由第一段“The fresh water actually available for human use in lakes and rivers and the accessible ground water amount to only about onethird of 1% of the world’s total water supply.”得出。 知识点:简单计算题(4). C解析: 地球上最大的淡水储量在南极洲。由第一句“The Antarctic Icecap ...
The World Bank reports that 80countries now have water shortages,while 40% of the more than 2billion people,have no access to clean water.Fresh water is such a life-or-death issue(问题) in many parts of the world that every eight seconds a child dies from drinking dirty ...
A.Fresh Water in the World B.Water Supply of the World C.Salt Water of the Earth D.Protection of the Water in the World 2.It can be seen from the table___. A.humans will have to use sea water in the future B.there is enough fresh water for man to use C.Water in the atmosph...
world’s total of fresh and salt water. As can be seen from the table below, the amount of water in our atmosphere is over 10 times as much as the water in all the rivers taken together. The fresh water actually available for human use in lakes and rivers and the accessible ground wa...
Human freshwater use 翻译结果2复制译文编辑译文朗读译文返回顶部 human the use of freshwater; 翻译结果3复制译文编辑译文朗读译文返回顶部 Use fresh water intended for human 翻译结果4复制译文编辑译文朗读译文返回顶部 The use of freshwater humanity
1971 . Ecology of Fresh Water. Heinemann Educational Books, London, UK.Moss, B., 2010 . Ecology of freshwater . Chichester: Wiley-Blackwell.Brown, S. L. (1980). Ecology of freshwater. Heinemann Educ. Books, Ltd. London: 78 pp.
1)fresh water resources淡水资源 1.Seriousness of lacking fresh water resources in Shaanxi,Inner Mongolia,Hebei and Shanxi provinces;晋、冀、蒙、陕地区淡水资源馈乏的严重性 2.We can realize rain attempering and make good use of fresh water resources by expanding the reserving space of water and ...
water that is used once and it can be used again only after a process. When we use water for agricultural purpose, the water is usually sprayed and then absorbed in the earth and is not available till it meets the proper channel of ground water. In such case the water may also ...
Today's outdoor enthusiasts are taking an even greater risk than their ancestors because natural contaminants are joined by various organic and inorganic pollutants from ubiquitous human activity. How much arsenic is in the water depends on the available arsenic in the geologic materials, as well ...
On Earth, although much water, but people could be of fresh water which is very small, so people should save every drop 翻译结果4复制译文编辑译文朗读译文返回顶部 Although more than the face of the earth, however, water available for human consumption of fresh water 10 sub-less, so people ...