键盘上主键盘区的上挡键为()。
A、Shift
B、Capsloc
C、Backspace
D、Tab
参考答案:A
对窗体编写如下事件过程: Private Sub Form _ MouseDown(BuRon 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
既能清热平喘,又能通络、利尿的药物是()
A.地龙
B.生地
C.磁石
D.滑石
E.石膏