Sub msgbox_question()
Dim a, b, i, j, k, answer, correct_answer, erro_answer As Integer
Dim start_time, end_time
Dim cr As Integer '第一行空行的行标
With Sheets("Sheet1")
On Error Resume Next
a = Sheet1.UsedRange.Rows.Count '数行数，当前单元格
MsgBox (Chr(9) & "本次测试共有" & (a - 1) * 3 & "个题目," _
& Chr(10) _
& Chr(10) _
& Chr(9) & "下面，开始做题了")
start_time = Now()
correct_answer = 0
erro_answer = 0
For i = 2 To a
answer = Int(InputBox(Range("b" & i), "请输入答案" & i - 1 & "/" & (a - 1) * 3)) '需要最后规范为整形变量
If answer = Range("c" & i).Value Then
correct_answer = correct_answer + 1
Else
MsgBox ("错误，正确答案是：" _
& Chr(10) _
& Chr(9) & Range("c" & i))
erro_answer = erro_answer + 1
With Sheets("错题记录")
cr = .[a65536].End(xlUp).Row + 1
.Cells(cr, 1) = Range("b" & i)
End With
End If
Next
For j = 2 To a
answer = Int(InputBox(Range("d" & j), "请输入答案" & i + j - 3 & "/" & (a - 1) * 3)) '需要最后规范为整形变量
If answer = Range("e" & j).Value Then
correct_answer = correct_answer + 1
Else
MsgBox ("错误，正确答案是：" _
& Chr(10) _
& Chr(9) & Range("e" & j))
erro_answer = erro_answer + 1
With Sheets("错题记录")
cr = .[a65536].End(xlUp).Row + 1
.Cells(cr, 1) = Range("d" & j)
End With
End If
Next
For k = 2 To a
answer = Int(InputBox(Range("f" & k), "请输入答案" & i + j + k - 5 & "/" & (a - 1) * 3)) '需要最后规范为整形变量
If answer = Range("g" & k).Value Then
correct_answer = correct_answer + 1
Else
MsgBox ("错误，正确答案是：" _
& Chr(10) _
& Chr(9) & Range("g" & k))
erro_answer = erro_answer + 1
With Sheets("错题记录")
cr = .[a65536].End(xlUp).Row + 1
.Cells(cr, 1) = Range("f" & k)
End With
End If
Next
end_time = Now()
MsgBox ("答题结束，一共回答" & correct_answer + erro_answer & "道题" _
& Chr(10) _
& "回答正确" & correct_answer & "道题" _
& Chr(10) _
& "回答错误" & erro_answer & "道题" _
& Chr(10) _
& "正确率为" & Round(correct_answer * 100 / (correct_answer + erro_answer), 2) & "%" _
& Chr(10) _
& "用时" & Second(end_time - start_time) & "秒")
End With
End Sub