SUBSTR(″ABCDEF″,3,2)结果是( )A.ABB.CDC.FED.CB
SUBSTR(″ABCDEF″,3,2)结果是( )
A.AB
B.CD
C.FE
D.CB
相关考题:
假设X的值是5,则执行以下语句时,可得到的输出结果是ABCDEF的Select Case语句是 ( )A.Select Case X Case 10 To 1 Print“ABCDEF” End SelectB.Select Case X Case Is>15,Is<5 Print"ABCDEF" End SelectC.Selecl Case K Case Is>5,1,3,To 10 Print"ABCDEF" End SelectD.Select Case X Case 1,3,Is>5 Print"ABCDEF" End Select
执行下列命令后,屏幕上显示的结果是______。RR="FORTRAN"?UPPER(SUBSTR(RR,1,1))+LOWER(SUBSTR(RR,2))A.FORTRANB.ForTRANC.FortranD.forTRAN
若要从字符串“青岛大学”中取出汉字“岛”来,应该用函数 。A.SUBSTR(“青岛大学”,2,1)B.SUBSTR(“青岛大学”,2,2)C.SUBSTR(“青岛大学”,3,1)D.SUBSTR(“青岛大学”,3,2)