当汽车的车速从V1提高到2V1时,空气阻力是原来的()倍。A、1B、2C、4D、8

当汽车的车速从V1提高到2V1时,空气阻力是原来的()倍。

  • A、1
  • B、2
  • C、4
  • D、8

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有一过程如下:Sub Sub1(m As Integer,total As Long)Dim i As Integertotal=1For i=1 To mtotal=total*iNextEnd Sub调用它的事件过程如下:Private Sub Command1_Click()Dim tot As Long,a As Integera=Val(InputBox("请输入数据"))Call Sub1(a,tot)Print totEnd Sub则输入数据5,运行结果为【 】。

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