S=“7218634594”：n=Len(s)
t=0
For i=1 To n-1
a(i)=Val(Mid(s，i，2))
Next i
For i=1 To n-2 Step 2
k=i
For j=i+2 To n-1 Step 2
If a(i)<a(k)Then k=j
Next j
If k<>i Then
temp=a(i)：a(i)=a(k)：a(k)=temp：t=t+1
End If
Next i
Text1．Text=Str(t)
运行程序段后， t的值为（ ）
回答下列问题：
Private Sub Command1 Click（）
Dim m As Integer，n As Integer
Dim gys As Integer
m=Val(Text1．Text)
n=Val(Text2．Text)
a=m：b=n
Do While m<>n
If ① Then m=m-n Else n=n-m
Loop
gys=n
Label3．Caption=“最小公倍数是：”+ ②
End Sub
① ②
Private Sub Command1_Click（）
Dim s1 As String，s2 As String
Dim ch As String，ch2 As String
Dim max As Double
Dim n As Integer，page As Integer
Dim i As Integer，j As Integer
s1=Text1．Text：s2=””
n=Len(s1)
i=1：max=0
Do While i<=n
ch=Mid(s1，i，1)
If ch>=“0”And ch<=“9”Then
j=i
ch2=Mid(s1，i，1)
Do While ch2>=“0”And ch2<=“9”
j=j+1
ch2=Mid(s1，j, 1)
Loop
s2=
’(1)
If 
Then ’(2)
max=Val(s2)
page=i*10+j-1
Text2．Text=Str(page)
Text3．Text=Str(max Mod l00)
End If
i=j
End If
i=i+1
Loop
End Sub
Const n=3500 ’存储单词的总数
Dim a(1 To n)As String ’依次存储每个英语单词
Dim b(1 To n) As Strin9 ’依次存储每个英语单词的中文含义
Private Sub Command1_Click()
Dim Conn As New ADODB．Connection
Dim rs As New ADODB．Recordset
Dim strSQL As String
conn．ConnectionString=“Provider=Microsoft．ACE．OLEDB．12．0；Data source=”&App．Path&“＼dictionary1．accdb”
strSQL=”select*from list”
conn．Open
Set rs．ActiveConnection=conn
rs．Open strSQL
num=0
Do While Not rs．EOF
num=num+1
a(mum)=rs．Fields(“英语单词”)
b(num)=rs．Fields(“中文含义”)
rs．MoveNext
Loop
rs．Close
conn．Close
Set rs=Nothing
Set conn=Nothing
For i==1 To n
List1．AddItem a(i)+“ ”+b(i)
Next i
End Sub
Private Sub Command2_Click()
Dim s As String
S=Text1．Text
If search(s)=-1 Then
Text2．text=“找不到该单词”
Else
Text2．Text= ①
End If
End Sub
Function search(key As String)As Integer
Dim i，j As Integer
Dim mid1，mid2 As Integer
i=1：j=n
search=-1
Do While i<=j
mid1=Int(j+(j—i)／3)
mid2=Int(j-(j-i)／3)
If key=a(mid1)Then
search=mid1
Exit Do
ElseIf key<a(mid1)Then
j=mid1-1
ElseIf key=a(mid2)Then
search=mid2
Exit Do
Elself key>a(mid2)Then
i=mid2+1
Else
i=mid1+1
②
End If
Loop
End Function
① ②
