刀片服务器中某块“刀片”插入了4块500GB的SAS硬盘。若使用RAID 3组建磁盘系统，则系统可用的磁盘容量为(32)。

窗体的MouseDown事件过程如下： Form_MouseDown(Button As Integer，Shift As Integer，X As Single，Y As Single) 有4个参数，关于这些参数，正确的描述是 ______。

A．通过Button参数判定当前按下的是哪一个鼠标键

B．Shift参数只能用来确定是否按下Shift键

C．Shift参数只能用来确定是否按下Alt和Ctrl键

D．参数x和y用来设置鼠标当前位置的坐标

窗体的MouseDown事件过程 Form＿MouseDown(Button As Integer，Shift As Integer，X As SinSle，Y As Single) 有4个参数，关于这些参数，正确的描述是

A．通过Button参数判定当前按下的是哪一个鼠标键

B．Shift参数只能用来确定是否按下Shift键

C．Shift参数只能用来确定是否按下Alt和Ctrl键

D．参数x，y用来设置鼠标当前位置的坐标

窗体的MouseDown事件过程 Form_MouseDown(Button As Integer,Shift As Integer,X As Single，Y As Single)有4个参数，关于这些参数，正确的描述是()。

A．通过Button参数判定当前按下的是哪一个鼠标键

B．Shift参数只能用来确定是否按下Shift键

C．Shift参数只能用来确定是否按下Alt和Ctrl键

D．参数X、Y用来设置鼠标当前位置的坐标

对窗体编写如下事件过程： Private Sub Form_MouseDown(Button As Integer，Shift As Integer,X As Single， Y As Single) If Button=2 Then Print "AAAAA" End If End Sub Private Sub Form_MouseUp(Button As Integer，Shift As Integer，X As Single， Y As Single) Print "BBBBB" End Sub 程序运行后，如果单击鼠标右键，则输出结果为 ______ 。

A．AAAAA BBBBB

B．BBBBB

C．AAAAA

D．BBBBB AAAAA

A．Private Sub Form_MouseDown(Button As Integer，Shift As Integer,_X As Single，Y As Single) If Button=2 Then PopupMenu al,2 End Sub

B．Private Sub Form_MouseDown(Button As Integer，Shift As Integer,_X As Single，Y As Single PopupMenu al,0 End Sub

C．Private Sub Form_MouseDown(Button As Integer，Shift As Integer,_X As Single，Y As Single PopupMenu al End Sub

D．Private Sub Form. MouseDown(Button As Integer，Shift As Integer,_X As Single，Y As Single If(Button=vbLetfButton)Or(Button=vbRightButton)Then PopupMenu al End Sub

A.Private Sub Form_MouseDown(Button As Integer，_Shift As Integer，X As Single，

Y As Single)

If Button=1 And Blltton=2Then

PopupMenu a1

End If

End Sub

B.Private Stlb Form_MouseDown(Button As Integer，_Shift As Integer，X As Single，

Y As Single)

PopupMenu a1

End Sub

C.Private Sub Form—MouseDown(Button As Integer，_Shift As Integer，X As Single，

Y As Single)

If Button=1 Then

PopupMenu a1

End If

End Sub

D.Private Sub Form. MouseDown(Button As Integer，_Shift As Integer，X As Single，

Y As Single)

If Buttcn=2 Then

PopupMenu a1

End If

End Sub

A.Private Sub Form_MouseDown(Button As Integer，_Shift As Integer，X As Single， Y As Single) If Button=1 And Blltton=2Then PopupMenu a1 End If End Sub

B.Private Stlb Form_MouseDown(Button As Integer，_Shift As Integer，X As Single， Y As Single) PopupMenu a1 End Sub

C.Private Sub Form—MouseDown(Button As Integer，_Shift As Integer，X As Single， Y As Single) If Button=1 Then PopupMenu a1 End If End Sub

D.Private Sub Form. MouseDown(Button As Integer，_Shift As Integer，X As Single， Y As Single) If Buttcn=2 Then PopupMenu a1 End If End Sub

对窗体编写如下事件过程： Private Sub Form_MouseDown(Button As Integer，Shift As Integer,X As Single， Y As Single) If Button = 2 Then Print"AAAAA" End If End Sub Private Sub Form_MouseUp(Button As Integer，Shift As Integer，X As Single， Y As Single) Print "BBBBB" End Sub 程序运行后，如果单击鼠标右键，则输出结果为 ______。

A．AAAAA BBBBB

B．BBBBB

C．AAAAA

D．BBBBB AAAAA

对窗体编写如下事件过程： Private Sub Form_MouseDown(Button As Integer，Shift As Integer,X As Single， Y As Single) If Button = 2 Then Print"AAAAA" End If End Sub Private Sub Form_MouseUp(Button As Integer，Shift As Integer，X As Single， Y As Single) Print "BBBBB" End Sub 程序运行后，如果单击鼠标右键，则输出结果为 ______。

A．AAAAA BBBBB

B．BBBBB

C．AAAAA

D．BBBBB AAAAA

对窗体编写如下事件过程： Private Sub Form. MouseDown(Button As Integer，Shift As Integer, _ x As Single, Y As Single) If Button=2 Then Print "AAA" End If End Sub Private Sub Form. MouseUp (Button As Integer，Shift As Integer，_ x As Single，Y As Single) Print "BBB" End Sub 程序运行后，如果单击鼠标右键，则输出结果为 ______。

A．AAA BBB

B．BBB

C．AAA AAA

D．BBB