江苏计算机二级VB填空题.docx

1、江苏计算机二级VB填空题填空题11.执行下面程序，单击命令按钮Command1，则窗体上显示的第一行是 (1) ，最后一行是 (2) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim n As Long, k As Integer, a() As Integer n = 123456789 Do k = k + 1 ReDim Preserve a(k) a(k) = n Mod 100 n = n 100 Loop Until n = 0 For k = 1 To UBound(a) Print fun(a(k) Ne

2、xt kEnd SubPrivate Function fun(n As Integer) As Integer Dim k As Integer k = n Mod 10 fun = k * 10 + (n 10)End Function2.执行下面程序，单击命令按钮Command1，则数组元素a(2, 1)的值是 (3) ，a(1, 2)的值是 (4) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim a(3, 3) As Integer, i As Integer, k As Integer Dim n As In

3、teger n = 9 For k = 1 To 3 For i = 1 To 3 a(i, k) = n n = n - 1 Next i Next k For i = 1 To 3 For k = 1 To 3 Print a(i, k); Next k Print Next iEnd Sub3.执行下面程序，单击命令按钮Command1，则窗体上显示的第一行是 (5) ，第二行是 (6) ，第三行是 (7) 。Option ExplicitPrivate Sub Command1_Click() Dim i As Integer, a As Integer, b As Integer a

4、 = 1 b = 2 i = a Do While fun(i, b) = 7 i = i + a b = b + 1 Print i LoopEnd SubPrivate Function fun(ByVal x As Integer, y As Integer) As Integer x = x + 1 y = y + 1 fun = x + y Print funEnd Function4.执行下面程序，单击命令按钮Command1，则窗体上显示的第一行是 (8) ，第二行是 (9) ，最后一行是 (10) 。Option ExplicitDim k As Integer k为模块级变量

5、Private Sub Command1_Click() Dim N As Integer, M As Integer, Lcm As Integer N = 6 M = 9 Lcm = Rec(N, M) Print LcmEnd SubPrivate Function Rec(A As Integer, B As Integer) As Integer k = k + 1 Print A If A Mod B = 0 Then Rec = A Else Rec = Rec(A + A / k, B) End IfEnd Function25.执行下面程序，单击命令按钮Command1，则窗

6、体上显示的第一行是 (1) ，第三行是 (2) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim s As String, k As Integer Dim q As String, a() As String, n As Integer s = ABCDEFG n = 1 Do k = k + 1 ReDim Preserve a(k) a(k) = Mid(s, n, n) n = n + 1 Loop While n + Len(a(k) = Len(s) For n = 1 To UBound(a) q = Ca

7、ll sub1(a(n), q) Print q Next nEnd SubPrivate Sub sub1(s As String, q As String) Dim i As Integer For i = 1 To Len(s) q = Mid(s, i, 1) & q Next iEnd Sub6.执行下面程序，单击命令按钮Command1，则数组元素a(1, 2)的值是 (3) ，a(3, 1)的值是 (4) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim a(3, 3) As Integer, i As I

8、nteger, j As Integer For i = 1 To 3 For j = 1 To 3 If (i + j) Mod 2 = 0 Then a(i, j) = i + j Else a(i, j) = (i * 3 + j) / 2 End If Print a(i, j); Next j Print Next iEnd Sub7.执行下面程序，单击命令按钮Command1，则数组元素a(5)的值是 (5) ，窗体上显示的第二行是 (6) ，第三行是 (7) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim

9、 i As Integer, a(5) As Integer, j As Integer For i = 1 To 5 a(i) = 2 * i - 1 Print a(i); Next i Print For i = a(5) To a(3) Step -1 Print fun(i, a(i - 4) Next iEnd SubPrivate Function fun(a As Integer, b As Integer) As Integer a = a - 1 b = b - 1 fun = (a + b) / 2End Function8.执行下面程序，单击命令按钮Command1，则

10、数组元素yz(1)的值是 (8) ，数组元素yz(3)的值是 (9) ，窗体上显示的最后一行是 (10) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim n As Integer, yz() As Integer, s As Integer Dim i As Integer n = 12 Call sub1(n, yz) For i = 1 To UBound(yz) s = s + yz(i) Print yz(i) Next i Print sEnd SubPrivate Sub sub1(n As Integer

11、, a() As Integer) Dim k As Integer, i As Integer For i = 2 To n / 2 If n Mod i = 0 Then k = k + 1 ReDim Preserve a(k) a(k) = i End If Next iEnd Sub39.执行下面程序，单击命令按钮Command1，则窗体上显示的第一行是 (1) ，第三行是 (2) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim s As String, k As Integer, a() As String

12、, i As Integer s = VBASIC i = 1 Do k = k + 1 ReDim Preserve a(k) a(k) = Mid(s, i, i) i = i + 1 Loop While i + Len(a(k) - 1 = Len(s) For k = 1 To UBound(a) Print fun(a(k) Next kEnd SubPrivate Function fun(s As String) As String Dim k As Integer, t As String For k = Len(s) To 1 Step -1 t = t & Mid(s,

13、k, 1) Next k fun = tEnd Function10.执行下面程序，单击命令按钮Command1，则数组元素a(2, 1)的值是 (3) ，a(1, 3)的值是 (4) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim a(3, 3) As Integer, i As Integer, j As Integer Dim k As Integer, n As Integer k = 2 n = 1 Do While k = 6 For i = 1 To 3 For j = 1 To 3 If i + j =

14、 k Then a(i, j) = n: n = n + 1 Next j Next i k = k + 1 Loop For i = 1 To 3 For j = 1 To 3 Print a(i, j); Next j Print Next iEnd Sub11.执行下面程序，单击命令按钮Command1，则数组元素a(3)的值是 (5) ，窗体上显示的第二行是 (6) ，第四行是 (7) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim i As Integer, a(5) As Integer, j As Int

15、eger For i = 1 To 5 a(i) = 2 * i - 1 Print a(i); Next i Print j = UBound(a) For i = j To 2 Step -1 Print fun(a(i), a(i - 1) Next iEnd SubPrivate Function fun(ByVal a As Integer, b As Integer) As Integer fun = (a + b) / 2 a = a + 1 b = b + 1End Function12.执行下面程序，单击命令按钮Command1，则窗体上显示的第一行是 (8) ，第二行是 (

16、9) ，最后一行是 (10) 。Option ExplicitPrivate Sub Command1_Click() Dim n As Integer, k As Integer n = 59 k = 5 Print Tran(n, k)End SubPrivate Function Tran(n As Integer, k As Integer) As String Dim r As Integer If n 0 Then r = n Mod k Tran = Tran(n k, k) & r Print r End IfEnd Function41.已知在列表框中有5个列表项，从上到下容

17、分别为0、1、2、3、4。执行下面程序，单击窗体后，列表框上显示的第二个列表项容是 (1) ，列表框中共有 (2) 项。Option ExplicitPrivate Sub Form_Click() Dim i As Integer For i = 0 To List1.ListCount / 2 - 1 List1.RemoveItem i Next iEnd Sub2.执行下面程序，单击命令按钮Command1，在弹出的InputBox对话框中输入8，并按“确定”按钮，则a(1)的值是 (3) ，a(5)的值是 (4) 。Option ExplicitOption Base 1Privat

18、e Sub Command1_Click() Dim a() As Integer, i As Integer, n As Integer n = InputBox(输入N, , 8) ReDim a(n) Call process(a, 1, 1) For i = 1 To n Print a(i) Next iEnd SubPrivate Sub process(a() As Integer, m As Integer, n As Integer) Dim i As Integer i = UBound(a) a(i) = m a(i - 1) = n i = i - 2 Do While

19、 i = 1 a(i) = a(i + 1) + a(i + 2) i = i - 1 LoopEnd Sub3.执行下列程序，单击Command1按钮后，窗体上第一行为 (5) ，第二行为 (6) ，最后一行为 (7) 。Option ExplicitDim n As IntegerPrivate Sub Command1_Click() Dim i As Integer n = 1 For i = 1 To 5 Call Sub1(i, n) Print n Next i Print iEnd SubPrivate Sub Sub1(x As Integer, y As Integer)

20、Dim i As Integer n = n + 2 x = x + 2 y = y + xEnd Sub4.执行下面程序，单击Command1按钮，则在窗体上显示的第一行容是 (8) ，第三行容是 (9) ，最后一行容是 (10) 。Option ExplicitPrivate Sub Command1_Click() Dim a As Integer, b As Integer a = 3 b = 1 Call P1(a, b) Print b Call P1(b, a) Print bEnd SubPrivate Sub P1(x As Integer, ByVal y As Integ

21、er) Static z As Integer x = x + z y = x - z z = 10 - y Print zEnd Sub51.执行下面的程序，单击命令按钮Command1，则窗体上显示的第一行是 (1) ，最后一行是 (2) 。Option ExplicitPrivate Sub Command1_Click() Dim m(10) As Integer, k As Integer, x As Integer For k = 1 To 10 m(k) = 11 - k Next k x = 3 Print m(2 + m(x) Print m(m(x - 1) + m(x +

22、 1) - 6) * 2 If m(2 + m(x) 3 Then Print x + m(k + m(k - 1) - 9) Else Print x - m(k + m(k - 1) - 9) End IfEnd Sub2.执行下面的程序，单击命令按钮Command1，则图片框Picture2中显示的第一行是 (3) ，第二行是 (4) ，第三行是 (5) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim sa(3, 3) As String * 1, i As Integer, j As Integer, s As

23、 String, k As Integer s = ABCDEFXYZ k = 1 For i = 1 To 3 For j = 1 To 3 sa(i, j) = Mid(s, k, 1) Picture1.Print sa(i, j); k = k + 1 Next j Picture1.Print Next i For i = 1 To 3 For j = 1 To 3 k = (Asc(sa(i, j) - Asc(A) + i + j) Mod 26 sa(i, j) = Chr(k + Asc(A) Picture2.Print sa(i, j); Next j Picture2.

24、Print Next iEnd Sub3.执行下面的程序，单击命令按钮Command1，则窗体上显示的第一行是 (6) ，第二行是 (7) ，最后一行是 (8) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim a As Integer, b As Integer, c As Integer a = 6 b = 20 c = Fun(a, b) Print bEnd SubPrivate Function Fun(ByVal x As Integer, y As Integer) As Integer x = x - 2

25、 y = y - 3 If x = 0 Or y = 0 Then Fun = 1 Else Fun = Fun(x - 2, y - 3) End If Print xEnd Function4.执行下面程序，单击命令按钮Command1，则在窗体上显示的第二行是 (9) ，最后一行是 (10) 。Option ExplicitDim b As IntegerPrivate Sub Command1_Click() Dim a As Integer, i As Integer a = 8 For i = 1 To 3 Print F(a) Next iEnd SubFunction F(a

26、As Integer) As Integer Static c As Integer b = b + 1 c = c + 2 F = a + b - cEnd Function61.执行下面程序，单击命令按钮Command1，若文本框Text1中生成的数据为“8 6 6 3 4 8”，则列表框List1中共输出 (1) 行数据，其中第一行为 (2) ，最后一行为 (3) 。Option ExplicitPrivate Sub Command1_Click() 运行 Dim a(6) As Integer, b(1 To 10) As Integer Dim i As Integer For i

27、 = 1 To 6 a(i) = 1 + Int(Rnd * 10) Text1.Text = Text1.Text & Str(a(i) Next i Call num(a, b) For i = 1 To 10 If b(i) 0 Then List1.AddItem b(i) Next iEnd SubPrivate Sub num(x() As Integer, y() As Integer) Dim i As Integer For i = 1 To 6 y(x(i) = y(x(i) + 1 Next iEnd Sub2.执行下面程序，单击命令按钮Command1，则窗体上输出的d

28、ata数组元素个数为 (4) ，最后一行是 (5) 。Option ExplicitOption Base 1Private Sub Command1_Click() Dim st As String, char As String Dim data() As String, i As Integer, j As Integer st = 66*97*115*105*99* For i = 1 To Len(st) If Mid(st, i, 1) * Then char = char & Mid(st, i, 1) Else j = j + 1 ReDim Preserve data(j)

29、data(j) = char char = End If Next i Print data数组元素个数为; j Print Conver(data)End SubPrivate Function Conver(a() As String) As String Dim i As Integer For i = 1 To UBound(a) Conver = Conver & Chr(Val(a(i) 字母A、a的ASCII码分别为65、97 Next iEnd Function3.执行下面程序，单击命令按钮Command1，则窗体上显示的第三行是 (6) ，最后一行是 (7) 。Option ExplicitDim i As IntegerPrivate Sub Command1_Click() Print Test(D)End SubPrivate Function Test(t As String) As Integer If t = A Then Call Test(Chr(Asc(t) - 1) Print t i = i + 1 End If Test = iEnd Function4.执行下面程序，单击窗体，在弹出的InputBox对话框中输入“4”，并单击“确定”按钮，则数组元素a(2, 2)的值是 (8) ，a(3, 2) 的值是 (9