— It's two.
— _______________[ ]
A. Time to play.
B. It's my school.
答案:A
花粉粒表面有点状条形雕纹,自两极向四周呈放射状排列的药材为
A.红花
B.西红花
C.金银花
D.洋金花
E.蒲黄
下列哪些因素易致产妇发生DIC( )
A.胎盘早剥
B.羊水过多
C.死胎
D.羊水过少
E.前置胎盘