病案按一定的顺序进行系统性的排列,以便能快速、容易地查阅和检索病案称为()
A.病案整理
B.病案供应
C.病案登记
D.病案归档
E.病案控制
参考答案:D
________, you need to give all you have and try your best.
A.Being a winner
B.To be a winner
C.Be a winner
D.Having been a winner
因式分解:x2y﹣9y=( )