下列程序运行时输出的结果是( )。 Option Base 1 Const a=10 Private Sub Form. Click() Dim x(a)As Integer k=-1 For i=1 To a x(i)=i*k k=(-1)*k Next i For i=1 To 10 Print x(i) Next i End Sub
【简答题】Certain species disappeared or became ________ as new forms arose that were better adapted to the Earth’s changing environment. A) feeble B) extinct C) massive D) extinguished