natural disaster自然灾害（课堂PPT）

1、12Fire, Fire, Water .Water . and Snow and Snow3Sea WallSea WallTroubled Troubled WaterWater4In a JamIn a JamLower ManhattanLower Manhattan Laid Low Laid Low5Calm After the Calm After the StormStormBeach, Before Beach, Before LandfallLandfall67A tsunami is a series of water waves. A tsunami is a seri

2、es of water waves. It is caused by the displacement of a large It is caused by the displacement of a large volume of a body of water, such as an ocean.volume of a body of water, such as an ocean. This is a picture about the tsunami in Japan. As we knew, a tsunami happened in Japan because of the ear

3、thquake. As a result, it caused a series of problems. It was in Japan that a large number of people lost their life. And many buildings were destroyed. It was the natural disaster that people could not hold back. 8An unusual phenomenon(现象现象) about the tsunami in Japan!910 原来，地球内部充满了热的岩浆。在巨大的压力下，滚烫的岩

4、浆会冲破地壳，喷出，造成火山。11Harm12Salt and minerals after the eruption of a volcanoAsh as fertilizer Mount Fuji in Japan13The only way: Go while the going is good! ( (三十六计，走为上策三十六计，走为上策 ) )1415How does a typhoon happen? How does a typhoon happen? 16 A typhoon has two parts, one is called the A typhoon has two

5、parts, one is called the eye. In the eye, the wind does not move so eye. In the eye, the wind does not move so fast. The other part fast. The other part i is the wall of clouds s the wall of clouds around the eye. This is where the strongest around the eye. This is where the strongest wind and harde

6、st rains are.wind and hardest rains are. Typhoons are very dangerous. In 2004, Typhoons are very dangerous. In 2004, Typhoon Yunna killed 164 people in Zhejiang, Typhoon Yunna killed 164 people in Zhejiang, and 24 people were missing. In May 2006, and 24 people were missing. In May 2006, Typhoon Pea

7、rl hit Guangdong and Fujian, and Typhoon Pearl hit Guangdong and Fujian, and thousands of houses were damaged.thousands of houses were damaged.17 What to do when a typhoon hits: Stay inside, close all the windows and stay away from them. Try to bring all of your things inside. Strong winds could eve

8、n blow away your bikes! Listen to the radio or TV for important information. If youre told to go to a safer place, do so right away. 18 An earthquake is a shaking of the ground caused by the sudden breaking and shifting of large sections of earths rocky outer shell. Earthquakes are among the most po

9、werful events on earth, and their results can be terrifying. Earthquakes can trigger landslides that cause great damage and loss of life. Large earthquakes beneath the ocean can create a series of huge, destructive waves called tsunamis (pronounced tsoo NAH meez) that flood coasts for many miles. 地震

10、是震动地面由突然打破和转移地球的岩石外壳的大部分造成。地震是在最强有力的事件之中在地球上, 并且他们的结果可能是恐怖的。地震可能触发导致巨大损伤和丧生的山崩。大地震在海洋之下可能创造一系列的巨大, 破坏性的波浪叫做海啸 那种波浪沿海许多英里。191) The weather will become worse than usual. There will be strong wind, heavy rain and bright light in the sky and so on.2) Animals will become nervous. e.g. mice will run about

11、; fish jump out of ponds; cows, pigs, horses and dogs will be upset.3) Water in rivers and wells will rises and falls. 4) We will see cracks in the wells and the smelly gas will come out of the cracks. 20 It is important for us to know how to prevent ourselves from being hurtin the earthquake. The m

12、ost effective way is to depend on ourselves. We canget everything ready before it happens. We must keepenough food and drinking water with us. When ithappens, keep calm and dont runabout. Follow the correct orders. Only in this way, can we get the most chance to survive in the earthquake. 对于我们来说知道如何

13、在地震中免遭伤害是很重要的。最有效的方法是靠自己。我们可以在地震前把一切准备好。我们必须随身保持足够的食物和饮用水。当地震发生时 要保持镇静,不要乱跑。遵循正确的命令。只有用这种方法,我们才能得到最大的生存机会。21 A drought is an extended period of months or years when a region notes a deficiency（不足）in its water supply. Generally, this occurs when a region receives consistently below average precipitat

14、ion（降水）. 22Meteorological droughtMeteorological drought 气象干旱Agricultural droughtAgricultural drought 农业干旱Hydrological droughtHydrological drought 水文干旱23 So far, the impact of the drought to the natural reserve is not large, but its potential impact is threatening future generations of wild animals and plants. 到目前为止，干旱对自然保护区的影响并不大，但其潜在的影响正威胁着未来一代野生动植物的发