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i = 1 ：j = n
Do While i + 1 < j
m = (i + j) \ 2
If a(m + 1) - a(m) > a(m) - a(m - 1) Then
Else
End if
LoopLabel1.Caption="相邻两个元素的最大差值是" + Str(a(j) - a(i))
上述程序段两个方框处的语句分别为（ ）
| A．① i = m ② j = m | B．① i = m ② j = m - 1 |
| C．① i = m + 1 ② j = m – 1 | D．① i = m + 1 ② j = m |
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
