下列程序是在文本框中输入成绩,按回车后,根据成绩显示...
下列程序是在文本框中输入成绩,按回车后,根据成绩显示星级,如下图所示。星级成绩范围:90—100分为3星,75-89分为2星级,60-74分为1星级,小于60分0星级。Private Sub TextBox1_KeyPress(···) Handles TextBox1.KeyPress Dim m, n As Integer If Asc(_____(1)_____) = 13 Then m = Val(TextBox1.Text) Select Case _____(2)_____ Case 90 To 100 Label1.Text = m & "分3星" Case 75 To 89 Label1.Text = m & "分2星" Case 60 To 74 Label1.Text = m & "分1星" Case _____(3)_____ Label1.Text = m & "分0星" End Select End If End Sub 补全程序,在答题时,务必在答题框中写好题号和答案,如下: (1): _________ (2): _________ (3): _________