运行上面的程序,单击命令按钮,其输出结果是() A)4321 B)12 C)34 D)1234
22.在窗体上画一个命令按钮(其Name属性为Command 1),然后编写如下代码:
Option Base 1
Private Sub Command1_Click( )
Dim a(4,4) For i =1 To 4 For j =1 To 4 a(i,j) = (i-1)*3+j Next j Next i
For i =3 To 4 For j =3 To 4 Print a(j,i); Next j Print Next i End Sub
程序运行后,单击命令按钮,其输出结果为() A)6 9 B)7 10 7 10 8 11 C)8 11 D)9 12 9 12 10 13 23.假定有如下的Sub过程: Sub S(x As Single,y As Single)
t = x x =t/y y =t Mod y End Sub
在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click ( )
Dim a As Single Dim b As Single a =5 b =4 S a,b Print a,b End Sub
程序运行后,单击命令按钮,输出结果为() A)5 4 B)1 1 C)1.25 4 D)1.25 1
24.阅读程序:
Function F(a As Integer)
b = 0 Static c b = b+1 c = c+1 F = a+b+c End Function
Private Sub Command1_Click ()
Dim a As Integer a =2
For i =1 To 3 Print F(a) Next i End Sub
运行上面的程序,单击命令按钮,输出结果为() A)4 B)4 C)4 D)4 4 5 6 7 4 6 8 9 25.阅读程序:
Sub subP(b() As Integer) For i =1 To 4 b(i)=2*i Next i End Sub
Private Sub Command1_Click() Dim a(1 To 4)As Integer a (1)=5 a (2)=6 a (3)=7 a (4)=8 subP a () For i =1 To 4
Print a(i) Next i End Sub
运行上面的程序,单击命令按钮,输出结果为() A)2 B)5 C)10 D)出错 4 6 12 6 7 14 8 8 16
26.下列不能打开菜单编辑器的操作是()
A)按Ctrl+E B)单击工具栏中的“菜单编辑器”按钮
C)执行“工具”菜单中的“菜单编辑器”命令 D)按Shift + Alt + M
27.假定有一个菜单项,名为MenuItem,为了在运行时使该菜单项失效(变灰),应使用的语句为()
A)MenuItem. Enabled=False B)MenuItem. Enabled=True C)MenuItem. Visible=True D)MenuItem. Visible=False
28.在程序运行期间,如果拖动滚动条上的滚动块,则触发的滚动条事件是() A)Move B)Change C)Scroll D)GetFocus
29.假定窗体上有一个标签,名为Label1,为了使该标签透明并且没有边框,则正确的属性设置为()
A)Label1. BackStyle=0 B)Label1.BackStyle=1 Label1.Borderstyle=0 Label1.Borderstyle=1 C)Label1.BackStyle=True D)Label1.BackStyle=False Label1.BorderStyle=True Label1.Borderstyle=False
30.在窗体上画一个列表框和一个文本框,然后编写如下两个事件过程: Private Sub Form_Load ()
List1.AddItem\ List1.AddItem\ List1.AddItem\ Listl.AddItem\ Text1.Text=\ End Sub
Private Sub List1_ DblClick ( )
a =List1.Text
Print a+Text1.Text End Sub 程序运行后,在文本框中输入“789”(见图附录-1),然后双击列表框中的“456”,则输出结果为() 图附录-1
A)1245 B)456789 C)789456 D)0
31.为了暂时关闭计时器,应把该计时器的某个属性设置为False,这个属性是()
A)Visible B)Timer C)Enabled D)Interval 32.为了把一个记录型变量的内容写入文件中指定的位置,所使用的语句的格式为()
A)Get文件号,记录号,变量名 B)Get文件号,变量名,记录号 C)Put文件号,变量名,记录号 D)Put文件号,记录号,变量名
33.对窗体编写如下事件过程:
Private Sub Form _MouseDown(Button As Integer, Shift As Integer, X As Single, Y As
Single)
If Button =2 Then Print \ End If End Sub
Private Sub Form _ MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
Print \ End Sub
程序运行后,如果右击鼠标,则输出结果为() A)AAAAA B)BBBBB BBBBB AAAAA C)AAAAA D)BBBBB
34.为了在运行时能显示窗体左上角的控制框(系统菜单),必须() A)把窗体的Contro1Box属性设置为False,其他属性任意
B)把窗体的ControlBox属性设置为True,并且把Boder Style属性设置为1-5 C)把窗体的ControlBox属性设置为False,同时把BoderStyle属性调协为非0值
D)把窗体的ControlBox属性设置为True,同时把BoderStyle属性设置为0值
35.对窗体编写如下代码: Option Base 1
Private Sub Form_KeyPress(KeyAscii As Integer)
a = Array(237,126,87,48,498) m1 = a(1) m2 = 1
If KeyAscii = 13 Then For i =2 To 5 If a(i)>ml Then m1 =a(i) m2 =i End If Next i End If Print m1 Print m2 End Sub
程序运行后,按回车键,输出结果为() A)48 B)237 4 1 C)498 D)498 5 4
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