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试题
类型:操作题
难度系数:0.40
所属科目:高中信息技术
数组a中存放着1到20间的正整数,要求对其中的元素进行分段排序,在文本框Text2中输入每段元素的个数,在文本框Text3中显示每段降序排序后的数据,其中多余的元素不做处理。具体界面如下图所示:

实现该功能的VB程序如下,请在划线处填入合适的代码:
Dim a (0 To 100) As Integer
Const high=16
Private Sub Form_Load()
’产生high个随机数,并显示在文本框Text1,代码略
End Sub
Private Sub Command1_Click()
Dim p As Integer, q As Integer, t As Integer
Dim m As Integer, n As Integer, k As Integer
m=Val(Text2.Text)
For i=1 To _________
c=“”
For j=1 To m-1
________
q=i*m
k=sort(p,q)
If a(k)<>a(q) Then
t=a(p):a(p)=a(k):a(k)=t
End If
________
Next j
Text3.Text=Text3.Text+ “”+c
Next i
End Sub
Function sort(f As Integer, g As Integer) As Integer
s=f
For i=f+1 To g
If a(i)>a(s) Then
_________
End If
Next i
sort=s
End Function
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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

用户名称
2019-09-19

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

用户名称
2019-09-19
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