温病实风的治则是：（）.
A.凉肝息风
B.柔肝息风
C.镇肝息风
D.祛风止痉
参考答案：A
应当按照（）的操作规程进行病毒去除和灭活。
— How long do you think it will be _______ the USA recovers from the losses of the financial crisis?
— Perhaps four or five years.
A．when
B．since
C．that
D．before
