key = Val(Text1.Text)
i = 1: j = 10
Text2.Text = “ ”
Do While i <= j
m = Int((i + j) / 2 + 0.5)
If key = a(m) Then Exit Do 'Exit Do表示退出循环
If key < a(m) Then j = m - 1 Else i = m + 1
Text2.Text = Text2.Text + Str(a(m))
Loop
数组元素a(1)到a(10)的值依次为“8,17,24,30,36,40,55,58,61,66”,文本框Text1中输入的值是30,执行该程序段,文本框Text2中显示的是( )