把一根钢管平均截成5段，其中4段占全长的（ ）%。
80
— Would you please tell me _________?
— In half an hour.
A. when the plane left B. when the plane will leave C. when will the plane leave
该病例中医辨证为( )
A．脾胃虚寒，气不摄血B．脾不统血，气不摄血C．瘀血久留，血不归经D．肝火犯胃，热灼血络E．胃热壅实，热迫血行
