单词：main coal-water rise
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Rome's savagery was matched by its size. When the Colosseum was built, Rome was a city of a million people and growing. Not until London of the 19th century would a city approach this size again. What
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KELLY MCEVERS, HOST: When President Trump promised to step out of the Paris climate accord earlier this month, dozens of mayors and a handful of governors promised to step in. Officials like the mayor of Los Angeles and the governor of New York pledg
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Chen Guoqi at the Ministry of Environmental Protection is in charge of air quality monitoring in north China. He said the industrial layout of the region is problematic and the adjustment process is slow. So severe problems have emerged in north Chin
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The Britain-based charity ActionAid says heavy rains are hampering operations to evacuate people in Pakistan caught in the worst floods in 80 years. The death toll has reached 1,500 and an estimated three-million people have been affected. Airlie Tay
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The charts compare the source of electricity in Australia and France in the years 1980 and 2000. Between these years electricity production almost doubled, rising from 100 units to 170 in Australia, and from 90 to 180 units in France. In 1980 Austral
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