丁香的功效有()。
A.温肝散寒、温肾助阳
B.温肺化饮、温脾止泻
C.温中降逆、散寒止痛
D.温肾助阳、行气止痛
E.散寒止痛、温经通脉
参考答案:C
She __ on the desk all the books she was carrying and ____ down for a rest. [ ]
A. lay; lay
B. laid; laid
C. laid; lay
D. lay; laid
当室外管网的供水能力不能满足室内供水系统的用水量时,应设()。
A.水箱
B.水泵
C.气压给水设备
D.蓄水池