vb 教材
答案
八年级地理上册填图题岩土工程勘察试题省略号的作用及举例应急救援安全知识车间5s试题及答案
第一章:
一:选择题
1-5 CCCCA 6-10 CBACA 11 A
二:填空题
1: 视图 工具箱
2: 对象 事件驱动
3: 代码 窗体设计器 4: 属性 方法 事件
5: 对象的特征
6: 一个对象可执行的动作 7: 属性窗口 赋值语句 三:简答题
1:略
2:略
四:编程题
【属性窗口设置】
Caption 这是我的第一个练习 【代码窗口设置】
Private Sub Form_Click()
Print '我可以用Visual Basic语言编写程序了~'
End Sub
第二章:
一:选择题
1-5: BDDCA 6-10: CBADD
11-15: DDBDB
16-20: DBCDC 21-23: CCD
二:填空题
1: Value
2: 下拉列表框
3: Scroll
4: LargeChange 5: ASCII码
6: Enabled 7: ListCount 8: PopupMenu 9: Alt
10:复选
11:CommonDialog1.ShowColor 或者: ShowColor
12:Flags
13: 1
14:-
15:GFED
第三章
一:选择题
1-5: ADADC
6-10: BCBDB
11-15:BBCBB
16-20:DCADA
21-25:ABCBB
26-30:DBBCB
31-34:BBDD
二:填空题
1: Right(CStr(x),1) & Left(CStr(x),1)
2: x Mod 5=0 Or x Mod 9=0
3: False
4: CDEF
5: s>='A' And s<='Z' Or s>='a' And s<='z'
6: x>=0 And x<100 7: Int(Rnd*(X-2)+3) 8: Sqr(cos(23*3.14/180)/(x^2*Log(y)))
9: -4 -5 -4
10:'请输入圆的半径:' '求圆的面积' 2 11:'圆的半径值必须介于1到10之间,请重输' 48 '求圆的面积'
第四章
一:选择题
1-5: DCDAC
6-10: CCBDC
二:填空题
1: 4.8
20
2: y=11
3: 1~+2~+3~+4~+5~
4: 9
k
(学生我认为该题有错,应把其中的 n 改成 k) 5: 0
n
6: 2
7: x>=0
x>max
8: 5 7
13 12
14 11
9: sum=0
sum+j
st & k & '+'
10: 4
11
10
11: i + 1
List1.RemoveItem j
12: Combo1.List(i)=Combo1.Text
flag=false
Combo1.AddItem Combo1.Text 三:编程题
1:
Private Sub Form_Click() Dim x As Single
x = Val(InputBox('请输入一个x的值:')) If x <= 0 Then
fx = -1
ElseIf x < 1 Then
fx = Sqr(x)
Else
fx = x ^ 3 + 2
End If
MsgBox ('运算结果为:' & fx)
End Sub
2:
Private Sub Form_Click() Dim n As Integer, k As Integer, s As String
n = Val(InputBox('请输入一个正整数:')) k =2
s = n & '='
Do
If n Mod k = 0 Then s = s & k & '*'
n = n \ k
Else
k = k + 1
End If
Loop Until n = k
s = s & k
Print s
End Sub
3:
Private Sub Form_Click() Dim s As String, i As Integer Dim a As Integer, b As Integer, c As Integer, d As Integer, e As Integer
s = Text1.Text
For i = 1 To Len(s)
If Mid(s, i, 1) >= '0' And Mid(s, i, 1) <= '9' Then
If Val(Mid(s, i, 1)) Mod 2 <> 0 Then
a = a + 1
Else
b = b + 1
End If
ElseIf Mid(s, i, 1) >= 'A' And Mid(s, i, 1) <= 'Z' Then
c = c + 1
ElseIf Mid(s, i, 1) >= 'a' And Mid(s, i, 1) <= 'z' Then
d = d + 1
Else
e = e + 1
End If
Next i
Print '奇数个数为:'; a
Print '偶数个数为:'; b
Print '大写字母个数为:'; c
Print '小写字母个数为:'; d
Print '其他字符个数为:'; e
End Sub
4:
Private Sub Form_Click() Dim n As Integer, sum As Integer
n = Val(InputBox('请输入一个正整数:')) Do Until n = 0
sum = sum + n Mod 10 n = n \ 10
Loop
MsgBox ('各位数字之和为:' & sum) End Sub
5:
Private Sub Form_Click() Dim n As Long, i As Integer, L As Integer
n = Val(InputBox('请输入一个正整数:')) L = Len(CStr(n))
For i = 1 To L / 2
If Mid(CStr(n), i, 1) <> Mid(CStr(n), L, 1) Then
Exit For
End If
L = L - 1
Next i
If i > L / 2 Then
MsgBox ('该数是回文数。')
Else
MsgBox ('该数不是回文数。')
End If
End Sub
6:
Private Sub Command1_Click()
Dim a As Integer, b As Integer, c As Integer
For a = 1 To 30
For b = 1 To 30
For c = 1 To 30
If a ^ 2 + b ^ 2 = c ^ 2 And a < b Then
Print a, b, c
End If
Next c
Next b
Next a
End Sub
第五章
一:单选题
1-5: BCBBD
6-8: DAB
二:编程题
1:
Option Base 1
Private Sub Command1_Click()
Dim a(15) As Integer, i As Integer, j As Integer
Do
j = Int(Rnd * 90) + 10 If j Mod 2 <> 0 Then i = i + 1
a(i) = j
Label1.Caption = Label1.Caption & Str(a(i))
End If
Loop Until i = 15
For i = 1 To 14
For j = i + 1 To 15 If a(i) < a(j) Then t = a(i)
a(i) = a(j)
a(j) = t
End If
Next j
Label2.Caption = Label2.Caption & Str(a(i))
Next i
Label2.Caption = Label2.Caption & Str(a(i))
End Sub
2:
Option Base 1
Private Sub Form_Click() Dim a(10) As Integer, i As Integer, Max As Integer, Min As Integer, sum As Integer
For i = 1 To 10
a(i) = Int(Rnd * 90) + 10 Print a(i);
sum = sum + a(i)
Next i
Print
Max = a(1)
Min = a(1)
For i = 2 To 10
If a(i) > Max Then
Max = a(i)
ElseIf a(i) < Min Then Min = a(i)
End If
Next i
Print '最大数为:'; Max
Print '最小数为:'; Min
Print '平均值为:'; sum / 10
End Sub
3:
Private Sub Form_Click() Dim a(0 To 25) As Integer, idx As Integer, i As Integer, S As String, ch As String * 1
S = InputBox('请输入一个字符串:')
Print '输入的字符串为:'; S
For i = 1 To Len(S) ch = Mid(S, i, 1)
If ch >= 'A' And ch<= 'Z' Then
idx = Asc(ch) - Asc('A') a(idx) = a(idx) + 1 ElseIf ch >= 'a' And ch <= 'z' Then
idx = Asc(ch) - Asc('a') a(idx) = a(idx) + 1 End If
Next i
Print '统计结果如下:'
For i = 0 To 25
Print Chr(Asc('A') + i); ':'; a(i); '次'
Next i
End Sub
4:
Option Base 1
Private Sub Form_Click() Dim a() As Integer, m As Integer, n As Integer
Dim i As Integer, j As Integer, Max As Integer
m = Val(InputBox('请输入行数:'))
n = Val(InputBox('请输入列数:'))
ReDim a(m, n)
For i = 1 To m
For j = 1 To n
a(i, j) = Int(Rnd * 90) + 10 Print a(i, j);
If a(i, j) > Max Then Max = a(i, j)
Next j
Print
Next i
Print
For i = 1 To m
For j = 1 To n
If a(i, j) = Max Then Print '最大元素是:'; a(i, j);
Print '行号:'; i;
Print '列号:'; j
End if
Next j
Next i
End Sub
5:
Option Base 1
Private Sub Form_Click() Dim a(5, 5) As Integer, i As Integer, j As Integer
Dim sum1 As Integer, sum2 As Integer, sum3 As Integer
Print '随机生成数组元素:'
For i = 1 To 5
For j = 1 To 5
a(i, j) = Int(Rnd * 9) + 1 Print a(i, j);
sum3 = sum3 + a(i, j) If i = 1 Or i = 5 Or j = 1 Or j = 5 Then
sum2 = sum2 + a(i, j) End If
Next j
Print
Next i
For i = 1 To 5
sum1 = sum1 + a(i, i) + a(i, 6 - i)
Next i
sum1 = sum1 - a(3, 3) Print '对角线元素之和为:'; sum1 Print '所有靠边元素之和为:'; sum2 Print '所有数组元素之和为:'; sum3 End Sub
6:
Option Base 1
Private Sub Form_Click()
Dim a() As Integer, b() As Integer, n As Integer, k As Integer, i As Integer, j As Integer
n = Val(InputBox('请输入n=', , 9)) + 1
ReDim a(n + 1, n + 1), b(n + 1, n + 1)
k = 8
For i = 1 To n
For j = 1 To i
a(i, 1) = 1
a(i, i) = 1
a(i + 1, j + 1) = a(i, j) + a(i, j + 1)
b(i, j) = a(i, j) Print b(i, j); ' '; Next j
Print
Next i
End Sub
第六章:
一:填空题
1: AFBECD
2: -5
5
3: 2
4
6
8
4: 33
5: 5
无输出
6: 1234
10
7: 0
8: 12 10
9: 2
4
6
7
10: 3 54 2 0 5 17 23
二:编程题
1:Private Sub Form_Click() Dim s As String, n As Integer s = InputBox('请输入待转数s=', 'N进制转十进制')
n = Val(InputBox('请输入该数的进制n=', 'N进制转十进制')) Print Convert(s, n)
End Sub
Private Function Convert(ByVal s As String, ByVal n As Integer) As Integer
Dim i As Integer, j As Integer For i = Len(s) To 1 Step -1 Convert = Convert + Mid(s, i, 1) * n ^ j
j = j + 1
Next i
End Function
2:要么由于资质太低,要么题意叙述不清。此题答案,仅供参考。 Private Sub Form_Click() Dim y As Single, n As Integer, t As Single
t = 1 / 2
y = t
n = 1
Do Until t <= 1E-5
n = n + 1
t = t / (2 * n)
y = y + t
Loop
Print y
End Sub
3:
Option Base 1
Dim a() As Integer
Private Sub Command1_Click() Dim n As Integer, i As Integer n = Val(InputBox('请输入数据个数', '工程1', 10)) ReDim a(n)
For i = 1 To n
a(i) = Int(Rnd * 90) + 10 Text1 = Text1 & CStr(a(i)) & ' ' Next i
End Sub
Private Sub Command2_Click()
Dim Max As Integer, Min As Integer, i As Integer, temp As Integer
Call Max_Min(Max, Min) For i = 1 To UBound(a) If a(i) = Max Then temp = a(1)
a(1) = a(i)
a(i) = temp
Exit For
End If
Next i
For i = 1 To UBound(a) If a(i) = Min Then temp = a(UBound(a)) a(UBound(a)) = a(i) a(i) = temp
Exit For
End If
Next i
For i = 1 To UBound(a) Text2 = Text2 & CStr(a(i)) & ' '
Next i
End Sub
Private Sub Max_Min(Max As Integer, Min As Integer)
Dim i As Integer
Max = a(1): Min = a(1) For i = 2 To UBound(a) If a(i) > Max Then Max = a(i)
ElseIf a(i) < Min Then Min = a(i)
End If
Next i
End Sub
Private Sub Command3_Click()
Text1.Text = ''
Text2.Text = ''
Command1.SetFocus
End Sub
4:
设计界面时:要将文本框的MultiLine属性设置成True ScrollBars属性设置成 2
Private Sub Command1_Click()
Dim i As Integer
For i = 1000 To 9999
If Mid(i, 1, 1) = Mid(i, 4, 1) And prime(i) And prime(exchange(i)) And i < exchange(i) Then
Text1 = Text1 & '(' & i & ' ' & exchange(i) & ')' & vbCrLf
End If
Next i
End Sub
Private Function prime(n As Integer) As Boolean
Dim k As Integer
For k = 2 To Sqr(n)
If n Mod k = 0 Then Exit Function Next k
prime = True
End Function
Private Function exchange(n As Integer) As Integer
Dim t As String * 1, s As String s = CStr(n)
t = Mid(s, 2, 1)
Mid(s, 2, 1) = Mid(s, 3, 1) Mid(s, 3, 1) = t
exchange = s
End Function
Private Sub Command2_Click() Text1.Text = ''
Command1.SetFocus
End Sub
Private Sub Command3_Click() End
End Sub