A、We are faced with fresh water shortage. B、Population growth won’t worsen water supply. C、Climate change is the main factor cau

Water supplies around the planet are running dry at an alarming rate. Scientists say the world is experiencing a shortage of fresh water. It will only worsen as the population grows and the climate changes. Jerry Schubel, the president and CEO of the Aquarium of the Pacific in Long Beach, California, says that more man half of the world’s population lives in water-stressed areas and, according to the United Nations, the number will increase to two-thirds by 2025, fewer than 10 years from now. According to Jerry Schubel, the amount of water on earth has not changed for billions of years, but the ratio of fresh to salt water has.
    Scientists say conservation is the first step to solve the water crisis. Kevin Wattier, a manager at the Long Beach Water Department, says desalinating—removing salt from sea water—is also an option. But that comes at a price. He says that it would cost at least twice or three times as much to desalinate sea water as it would cost to buy imported water.
    Schubel says the problem of global water shortage can be solved only if countries work together. "We could supply everyone on this planet with safe drinking water and enough water to grow their food. But it will take money, technology, political will and cooperation. And learning how to share requires collaborative decision making at intergovernmental levels. "
    Questions 9 to 11 are based on the passage you have just heard.
    9.What do we know about the water supply in the world from the passage?
    10.What is Kevin Wattier’s job?
    11.What does Jerry Schubel say about solving the problem of global water shortage?