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Ⅰ Dictation Ⅱ Read the text and complete the close test. The Three Gorges Dam “Walls of stone to hold back clouds and rain” Mao Zedong wrote a poem in which he “walls of stone to clouds and rain till a lake in the narrow gorges”. Now his dream has . The of the Yangtze River, which is the world’s third longest river, has been by the Three Gorges Dam. The Three Gorges Dam, which is the biggest in China since the building of the Great Wall and the Grand Canal, has been built and hydro-electric power the central region of China. The dam is nearly 200 metres and 1.5 kilometres . It is the largest and dam in the world and has cost more than any other construction project in history. Sun Yat-sen, who was the leader of the 1911 Revolution, first ______the idea of a dam across the Yangtze River in 1919. Three quarters of China’s energy is by burning coal. In 1993, China used 1.2 billion tons of coal for heating and . Unfortunately, burning coal serious air pollution and increases . The dam will generate electricity | 
