1.当运行程序时,系统自动执行启动窗体的某个事件过程。这个事件过程是( )A)LoadB)ClickC)UnloadD)GotFocus 2.无论何控件,都具有一个共同属性。这个属性是( )A)TextB)FontC)NameD)Caption 3.在一行内写多条语句时,语句之间要用某个符号分隔。这个符号是( )
A),
B);
C)、
D):
4.表达式3∧2*2+3 MOD 10\4的值是( )
A)18
B)1
C)19
D)0
5.下面的变量名合法的是( )
A)k_name
B)k ame
C)name
D)k-name
6.设有如下变量声明Dim time1 As Date,为变量time1正确赋值的表达式是( )
A)time1 = #11:34:04 #
B)time1 = Format(Time,"yy:mm:dd")
C)time1 = #"11:34:04"#
D)time1 = Format("hh:mm:ss",Time)
7.表达式12000 + "129" & 200屠波的值是( )
A)12329
B)"12129200"
C)"12000129200"
D)"12329"
8.若设a = 4,b = 5,则下列表达式值为真的是( )A)(True+a)>0 And b>10B)a>b Or b>10-aC)(False-b< 0) Eqv (a>b)D)a>b Xor b+3>5 9.当窗体上的文字或图形被覆盖或最小化后能恢复原貌,需要设置窗体的属性是( )
A)Appearance
B)Visible
C)Enable
D)Autoredraw
10.在窗体上画一个名称为Command1的命令按钮,编写以列程序:
Private Sub Command1_Click( )
Dim a As Integer
Static b As Integer
a = a + b
b = b + 4
Print a,b
End Sub
程序运行后,单击该命令按钮三次,屏幕上显示的值是( )
A)4 12
B)0 4
C)4 8
D)8 12
11.Visual Basic是一种面向对象的程序设计语言,构成对象的三要素是( )
A)属性、控件和方法
B)属性、事件和方法
C)窗体、控件和过程
D)控件、过程和模块
12.下列程序段错误的是( )
A)Dim a As Integer
a = array(1,2,3,4)
B)Dim a(),b()
a = array(1,2,3,4):b = a
C)Dim a As Variant
a = array(1,"asd",true)
D)Dim a() As Variant
a = array(1,2,3,4)
13.表达式String(1,"I am student") + Replace("am harass","rass","ppy") & "!"的值是( )
A)"I am happy!"
B)"I am student I am s am harass studentam happy!"
C)"I am student am harass!"
D)"I am student am happy!"
14.下列程序段中,能正常结束循环的是( )
A)I = 1
Do
I = I + 2
Loop Until I = 10
B)I = 5
Do
I = I + 1
Loop Until I < 0
C)I = 10
Do
I = I + 1
Loop Until I > 0
D)I = 6
Do
I = I - 2
Loop Until I = 1
15.引用列表框(List1)最后一个数据项应使用的表达式是( )
A)List1.List(List1.ListCount)
B)List1.List(List1.ListCount-1)
C)List1.List(ListCount)
D)List1.List(ListCount-1)
16.有如下程序:
Option Base 1
Private Sub Command1_Click()
Dim x,y(3,3)
x = Array(1,2,3,4,5,6,7,8,9)
For i = 1 To 3
For j = 1 To 3
y(i,j) = x(i*j)
If(j > = i) Then Print y(i,j);
Next j
Print
Next i
End Sub
运行时输入出的结果是( )
A)1 2 3
2 4 6
4 6 8
B)1 2 3
2 4 6
3 6 9
C)1
2 4
3 6 9
D)1 2 3
4 6
9
17.在窗体上画一个名称为Command1的命令按钮,编写如下程序:
Private Sub Command1_Click()
Print pl(3,7)
李天民End Sub
Public Function pl(x As Single,n As Integer) As Single
If n=0 Then
pl=1
Else
If n Mod 2=1 Then
pl=x*x+n
Else
P1=x*x-n
End If
End If
End Function
程序运行后,单击该命令按钮,屏幕上显示的结果是( )
A)2
B)1
C)0
D)16
18.以下属性和方法中,可重定义坐标系的是( )
A)DrawStyle属性
B)DrawWidth属性
C)Scale方法
全文搜索引擎D)ScaleMode属性
19.在窗体上画一个文本框,然后编写如下事件过程:
Private Sub Form_Load()
Text1.Text = ""
Text1.SetFocus
For i = 1 To 5
Sum = Sum +i
Next i
= Sum
End Sub
上述程序的运行结果是( )
A)在文本框中输出15
B)在文本框中输出0
C)在文本框中输出不定值
D)出错
20.已知x代表某个百分制成绩,下列程序段用于显示对应的五级制成绩,正确的是( )
A)If x > = 60 Then
Print "及格"
ElseIf x > = 70 Then
Print "中"
ElseIf x > = 80 Then
Print "良"
ElseIf x > = 90 Then
Print "优"
煤矿施工组织设计Else
Print "不及格"
End If
B)If x < 90 Then
Print "良"
易切削不锈钢
ElseIf x < 80 Then
Print "中"
ElseIf x < 70 Then
Print "及格"
ElseIf x < 60 Then
Print "不及格"
Else
Print "优"
End If
C)If x > = 90 Then
Print "优"
ElseIf x > = 80 Then
Print "良"
ElseIf x > = 70 Then
Print "中"
ElseIf x > = 60 Then
Print "及格"
Else
Print "不及格"
End If
D)Select Case x
Case x > = 90
Print "优"
Case x > = 80
Print "刘智仁良"
Case x > = 70
Print "中"
Case x > = 60
Print "及格"
Case Else
Print "不及格"
End Select