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关于自然灾害的英语演讲PPT.ppt

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1、Hurricane,First ,we will see some news photos! Hurricane Sandy Pictures: Floods, Fire, Snow in the Aftermath,Calm After the Storm,Beach, Before Landfall,Fire, Water ., and Snow,Cleanup Underway,Ground Zero, Again,In a Jam,Lower ManhattanLaid Low,Open House,SantiagoDestroyed,Sea Wall,Troubled Water,W

2、hy would become like this?,Because the power of nature,Hurricane causing numerous deaths and forcing hundreds of thousands of people from their homes. So whats a hurricane? Whats the difference between a hurricane and a mere storm? A hurricane is a severe tropical storm that forms in the North Atlan

3、tic Ocean, the Northeast Pacific Ocean east of the dateline, or the South Pacific Ocean east of 160E. Hurricanes need warm tropical oceans, moisture and light winds above them. If the right conditions last long enough, a hurricane can produce violent winds, unbelievable waves, heavy rains and floods

4、. Hurricanes rotate in a counterclockwise direction around an “eye”. A tropical storm becomes a hurricane when winds reach 74 miles per hour. The Atlantic hurricane season begins June 1 and ends November 30. The East Pacific hurricane season runs from May 15 through November 30, with peak activity o

5、ccurring during July through September. When hurricanes move onto land, the heavy rain, strong winds and heavy waves can damage buildings, trees and cars.,In the face of nature. Mankind is very weak. In order to reduce the occurrence of natural disasters and the environment further deterioration! We need to protect our environment! Thank you!,

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