溃疡性结肠炎又称:()
A.慢性结肠炎
B.慢性非特异性结肠炎
C.慢性非特异性溃疡性结肠炎
D.慢性非特异性溃疡性大肠炎
E.慢性溃疡性结肠炎
参考答案:D
细胞外液中最多的离子()
A.K+
B.Na+
C.CI-
D.Ca2+
E.HCO
执行以下语句过程,在窗体上显示的内容是 Option Base 0 Private Sub Command3_Click( ) Dim d d=Array("a","b","c","d") Print d(1);d(3) End Sub
A.ab
B.bd
C.ac
D.出错