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i= 1:length = n
Do While i < length
j=i+ 1
Do While j <= length
If a(i) = a(j) Then
For m=j+ 1 To length
Next m
length = length- 1
Else
End If
Loop
i=i+1
Loop
输出a(1)至a(lengh)的值，代码略
上述程序段两个方框处的语句分别为（ ）
| A．①a(m-1)=a(m) ②j=j+ 1 | B．①a(m)= a(m+ 1)②j=j+ 1 |
| C．①a(m-1)=a(m)②i=i+ 1 | D．①a(m)= a(m+1)②i=i+ 1 |
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
