更多"The amount of usable water has alwa"的相关试题:
[单项选择]The amount of usable water has always been of great interest in the world. 66 springs and streams sometimes means control, particularly in the 67 areas like the desert. The control is possible even without possession of large areas of 68 land. In the early days of the American West, gun fights were not 69 for the water resources, and laws had to be 70 to protect the water rights of the 71 and the use of the water resources accordingly.
72 is known to us all, there is not 73 water in all places for everyone to use as much as he likes. Deciding on the 74 of water that will be used in any particular period 75 careful planning, so that people can manage and use water more 76 . Farmers have to change their use of or demand for water 77 the water supply forecast.
The 78 water supply forecast is based on the water from the 79 than from the below. Interest is 80 in the ways to increase rainfall by man-made methods, and to get water from the winter snow on mountain 81
With special equipme
A. Using
B. Occupying
C. Owing
D. Finding
