治疗血瘀型晚期产后出血，应首选的方剂是( )
A．血府逐瘀汤
B．膈下逐瘀汤
C．生化汤合失笑散
D．桃红四物汤
E．少腹逐瘀汤
参考答案：C
I have often heard the"ABC Song"____,but I have never heard Alice_____it. [ ]
A. to be sung;to sing
B. being sung;sang
C. sung;sing
D. sang;singing
汽轮机热态启动冲转前要连续盘车不少于（）。
A.6h
B.4h
C.2h
D.8h
