警。 Suddenly， is Natural disasters is usually fierce， with great destructive The duration of a long Disaster， including a lot of factors that would cause injuries and deaths， huge property losses and a considerable degree of A disaster and the longer the duration of the incident， the victims are the greater the threat， the greater the impact of the Another impact of the disaster extent of the main features is that people are getting the adequate
a floodDo you know floods ? They are the N1 natural killer When a flood occurred ， hourses were washed away ， roads and villages were destoryed ， crops were damaged and people were killed It also caused huge economic damage After a flood ， many people donated money ， food ， clothes and so on through the Red Cross to send to the flooded areas Floods are very the stuctive and horrible So we need plant more trees to provent floods
Natural Disasters-自然灾害In the past hundred years， there have heen frequent natural disasters， such as floods， droughts， mud-rock flows， seismic sea waves， earthquakes， windstorms and the stretching of new The disasters have killed millions upon millions of people， destroyed countless homes， and wiped out numerous pieces of fertile Now more and more people become aware that those disasters have much to do with what we have done to the We have cut down too many trees in the forests，we have badly polluted the environment， we have shocked our own home-planet time and again with tremendously powerful explosions of nuclear As a result， climates have become abnormal， rainwater rushes down hillsides angrily， and the underground energy goes up to revenge itself on The earth is our only home- It is urgent for us to stop damaging it， and to do our best to protect it and make it a lovely place suitable to live in， for we have nowhere to go and survive except where we are 自然Disasters-自然灾害在过去的年里，有的频繁的自然灾害，如洪水、干旱、泥石流、地震海浪、地震、各地，狂风拉伸新沙漠。在灾害数千万人死亡，摧毁了无数的房屋，摧毁了许多块肥沃的土地。现在越来越多的人意识到这些灾害有多与我们所做的一切都在地上。我们砍伐太多的树木在森林里，我们已经严重污染环境，我们有我们自己的home-planet震惊了一次又一次的爆炸和巨大的核弹。作为一个结果，气候已经变得异常，雨水山坡上冲下来，气愤地和地下能量上升至复仇本身在我们身上。
