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i = 1: j = 7: s = ""
key = Int(Rnd * 100)
Do While i <= j
m = (i + j) \ 2
If key = a(m) Then
s = s + "M": Exit Do 'Exit Do 表示退出循环
ElseIf key < a(m) Then
j = m - 1: s = s + "L"
Else
i = m + 1: s = s + "R"
End If
LoopText1.Text = s
数组元素a(1)到a（9）的值依次为“24，35，38，41，45，69，78”。若该程序段执行后，文本框Text1中显示的内容可能是（ ）
| A．RL | B．LMR | C．RLR | D．LRLM |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
