第1题:
阅读程序: Option Base 1 Dim arr()As Integer Private Sub Form_Click() Dim i As Integer,j As Integer ReDim arr(3,2) For i=1 To 3 For j=1 To 2 arr(i,j)=i*2+j Next j Next i ReDim Preserve arr(3,4) For j=3 To 4 arr(3,j)=j+9 Next j Print arr(3,2)+arr(3,4) End Sub 程序运行后,单击窗体,输入结果为______。
A. 21
B.13
C.8
D.25
第2题:
以上程序段运行的结果是:______. Dim a(-1 To 5) As Boolean Dim flag As Boolean flag = False Dim i As Integer Dim j As Integer Do Until flag = True For i = -1 To 5 j=j+1 if a(i)= False Then a(i)= True Exit For End If If i = 5 Then flag = True End If Next Loop Print j
A.20
B.7
C.35
D.8
第3题:
以下程序的输出结果是 ______。 Dim n(2,2), i, j As Integer For i = 0 To 2 For j = 0 To 2 n(i,j) = i + j Next j Next i For i = 0 To 1 For j = 0 To 1 n(i+ 1 ,j + 1) = n(i + 1,j + 1) + n(i, j) Next j Next i Print n(i, j)
A.14
B.0
C.6
D.值不确定
第4题:
下列程序共执行了______次循环。Private Sub Command1_ Click () Dim intsum As Integer Dim i AS Integer Dim j As Integer i = 1 j = 1 do do intsum = intsum + j =j+2 Print j; Loop until j >3 i = i+1 Loop until i>17 Print Print intsumEnd Sub
A.14
B.15
C.14
D.13
第5题:
A. 3
B. 4
C. 9
D. 10
第6题:
下列程序段的执行结果为 ______。 Dim m(3,3)As Integer Dim i As Integer Dim j As Integer Dim x As Integer For i=1 To 3 m(i,i)=i Next For i=0 To 3 For j=0 To 3 x=x+m(i,j) Next Next Print x
A.3
B.4
C.5
D.6
第7题:
在窗体上绘制一个名称为Label1的标签,然后编写如下事件过程: Private Sub Form_Click() Dim arr(10,10)As Integer Dim i As Integer,j As Integer For i =2 To 4 For j =2 To 4 arr(i,j)=i*j Next j Next i Label1.Caption=Str(arr(2,2)+arr(3,3)) End Sub 程序运行后,单击窗体,在标签中显示的内容是( )。
A.12
B.13
C.14
D.15
第8题:
在窗体上画一个名称为Labell的标签,然后编写如下事件过程: Private Sub Form_Click() Dim arr(10,10)As Integer Dim i As Integer,j As Integer For i =2 To 4 For j=2 To 4 arr(i,j)=i*j Next j Next i Labell.Caption=Str(arr(2,2)+arr(3,3)) End Sub 程序运行后,单击窗体,在标签中显示的内容是
A. 12
B.13
C.14
D.15
第9题:
当Form1_Click事件发生时,窗体上显示的第三行是( )。 Option Base 1 Private Sub Form_Click() Dim i As Integer,j As Integer Dim k As Integer,a(5,5)As Integer For i=1 To 5 k=1 For j=1 To 5 If i<=j Then a(i,j)=k k=k+1 Else a(i,j)=1 End If Next j Next i For i=1 To 5 For j=1 To 5 Print a(i,j); Next j Print Next i End Sub
A.1 2 3 4 5
B.1 1 2 3 4
C.1 1 1 2 3
D.1 1 1 1 2
第10题:
以下程序段运行的结果是______。 Dima(-1 To 5)As Boolean Dim flag As Boolean flag=False Dim i As Integer Dim j As Integer Do Until flag=True For i=-1 To 5 j=j+1 If a(i)=False Then a(i)=True Exit For End If If i=5 Then flag=True End If Next Loop Print j
A.20
B.7
C.35
D.8