Listen to a talk on predictions about our future cities and then fill in the numbered blanks with ONE word. Your browser does not support the audio element.
People have very different oppinions about the cities of the future. Those who are(1)_____think that’s our cities will become more and more polluted, so they will no longer be safe and healthy places to live in. Pessimists point out that both global warming and(2)______have increased rapidly over the past twenty years, but(3)______have no effective ways to control them. There are no signs that this(4)____will be solved in the future. In addition, more and more people are living the countryside and moving to big cities to look for work As a result, cities will become(5)____. This means there will more people, more waste and havier traffic. All these factors will lead to more pollution. On the other hand, (6)_____people believe that city dwellers will have a better life thanks to important achievement in technology and medicine. Modern(7)____and well-equipped hospitals in cities will provide better, quicker and more effective treatment for people. How about environmental problems? Optmists also think that scientists will find ways to cut down the cost of(8)____energy sources and make them available to everybody. They hope that these energy sources will step by step replace(9)______fuels such as gas, coal and oil in the next twenty years. Then city dwellers will live in a cleaner and healthier(10)_____.
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