Although 71% of the earth surface is covered by water, there is little fresh water that can be directly used by people. In what ways can humans get fresh water? (You can choose more than one answer). ()
选项:
A: from rivers and lakes
B: from underground
C: from the mountain snow
D: The sea water evaporates and then forms rain.
发布时间:2024-03-30 10:57:54