论文部分内容阅读
人教版高中地理(选修·第二册)第五单元《河流的综合治理——以长江三峡工程为例》【教学背景】中国现有水坝86 000多座,居世界之首。根据发改委2005年的最新规划,至2020年水电装机容量的发展目标将提高到2.9亿千瓦。这意味着在世界第一的基础上,中国的水电开发规模15年内将扩大近2倍。在这一规划的指导下,将出现新一轮的水电开发高潮,而建坝问题是一把双刃剑,一方面,可以调节水资源的时间分配,缓解中国的能源紧张状
PEP Edition High School Geography (Elective) Book 5 Unit “Integrated River Management - A Case Study of the Three Gorges Project in the Yangtze River” [Teaching Background] There are more than 86,000 dams in China, ranking first in the world. According to the latest plan of NDRC in 2005, the development target of hydropower installed capacity will increase to 290 million kilowatts by 2020. This means that on the basis of the first in the world, China’s hydropower development scale will nearly double in 15 years. Under the guidance of this plan, a new wave of hydropower development will emerge. The issue of dam construction is a double-edged sword. On the one hand, it can regulate the allocation of water resources and alleviate the energy shortage in China