消风散的功用是（）
A．祛风清热、养血活血
B．疏风解表、清热通便
C．发汗解表、散风祛湿
D．疏风养血、清热除湿
参考答案：D
________ these experiments were successfully completed would we think of going into humans.
A．If only
B．Only if
C．So that
D．Even if
变压器铭牌所标的容量单位一般（）。
A、K•VA
B、KW
C、kvar
D、KA
