根据五行相克规律确立的治法是
A．金水相生
B．益火补土
C．佐金平木
D．滋水涵木
E．培土生金
参考答案：C
—I don't know how to use this machine.
—It doesn't matter. Here is the_________. [ ]
A. instruction
B. direction
C. information
D. advertisement
什么是作物实际耗水量？
