以下程序段执行后，Label1.Text结果是（ ）。 Label1.Text="" For i = 7 To 1 Step -1 If i Mod 3 = 0 Then Exit For Label1.Text &= i & " " Next

以下程序段执行后，Label1.Text结果是________。Label1.Text=""For i = 7 To 1 Step -1 If i Mod 3 = 0 Then Exit For Label1.Text &= i & " "Next A: 7 6 B: 7 C: 7 5 4 2 1 D: 6 3

以下程序段执行后，Label1.Text结果是________。Label1.Text=""For i = 7 To 1 Step -1 If i Mod 3 = 0 Then Exit For Label1.Text &= i & " "Next A: 7 6 B: 7 C: 7 5 4 2 1 D: 6 3

以下程序段执行后，Label1.Text结果是________。Label1.Text=""For i = 7 To 1 Step -1 If i Mod 3 = 0 Then Exit For Label1.Text &= i & " "Next A: 7 6 B: 7 C: 7 5 4 2 1 D: 6 3

以下程序段执行后，Label1.Text结果是________。Label1.Text=""For i = 7 To 1 Step -1 If i Mod 3 = 0 Then Exit For Label1.Text &= i & " "Next A: 7 6 B: 7 C: 7 5 4 2 1 D: 6 3

以下程序段执行后，Label1.Text结果是________。Label1.Text=""For i = 7 To 1 Step -1 If i Mod 3 = 0 Then Exit For Label1.Text &= i & " "Next A: 7 6 B: 7 C: 7 5 4 2 1 D: 6 3

以下程序段执行后，Label1.Text结果是________。Label1.Text=""For i = 7 To 1 Step -1 If i Mod 3 = 0 Then Exit For Label1.Text &= i & " "Next A: 7 6 B: 7 C: 7 5 4 2 1 D: 6 3

以下程序段运行后，Label1.Text结果是_________。Label1.Text = ""For i = 1 To 6 If i Mod 2 = 0 Then Label1.Text = i EndifNext A: 6 B: 135 C: 246 D: 123456 E: 24

以下程序段运行后，Label1.Text结果是_________。Label1.Text = ""For i = 1 To 6 If i Mod 2 = 0 Then Label1.Text = i EndifNext A: 6 B: 135 C: 246 D: 123456 E: 24

下列程序运算后，Label1结果显示的是： Dim x As Integer Dim S As String x = 20 S = "2020" x = x Mod 3 Select Case x Case 0 Label1.Text = "A" Case 1 Label1.Text = "B" Case 2 Label1.Text = "C" Case Else Label1.Text = "D" End Select