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二级VB上机题库36
1、【 简答题
    [10分]
解析:
  按要求解答即可
2、【 简答题
    
Private Sub Command1_Click()
'Call ShowName(?)
End Sub
Private Sub Label1_Click()
'Call ShowName(?)
End Sub
'Private Sub ShowName(c As ?)
    If TypeOf c Is CommandButton Then
        Label2.Caption = "单击" & Command1.Caption
    End If
    If TypeOf c Is Label Then
'    ? = "单击" & Label1.Caption
    End If
End Sub [10分]
解析:
Call ShowName(Command1)
Call ShowName(Label1)
Private Sub ShowName(c As Control)
Label2.Caption = "单击" & Label1.Caption
3、【 简答题
    
Dim a(10) As Integer
Public Sub Save()
    Open App.Path & "\out5.txt" For Output As #1
    Print #1, Label4.Caption
    Close #1
End Sub
Private Sub Command1_Click()
    Open App.Path & "\Data5.txt" For Input As #1
'    Do While Not ?
        For i = 1 To 10
            Input #1, a(i)
'            s = s & ?
        Next i
    Loop
    Close #1
    Label2.Caption = s
End Sub
Private Sub Command2_Click()
'============以下考生编写程序开始=================
??(1)??
'============考生编写程序结束=====================
    For i = 1 To 10
        s = s & Str(a(i))
    Next i
    Label4.Caption = s
    Save
End Sub [10分]
解析:
Do While Not EOF(1)
            s = s & Str(a(i))
(1)
For i = 10 To 2 Step -1
    For j = 1 To i - 1
      If a(j) > a(j + 1) Then
        t = a(j)
        a(j) = a(j + 1)
        a(j + 1) = t
      End If
    Next j
  Next i
4、【 简答题
    
Dim a(5, 5) As Integer
Dim b(5) As Integer
Dim c(5) As Integer
Private Sub Command1_Click()
    N = 5
    For i = 1 To N
'===============考生编写程序开始======================
???
'===============考生编写程序结束======================
    Next i
    Save
End Sub
Private Sub Form_Load()
    read
End Sub
Public Sub read()
    Open App.Path & "\Data5.txt" For Input As #1
    Do While Not EOF(1)
        For i = 1 To 5
            For j = 1 To 5
                Input #1, a(i, j)
            Next j
        Next i
    Loop
    Close #1
End Sub
Public Sub Save()
    Open App.Path & "\out5.txt" For Output As #1
    For i = 1 To 5
        Print #1, b(i), c(i)
    Next i
    Close #1
End Sub [10分]
解析:
b(i) = a(i, 1)
      For j = 2 To 5
        If b(i) < a(i, j) Then
          b(i) = a(i, j)
          c(i) = j
        End If
      Next j
5、【 简答题
    [10分]
解析:
  按要求解答即可
6、【 简答题
    
Private Sub Command1_Click()
    Dim n As Integer
    Dim b As Integer
    Dim a(3) As Integer
    s = RTrim(Text1.Text)
'n = ?  (Text1.Text)
        For i = 1 To n
        'b = ? (Mid(s, i, 1))
        'Select Case ?
            Case 48 To 57
                a(0) = a(0) + 1
            Case 65 To 90
                a(1) = a(1) + 1
            Case 97 To 122
                a(2) = a(2) + 1
        End Select
    Next
'For i = 0 To ?
        '? = a(i)
    Next
End Sub [10分]
解析:
n = Len(Text1.Text)
        b = Asc(Mid(s, i, 1))
        Select Case b
For i = 0 To 2
        x(i).Caption = a(i)
7、【 简答题
    
Private Sub remove(La As ListBox, Lb As ListBox)
'    For i = 0 To  ? – 1
'      Lb.AddItem ?.List(i)
    Next
'    ?.Clear
End Sub
Private Sub Command1_Click()
    Call remove(List1, List2)
End Sub
Private Sub Command2_Click()
    Call remove(List2, List1)
End Sub [10分]
解析:
For i = 0 To La.ListCount - 1
Lb.AddItem La.List(i)
    La.Clear
8、【 简答题
    
Private Sub Form_Load()
    Picture1(0).Left = 0
    Picture1(0).Top = 100
    For k = 1 To 7
'        Picture1(k).Visible =?
    Next
End Sub
Private Sub Command1_Click()
'    Timer1.Enabled =?
End Sub
Private Sub Command2_Click()
    Timer1.Enabled = False
End Sub
Private Sub Timer1_Timer()
    Static i As Integer
    Picture1(i).Visible = False
    i = i + 1
'    If i = ? Then
'        i =?
    End If
    Picture1(i).Visible = True
End Sub [10分]
解析:
Picture1(k).Visible = False
    Timer1.Enabled = True
    If i = 8 Then
        i = 0
9、【 简答题
    [10分]
解析:
Private Sub Form_Click()
x = InputBox("请输入", "等级考试", "Basic")
End Sub
10、【 简答题
    [10分]
解析:
Private Sub Form_Load()
  Form1.Caption = "标签"
End Sub
Private Sub Form_Click()
  Label1.Visible = True
End Sub
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