下面数组声明语句,( )正确。
A. Dim a(2,4)As Integer
B. Dim a[2,4] As Integer
C. Dim a(2 4)As Integer
Dim a(n,n)As Integer
下列语句中( )可以用来正确声明一个动态数组。
A. Private A(n) As Integer
B. Dim A(,) As Integer
C. Dim A() As Integer
Dim A(1 to n)
运行下列程序,当单击命令按钮Command1时,窗体第3行显示的内容是________。 Option Base 1 Private Sub Command1_Click() Dim a(4,4)As Integer For i = 1 To 4 For j = 1 To 4 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 4 For j = 1 To 4 Print a(i,j); Next j Print Next i End Sub
A. 1 2 3 1
B. 1 1 7 8
C. 3 4 5 1
D. 1 1 1 2
在窗体上添加一个命令按钮,然后编写以下程序: Option Base 1 Private Sub Command1_Click() Dim a(9)As Integer,b(3,3)As Integer For i = 1 To 9 a(i)= i Next i For i = 1 To 3 For j = 1 To 3 b(i,j)= a(j +(i - 1)* 3) Next j Next i For i = 1 To 3 Step 2 For j = 1 To 3 Print b(i,j); Next j Print Next i End Sub 运行程序后,单击命令按钮,输出结果是________。
A. 4 5 6 7 8 9
B. 1 4 7 3 6 9
C. 1 2 3 7 8 9
D. 1 2 3 4 5 6