新人教版高中英语《Not Enough Water》精品课件.ppt

* * * Fast reading Part 1 (Para1) The importance of water Part 2 (Para2—3) Part 3 (Para4—6) Part 4 (Para7) The world has a water problem. The reason and result of water shortages The solutions to water shortages Careful reading Part 1 The world has a water problem 1.Why will water usage continue to increase? population water usage 2.By 2025 how many people will face water problem? Two thirds Part 2 The reason and result of water shortages 1.We have more than enough water available for everyone’s basic needs. 2.In 1990, all the people could have a minimum of 50 litres of water a day. 3.More than half of the water in the world is used for agriculture. 4.If we suffer water shortages, it doesn’t matter. F evenly F F T long walks to get water high prices to buy it food insecurity diseases from drinking dirty water Part 3 the solutions to water shortages Disadvantages Solutions Dams and other large projects Using underground supplies New technology Parts of the population lose their homes and the environment is being destroyed. The level of the water underground is dropping. Part 4 the importance of water What can we infer from the text? Water shortages will be more and more serious if measures can’t be taken. B. We shouldn’t use water any more. C. Water will disappear one day. D. There isn’t enough water for everyone’s basic needs. *