新人教版高中英语《not enough water》课件.ppt

not enough water,step one: fast reading read the passage fast and divide it into 2 parts according to the main idea of each part. (3),the water problem,the solutions to the problem,3,4,skimming,step two: intensive reading part one .read part one and fill in the blanks.,a. water will continue to increase as the grows. b. water is not spread throughout the world. c. its who suffer most and more water is needed to help .,population,usage,evenly,poor people,agriculture and industry,1.the water problem,2.why is it the poor people who suffer water shortages most?,water shortages can mean to get water, to buy it, food and from drinking water.,long walks,high prices,insecurity,disease,dirty,scanning,3.there are many figures in the passage. find and use them to fill in the blanks.,. of the worlds population lives in countries that have too little water. by ,the figure is expected to increase to . the un says people need a minimum of litres of water a day. its thought that of the water is used for agriculture. the worlds population will grow from about today to by . dams and other large projects affect of the worlds largest rivers.,a third,2025,two-thirds,50,70 percent,6 billion,8.9 billion,2050,60%,.translate the following sentences into chinese. the world has a water problem which is simple to understand but not to solve.,我们的世界有一个易于理解却难以解决的水问题。,we will also need a lot more water if we are to feed the worlds growing population, which will grow from about 6 billion today to 8.9 billion by 2050.,如果我们要养活世界上越来越多的人口我们也会需要很多水，而世界人口将会从今天的60亿增至2050年的89亿。,part two .read part two and fill in the form.,the solutions to the water problem,parts of the population lose their homes and the environment is being destroyed.,the best!,the level of water underground in some parts of the world is dropping,it makes more water useable by cleaning up pollution and in agriculture makes water use far more efficient.,dams and other large projects,new technology,. which sentence in this part can be replaced by the following one? it is of vital importance for millions of people all over the world to settle the problem.,for millions of people around the world, solving the problem is a matter of life and death.,in order to help the people struggling in drought affected southwest, what should we do to save water ?,step3 discussion,assignment 1.underline the sentenc