单击命令按钮时,下列程序的执行结果是 Private Sub Command1_Click() Dim a As Integer, b As Integer, c As Integer a=3∶b=4∶c=5 Print SecProc(c, b,

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问题 单击命令按钮时,下列程序的执行结果是
Private Sub Command1_Click()
Dim a As Integer, b As Integer, c As Integer
a=3∶b=4∶c=5
Print SecProc(c, b, a)
End Sub
Function FirProc(x As Integer, y As Integer, z As Integer)
FirProc=2x+y+3z
End Function
Function SecProc(x As Integer, y As Integer, z As Integer)
SecProc=FirProc(z, x, y) +x
End Function

选项 A、20
B、22
C、28
D、30

答案C

解析 此题程序代码中用了双层调用,我们对这样的问题要多加小心,不能掉以轻心,千万不要把实参和相对应的形参弄混淆。主调过程Command1
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