【单选题】
Do you mind telling me where you’re from?
①
Certainly. I’m from London
②
Sure. I was born in London
③
Not really, you can do it
④
Certainly not. I’m from London
【单选题】
在窗体上画1个命令按扭(名称为Command1)和1个文本框(名称为Text1),然后编写如下事件过程:
???? Private Sub Command1_Click()
???? ? x=Val(Text1.Text)
???? ? Select Case x
???????? Case 1,3
????????????? y=x*x
???????? Case Is>=10,Is<=-10
????????????? y=x
???????? Case -10 To 10
????????????? y=-x
?End Select
?????? End Sub
程序运行后,在文本框中输入3,然后单击命令按扭,则以下叙述中正确的是______。