慢性盆腔炎的寒湿凝滞型病机()
A.湿热瘀结,气血阻滞
B.肝气郁结,瘀血内停
C.寒湿内结,凝结瘀滞
D.正气内伤,瘀血停聚
E.湿热内侵,瘀结不畅
参考答案:C
You could hear water pipes cracking _____ they _____ because of the cold. [ ]
A. when; burst
B. before; were burst
C. when; were burst
D. before; burst
企业每月可按工资总额的20%提取职工福利费。( )