全国计算机二级考试VB程序设计复习试题答案(13)
1. 在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim num As Integer num = 1 Do Until num > 6 Print num; num = num + 2.4 Loop End Sub 程序运行后,单击命令按钮,则窗体上显示的内容是 (A)1 3.4 5.8 (B)1 3 5(C)1 4 7(D)无数据输出 2. 有如下函数: Function Facn ( x As Integer ) As Long Dim p As Long , i As Integer p = 1 For i = 1 To x p = p * i Next i Facn = p End Function 调用它的事件过程如下: Private Sub Command1_Click ( ) i = Val ( InputBox ( “请输入数据”)) a = Facn (( i ) ) ‘实参i用圆括号括起,则强制为值传递 Print a End Sub 若输入数据6,则程序运行结果为( 【73】 ) (A)60 (B)120 (C)600 (D)720 3. 在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Integer, s As Integer a = 8 s = 1 Do s = s + a a = a-1 Loop While a <= 0 Print s; a End Sub 程序运行后,单击命令按钮,则窗体上显示的内容是 (A) 7 9 (B) 34 0 (C) 9 7 (D)死循环 4. 下列程序的执行结果为( 【74】 ) Dim IntSum As Integer , i As Integer IntSum = 0 For i = 30.2 To 1 Step -5.3 IntSum = IntSum + i Next i Print IntSum (A)106(B)105(C)102(D)101 5. 在窗体上画一个命令按钮,然后编写如下事件过程,该过程执行结果为( 【75】 ) Option Base 1 Private Sub Command1_Click ( ) Dim a As Variant , s As Integer a = Array ( 2 , 4 , 6 , 8 ) j = 1 For i = 1 To 4 Step 1 s = s + a ( i ) * j j = j *10 Next i Print s End Sub (A)0(B)1110(C)2468(D)8642 设有如下通用过程: Public Function f(x As Integer) Dim y As Integer x = 20 y = 2 f = x * y End Function 6. 在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Static x As Integer x = 10 y=5 y = f(x) Print x; y End Sub 程序运行后,如果单击命令按钮,则在窗体上显示的内容是 (A)10 5 (B)20 5 (C)20 40 (D)10 40 7. 对窗体编写如下代码: Option Base 1 Private Sub Form_KeyPress( KeyAscii As Integer) a = Array (123 , 86 , 57 , 248 , 32) m1 = a ( 1 ) m2 = 1 If KeyAscii = 13 Then For i=2 To 5 If a ( i ) > m1 Then m1 = a ( i ) m2 = i End If Next i End If Print m1 , m2 End Sub 程序运行后,按回车键,输出结果为( 【76】 ) (A)32 5 (B)248 4 (C)32 1 (D)248 5 设有如下通用过程: Public Sub Fun(a(), ByVal x As Integer) For i = 1 To 5 x = x + a(i) Next End Sub 8. 在窗体上画一个名称为Text1的文本框和一个名称为Command1的命令按钮,然后编写如下的事件过程: Private Sub Command1_Click() Dim arr(5) As Variant For i = 1 To 5 arr(i) = i Next n = 10 Call Fun(arr(), n) Text1.Text = n End Sub 程序运行后,单击命令按钮,则在文本框中显示的内容是 (A)10 (B)15 (C)25 (D)24 9. 阅读程序: Function Func ( a As Integer ) b = 1 Static c As Integer b = b +1 c = c +1 Func = a + b + c End Function Private Sub Command1_Click( ) Dim a As Integer a = 3 For i =1 to 3 Print Func( a ) Next i End Sub 运行上面的程序,单击命令按钮后,输出结果为( 【77】 ) (A)6 (B)6 (C)6 (D)6 7 6 8 13 8 6 10 21 10. 在窗体上画一个名称为Command1的命令按钮,然后编写如下代码: Option Base 1 Private Sub Command1_Click() d = 0 c = 10 x = Array(10, 12, 21, 32, 24) For i = 1 To 5 If x(i) > c Then d = d + x(i) c = x(i) Else d = d-c End If Next i Print d End Sub 程序运行后,如果单击命令按钮,则在窗体上输出的内容为 (A)89 (B)99 (C)23 (D)77 相关资料 |