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运行下列程序: Private Sub Form. Click() Sum=0 For i=1 To 100 If Mid(CStr(i),1, 1)="1" Then Sum=Sum+1 End If Next i Print Sum End Sub 单击窗体后,在窗体上显示的结果是

单选题
2021-12-31 18:27
A、12
B、13
C、14
D、15
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正确答案
A

试题解析
解析:本题的功能是将1~100之间以“1”为开头数的个数加起来,其结果赋值给变量Sum,最终结果为12。Mid(x,n1,n1)从x字符串左边第n1个位置开始向右起取n1个字符,CStr(n)将一数值n转换成第一位非空字符的字符串型。

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