有如下 VB 程序段：
For i = 1 To 2
For j = 1 To 6 – i
If a(j) - a(j + 1) > 0 Then

t = a(j): a(j) = a(j + 1): a(j + 1) = t End If

Next j
Next i
Text1.Text = ""
For i = 1 To 6
Text1.Text = Str(a(i)) + Text1.Text
Next i
数组元素 a(1)到 a(6)的初值依次为 15，11，58，38，26，9，执行该程序段，文本框 Text1 显示的内容是（   ）

A．9 58 11 38 15 26	B．11 15 26 9 38 58
C．58 38 9 26 15 11	D．58 9 38 11 26 15

小王设计了一个Visual Basic小程序，该程序的功能是将一个二进制数转化为十六进制数。程序运行时，在文本框Text1输入二进制数（由0、1构成的数串），单击“转换”按钮Command1后，在文本框Text2中显示转换结果。程序运行界面如下图所示。

实现上述功能的程序代码如下所示，请在划线处填上合适的代码：
Private Sub Command1_Click()
Dim x As String, y As String,
Dim i As Integer, s As Integer, n As Integer, c As String
Dim q As String, h As String, ans As String
n = Len(Text1.Text)
y = Text1.Text
If n Mod 4 <> 0 Then ________________
For i = 1 To s
y = "0" + y
Next i
For i = 1 To n Step 4
________________________
If h = "0000" Then q = "0"
If h = "0001" Then q = "1"
If h = "0010" Then q = "2"
If h = "0011" Then q = "3"
If h = "0100" Then q = "4"
If h = "0101" Then q = "5"
If h = "0110" Then q = "6"
If h = "0111" Then q = "7"
If h = "1000" Then q = "8"
If h = "1001" Then q = "9"
If h = "1010" Then q = "A"
If h = "1011" Then q = "B"
If h = "1100" Then q = "C"
If h = "1101" Then q = "D"
If h = "1110" Then q = "E"
If h = "1111" Then ___________________ 
ans =_____________________  
Next i
Text2.Text =ans
End Sub

小王所在公司从2019年1月1日起，每工作3天休息2天。为此小王编写程序，用户判断2019年的某一天是上班还是休息。具体功能如下：在文本框Text1和Text2中分别输入月和日，点击“上班还是休息”按钮Cmd1，在标签Label2中输出结果，设计界面及运行界面如下图所示。
（1）鼠标单击按钮Cmd1执行的事件处理过程名是______________ 。
（2）实现上述功能的VB程序如下，请在划线处填入合适的代码

Private Sub Cmd1_Click()
Dim mdays As String, days As Integer
Dim i As Integer, m As Integer, d As Integer
m =①_________________ 'm是当前月份信息
d = Val(Text2.Text) 'd是天的信息
mdays = "312831303130313130313031"   '2019年各个月份对应的天数
days = 0
For i = 1 To m - 1 ’前几个月份的总天数
days = days +②__________________ 
Next i
days = days + d
If days Mod 5 = 4 Or ③______________  Then
Label2.Caption = "休息"
Else
Label2.Caption = "上班"
End If
End Sub
（3）若文本框text1中输入的内容是4，文本框Text2中输入的内容为“3”,点按钮后，标签label2中显示的内容是__________。

小明用VB程序编写了一个密码生成器，单击“生成密码”按钮生成一个8位数的密码，该密码必须同时包含数字、大写字母和小写字母，并在文本框Text1中显示。程序界面如下图所示。

（1）在设计程序界面时，要将文本框Text1中的内容清空，应修改该文本框的   属性。
（2）实现上述功能的VB程序如下，请在划线处填入合适代码。
Private Sub Command1_Click()
Const n = 8
Dim s As String
Dim a As Integer, i As Integer
Dim x As Boolean, y As Boolean, z As Boolean
x = False
y = False
z = False
Randomize
Do While ①  
s = ""
For i = 1 To n
a = Int(Rnd() * 62) + 1
If a <= 10 Then
x = True
s = s + Chr(a + Asc("0") - 1)
ElseIf a <= 36 Then
y = True
s = s + Chr(a + Asc("A") - 11)
Else
z = True
②
End If
Next i
Loop
Text1.Text = ③   
End Sub

以下VB代码运行结果为    。
Dim s as long
Dim k as integer
Dim j as integer
s=0
for k = 1 to 3
for j = 1 to k
s=s+1
next
next
print s

A．9

B．6

C．5

D．10