![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
设有整型变量s,取值范围为0~100,表示学生的成绩,有如下: If s >= 90 Then Level = "A"ElseIf s >= 75 Then Level = "B"ElseIf s >= 60 Then Level = "C"Else Level = "D"End If下面用Select Case结构改写上述程序,使两段程序所实现的功能完全相同,请填空。 Select Case s Case _______ >= 90 Level = "A" Case 75 To 89 Level = "B" Case 60 To 74 Level = "C" Case Else Level = "D"End Select