元气的化生来源于
A．先天之精
B．后天之精
C．水谷精微
D．脏腑之气
E．肾精
参考答案：E
—Do you have a TV set?
—Yes, _____. [ ]
A. I have it
B. I have one
C. I have
D. I don't have
=().
A．(8
B．(-8
C．(4
D．(-2
=().