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(一)举世无双的水利枢纽三峡水利枢纽是我们祖国伟大的长江上的一颗明珠,它的效益巨大,规模宏伟,是一个举世无双的水利枢纽,也是征服长江的主体工程。建成后,它将雄踞在长江三峡的西陵峡中,控制着100万平方公里的流域面积,控制着长江一半的水量(每年约有4,500亿立方米),对我国国民经济的发展将产生巨大的作用。首先,在防洪方面,它有巨大的库容可以调节洪水,保证在遭遇最大的设计洪水时控制荆江不超过安全水位,以确保荆江大堤的安全,防止荆北平原毁灭性灾害的发生,并可封闭或控制
(A) the world’s most powerful dam The Three Gorges Project is a pearl on the great Yangtze River in our motherland. It is a pearl of great efficiency and magnificent scale. It is a unique hydropower project and the main project to conquer the Yangtze River. When completed, it will occupy the Xiling Gorge in the Three Gorges of the Yangtze River, controlling 1 million square kilometers of drainage area and controlling half of the Yangtze’s water (about 450 billion cubic meters a year), which will have a huge impact on the development of our national economy effect. First of all, in terms of flood control, it has a huge storage capacity to regulate flooding and to ensure that when the largest design flood is encountered, the Jingjiang River will be controlled not to exceed the safe water level to ensure the safety of the Jingjiang Levee and prevent the devastating disaster in the Jingbei Plain. Or control