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这是极限运动中英语ppt，包括了The definition of extreme sports，Classification，NOW let's go to see some popular extreme sports等内容，欢迎点击下载。
极限运动中英语ppt是由红软PPT免费下载网推荐的一款英语课件PPT类型的PowerPoint.
The definition of extreme sports
An extreme sport(also called action sport and adventure sport)is a popular term for certain activities perceived as having a high level of inherent danger.
These activities often involve speed，height，hight level of physical exertion，and hightly specialized gear or spectacular stunts.
Classification
In 2004， author Joe Tomlinson classified extreme sports into those that take place in air， land， and water.
Nine air sports are mentioned including: base jumping， （定点或极限跳伞）bungee jumping， ski jumping（跳台滑雪），hang gliding（滑翔式飞行）sky surfing（空中冲浪滑翔）sky flying（空中飞行） etc.
Eighteen land sports including: adventure racing（冒险赛车），ice climbing（攀登冰坡）， freestyle skiing（花样滑雪）， speed biking （变速自行车）etc.
Fifteen water sports including: free-diving（自由潜水）， open water swimming（天然水域游泳），scuba（戴水肺潜水）diving， windsurfing（帆板运动 ）etc.
NOW let's go to see some popular extreme sports
Jumpers stand at about 40 meters above the height of the tower crane， bridge， building， or even a hot air balloon，and the end is fixed by a long rubber strip(橡胶带) tied to the ankle， then outstretch arms， legs close together， head down to jump
Second high bungee jumping point is in Macao tower， 233 meters high
Skateboarding 滑板运动
Skateboarding is not to look cool。Skateboarding is a physical exercise， it's very challenging
Skateboarding day is on June 21st. If you are loyal to skateboarding molecules， so on this day on your board to celebrate the world on board.
Skydiving 跳伞运动
Parkour 跑酷
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