Private Sub Command1_Click()

    Dim s As String, s1 As String, c As String

    s = Text1.Text

    For i = 1 To Len(s)

        c = Mid(s, i, 1)

        s1 =    ⑴   

        For j =    ⑵   

            If c <> Mid(s, j, 1) Then

                s1 = s1 + Mid(s, j, 1)

            End If

        Next j

           ⑶    

    Next i

Text2.Text = s

End Sub

For i=1 To 5

    a(i)=Int (Rnd*9) +1

Next i

For i= 1 To 5

    If i Mod2=0 Then

        a(i) = a(i)\i

    Else

        a(i)= a(i) Mod i

    End If

Next i

执行该程序段后，在下列选项中a(1)至a(5)各元素可能是（    ）

s=1

for i in range(_):

    s=s+i print(s) 

item={"竞技类":["铁人三项","电子竞技","霹雳舞"],"球类":["足球","篮球","乒乓球"],

"对抗性":["拳击","跆拳道","卡巴迪","击剑"],"水上":["跳水","龙舟","帆船"]}

print(item["对抗性"][2][::-1])

执行该程序段后，输出的结果是（     ）