填空题

A. evaporation
B. water cycle
C. complicated process
D. ever-going-on process
E. rainfall
F. ground water
G. vapor
H. transpiration
I. high land
J. formation of clouds
K. formation of rain
L. cold air
M. drops of rain
N. absorbed by soil
O. porous rock layer
P. non-porous rock layer
Q. accumulation of water
R. process of water cycle

复杂的过程( ) 水的聚集( )

【参考答案】

C、Q

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