填空题
窗体上有一个命令按钮，数据文件data.txt的内容如下：
"语文" "2001", 87
"数学" "2002", 75
"英语" "2003", 92
"体育" "2004", 66
Type bs
aa As String * 2
bb As String * 4
cc As Integer
End Type
Private Sub command1_Click(
Dim xs As bs
Dim fl As Integer
fl = FreeFile
Open "d:/data.txt" For Input As #fl
Do While Not EOF(fl)
Input #fl, xs. aa, xs .bb, xs.cc
List1.AddItem xs.bb
List1.AddItem xs.aa
List1.AddItem xs.cc
Loop
Print EOF(fl)
Close
End Sub
问：在列表框中第一行、第三行、第四行的内容是{{U}} 【12】 {{/U}}、{{U}} 【13】 {{/U}}、{{U}} 【14】 {{/U}}。窗体上打印出的是{{U}} 【15】 {{/U}}。