________Beijing you see today is quite ________ different city from what it used to be.
A：The; /
B：/; the
C：The; a
D：A; a
Private Sub Command1Click( )
Dim n As Integer
Dim a(1 To 10) As Integer
n = Val(Text1.Text)
s = 1
For i = 1 To n
s = s * i
a(i) = s
List1.AddItem Str(a(i))
Next i
End Sub
下列所描述的现象中，属于液化的是( )
