min = a(1)              '变量min用于存储最小值

For i = 2 To 100

Next i

则方框中最合适的语句是（   ）

Private Sub Command1Click()

Dim num(0 To 5) As Integer

Dim i As Integer, j As Integer

Dim t As Integer

num(0) = 4: num(1) = 7: num(2) = 2: num(3) = 0: num(4) = 3: num(5) = 9

i = 0: j = 1: t = 0

For i = 1 To 5 Step 1

  For j = i + 1 To 4 Step 1

  If num(i) > num(j) Then

  t = num(i)

  num(i) = num(j)

  num(j) = t

  End If

  Next j

Next i

For i = 1 To 5

List1.AddItem num(i)

Next i

End Sub

Const n =10

For i = 1 To n - 1

    t = n - (n + i ) Mod 2

    For j = t To i + 2  Step -2

        If d(j)> d(j - 2)  Then

            Temp=d(j)

            d(j) = d(j - 2)

            d(j - 2) = temp

        End If

    Next j

Next i

已知数组元素d(1)到d(10)的原始数据为1、2、3、4、5、6、7、8、9、10.程序运行后，d(10)的值为（ ）

Dim a(1 To 1000) As Single, b(1 To 1000) As Integer Private Sub Form_Load()

Randomize    '生成 1000 个随机数 For i = 1 To 1000

       ①   '产生随机数，保留二位小数

   b(i) = 1                                           '初始排位为 1

   List1.AddItem "a(" & i & ")=" & a(i) Next i

End Sub

Private Sub Command1_Click()

Dim ks As Integer, js As Integer

ks = Val(Text1.Text)  

js = Val(Text2.Text)

For i = ks To js

  For j = ks To js

    If  Then b(i) = b(i) + 1         ②

  Next j

Text1  Text2

  List2.AddItem "a(" & i & ")" & "在 a(" & ks & ")~a(" & js & ")中排位为" & b(i) Next i

End Sub

①{#blank#}1{#/blank#} ②{#blank#}2{#/blank#} 

For i=1 To 3

 For j=8 To i+1 Step-1

  If a(j) < a(i) Then

   t=a(j): a(j)=a(i): a(i)=t

  End If

 Next j

Next i

数组元素a(1)到a(8)的值依次为“35， 18， 14， 20， 30， 15， 28， 26”，运行该程序段后，a(5)到a(8)的值依次是（  ）

Const n = 6

Dim a(1 To n) As Integer, f(1 To 10) As Boolean

Dim tmp As Integer, i As Integer, j As Integer, t As Integer

‘f数组各元素的初值置为False，代码略

For i = 1 To   ⑴ 

    t = Int(1 + Rnd * 10)

    If Not f(t) Then

        a(i) = t : f(t) = True

        For j =   ⑵ 

            If a(j) < a(j - 1) Then

                tmp = a(j): a(j) = a(j - 1): a(j - 1) = tmp

            End If

        Next j

    Else

      ⑶ 

    End If

Next i

上述程序段3个方框处的表达式分别为(   )