C　　A scientist who developed a way to calculate(计算) how much water is used in the producit

C
　　A scientist who developed a way to calculate(计算) how much water is used in the produciton of anything form a cup of coffee to a hamburger was awarded the 2008 Stockholm Water Prize.
　　Professor John Anthony Allan of the University of London in Britain won the award for introducing the idea of virtual water(虚拟水),a calculation method that has changed the nature of trade policy and research.
　　Allan has written seven books and published more than 100 papers.
　　The Stockholm International Water Institute said this idea is now embedded(埋藏) in the production of foods and industrial products.The institute said Allan's work had made a big effect on global trade policy and research,especially in water - scarce(缺水) regions.
　　The improved understanding of trade and water management issues on local,regional and global scales are of the highest value for the successsful and sustainable(可持续的) use of water resources,it said.
　　People do not only use water when they drink it or take a shower,the institute said. Behind the morning cup of coffee,there are 140 liters of water that was used to grow,produce,package and ship the beans.That is about as much water as a person in England uses on average for all daily drinking and household needs.
　　For a single hamburger,about 2,400 liters of water are needed.In te USA ,the average person uses nearly 7,000 liters of virtual water every day It said that was more than three times the average use of a Chinese person.
　　64.Allan was awarded the prize because .
　　　A.he wrote seven books on trade policy
　　　B.he published more than 100 papers on water management
　　　C.he found a new kind of water in water - scarce areas
　　　D.he came up with the idea of virtual water
　　65.Which of the following is TRUE according to the passage?
　　　A.The average American uses about 7,000 liters of water a day.
　　　B.The average Chinese uses nearly 2,300 liters of virtual water a day.
　　　C.An Englishman usually drinks about 140 liters of coffee a day.
　　　D.A hamburger usually contains about 2,400 liters of water.
　　66.What effect does the idea of virtual water have?
　　　A.It helps us realize the importance of trade.
　　　B.It helps people do successful business.
　　　C.It helps us make use of water scientifically.
　　　D.It tells us how much water we use a day.
　　67.What does the underlined word it in the last paragraph refer to?
　　　A.The University of London.
　　　B.The calculation method.
　　　C.The Stockholm International Water Institute.
　　　D.The trade policy and research. 64---67 DBCC

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