论文部分内容阅读
我国是个人口大国,拥有众多的河流,但我国仍然是个水资源不足的国家。然而一些地方却又常常发生洪涝灾害,并且在一些地方发生旱灾时,有些河流的水却白白流入大海。这些问题不得不引起人们的深思。目前,随着人口的增长,工农业的快速发展,人类经济活动的加强,我国一些河流在萎缩、断流及受到污染,河道环境逐渐变得脆弱,流域生态发生变迁……这些告诉我们应莫忘——河流是哺育人类的摇篮我们知道四大文明古国的形成,就是在河流流域。中国、印度、埃及、巴比伦分别诞生于黄河、恒河——印度河、尼罗河和两河流域。这些国家大河的丰富水源,是流经大地的血脉,哺育万物精灵的乳汁,孕育大自然的温床,是创造人类文明的天堂。我国是个多河流的大国,流域面积
My country is a large country with a large population of rivers. However, our country is still a country with insufficient water resources. However, floods and disasters have often occurred in some places, and in some places in the event of a drought, some rivers flow into the sea in vain. These problems have aroused people’s deep thought. At present, with the rapid population growth, rapid industrial and agricultural development and the enhancement of human economic activities, some rivers in our country are shrinking, breaking off and being polluted, and the river environment gradually becomes fragile and the ecological changes in the river basin ... These tell us that we should Forget - rivers are the cradle of humankind We know that the formation of four ancient civilizations, is in the river basin. China, India, Egypt and Babylon were born in the Yellow River, the Ganges-Indian River, the Nile and the two river basins. The rich water of the rivers of these countries is the blood that flows through the earth, nurturing the milk of all things elves, nurturing a hotbed of nature, is to create a paradise for human civilization. Our country is a large country with many rivers and drainage area