第1题:
单击窗体时,下列程序的执行结果是
Private Sub Invert(ByVal xstr As String, ystr As String)
Dim tempstr As String
Dim I As Integer
I=Len(xstr)
Do While I >=1
tempstr=tempstr + Mid(xstr, I, 1)
I=I - 1
Loop
ystr=tempstr
End Sub
Private Sub Form_Click()
Dim s1 As String, s2 As String
s1= "abcdef"
Invert s1, s2
Print s2
End Sub( )。
A.abcdef
B.afbecd
C.fedcba
D.defabc
第2题:
在窗体上画一个命令按钮和两个文本框,其名称分别为Command1、Text1和Text2,然后编写如下程序: Dim S1 As String,S2 As String Private Sub Form_Load() Text1.Text="" Text2.Text="" End Sub Private Sub Text1_KeyDown(KeyCode As Integer,Shift As Integer) S2=S2 & Chr(Keycode) End Sub Private Sub Text1_KeyPress(KeyAscii As Integer) S1=S1 & Chr(KeyAscii) End Sub Private Sub Command1_Click() Text1.Text=S2 Text2.Text=S1 S1="" S2="" End Sub 程序运行后,在Text1中输入“abc”,然后单击命令按钮,在文本框Text1和Text2中显示的内容分别为______。
A.abc和ABC
B.abc和abe
C.ABC和abc
D.ABC和ABC
第3题:
在窗体上画一个命令按钮和两上文体,其名称分别为 Command1 、 Text1 和 Text2 ,然后编写如下程序:
Dim S1 As String, S2 As String
Private Sub Form_Load()
Text1. Text=””
Text2. Text=””
End Sub
Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer)
S2=s2 & Chr(KeyCode)
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
S1=S1 & chr(KeyAscii)
End Sub
Private Sub Command1_Click()
Text1.Text=S2
Text2.Text=S1
S1=""
S2=""
End Sub
程序运行后,在Text1中输入"abc",然后单击命令按钮,在文本框 Text1 和 Text2 中显示的内容分别为( )。A.abc 和 ABC
B.abc 和 abc
C.ABC 和 abc
D.ABC 和 ABC
第4题:
下面子过程语句说明合法的是
A.Sub f1(s1 As String*8)
B.Sub f1(n()As Integer)As Integer
C.Function f1(f1 As Integer)As Integer
D.Function f1(By Val n As Integer)
第5题:
以下程序用于求S=1+3+32+33+…+310的值。
Private Sub Commandl_Click()
S=1
T=1
ForI=1 To 10
T=______
S=S+T
NextI
Print"S=";S
End Sub
第6题:
( 30 )下面程序的输出结果是
Private Sub Command1_Click()
ch$= ” ABCDEF ”
proc ch
Print ch
End Sub
Private Sub proc(ch As String)
S= ””
For k=Len(ch) To 1 Step-1
s=s&Mid(ch,k,1)
Next k
ch=s
End Sub
A ) ABCDEF
B ) FEDCBA
C ) A
D ) F
第7题:
A、Sub S1(ByVal n!())
B、Sub S1(n!) as Integer
C、 Function S1%(S1%)
D、 Function S1(ByVal n!)
第8题:
下列程序的执行结果为
Private Sub Command1_Click()
Dim s1 As String, s2 As String
s1= "abcd"
Call Transfer(s1, s2)
Print s2
End Sub
Private Sub Transfer (ByVal xstr As String, ystr As String)
Dim tempstr As String
i=Len(xstr)
Do While i >=1
tempstr=tempstr + Mid(xstr, i, 1)
i=i - 1
Loop
ystr=te mpstr
End Sub( )。
A.dcba
B.abdc
C.abcd
D.dabc
第9题:
设窗体上有一个文本框Text1和一个命令按钮Command1,并有下列事件过程: Private Sub Command1_Click() Dim s As String,Ch As String s="" For k=1 To Len(Text1) ch=Mid(Text1,k,1) s=ch+s Next k Text1.Text=s End Sub 程序执行时,在文本框中输入“Basic”,然后单击命令按钮,则Text1中显示的是( )。
A.Basic
B.cisaB
C.BASIC
D.CISAB
第10题:
假定有以下函数过程: Function Fun(S As String)As String Dimsl As String Fori=1 To Len(S) s1=UCase(Mid(S,i,1))+s1 Nexti Fun=s1 End Function 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Commandl_Click() DimStrl As String,Str2 As Str
A.abcdefg
B.ABCDEFG
C.gfedcba
D.GFEDCBA