Private Sub Command1_Click()

  Dim sjzs As Integer

  Dim rjzs As String

  sjzs = Val(Text1.Text)

  rjzs = ""

  Do While Int(sjzs / 2) > 0

    rjzs = Str(sjzs Mod 2) + rjzs

    sjzs = Int(sjzs / 2)

  Loop

  Label1.Caption = rjzs

End Sub

Private Sub Cnd1_Click( )

   Dim W As Integer，T As String

   W = Val（Txt1.Text）

   T = ”Y”

   If  W < > 100 and W > 80 Then T = ”N”

   Txt2.Text = T

End Sub

I=0

P=0

DO WHILE P<10

  P=P+I

  I=I+2

LOOP

PRINT P

a = 1

b = 0

m = a

x = m + b

b = b + 1

y = x + b

它的基本结构属于（   ）

x = InputBox("输入x的值：")

If x > 3 Then

   If x <= 6 Then

     y = 2 * x

   Else

     y = 3 * x

   End If

Else

   y = 4 * x

End If

Print y若x、y均是整型变量，程序运行并输入6，则y的值是（   ）

a = 3

b = 9

c = a + b

If c = 12 Then py = "正确" Else py = "不正确"

分析该程序段，下列说法正确的是（  ）