电荷分布在有限空间内,则任意两点P1、P2之间的电势差取决于()。
第1题:
阅读程序: Sub p( b () As Integer)For i =1To 4 b(i) = 2(iNext i End Sub Private Sub Command1_Click()Dim a (1 To 4) As Integer a(1)=5 a(2)=6 a(3)=7 a(4)=8 call p (a) For i=1 To 4 Print a(i) Next iEnd Sub运行上面的程序,单击命令按钮,输出结果为。
第2题:
要求当鼠标在图片框P1中移动时,立即在图片框中显示鼠标的位置坐标。下面能正确实现上述功能的事件过程是
A.Private Sub P1_MouseMove(Button As Integer,Shift As Integer,x As Single,Y As Single) Print X,Y End Sub
B.Private Sub P1_M0useDown(Button As Integer,Shift As Integer,X As Single,Y As Single) Picture.Print X,Y End Sub
C.Private Sub P1_MouscMove(Button As integer,Shift As Integer,X As Single,Y As Single) P1.Print X.Y End Sub
D.Private Sub Form_MouseMove(Button As Integer,Shift As Integer,x As Single,Y As Single) P1.Print X.Y End Sub
第3题:
单击一次命令按钮后,下列程序的执行结果是( )。 Private Sub Commandl_Click() s=P(1)+P(2)+P(3)+P(4) Print s End Sub Public FunctionP(N As Integer) Static Sum Fori=1To N Sum=Sum+i Nexti P=Sum End Function
A.15
B.25
C.35
D.45
第4题:
在窗体中添加一个名称为Com1的命令按钮,然后编写如下程序:
Private Sub s(ByVal p As Integer)
p=p*2
End Sub
Private Sub Com1_Click()
Dim i As Integer
i=3
Call s(i)
If i>4 Then i=i^2
End sub
窗体打开运行后,单击命令按钮,则消息框的输出结果为( )。
第5题:
设程序中有如下数组定义和过程调用语句: Dim a(10)As Integer … Call D(a) 如下过程定义巾,正确的是( )。
A.Private Sub p(a As Integer)
B.Private Sub p(a( )As Integer)
C.Private Sub p(a(10)As Integer)
D.Private Sub p(a(n)As Integer)
第6题:
下面程序: Private Sub Form. _Click () Dim x, y, z As Integer x=5 y=7 z=0 Call P1(x, y, z) Print Str (z) End Sub Sub P1 (ByVal a As Integer, ByVal b As Integer , c As Integer) c= a+b End Sub 运行后的输出结果为______。
A.0
B.12
C.Str(z)
D.显示错误信息
第7题:
运行以下程序后,输出结果为_____________。 Private Sub Command1_Click() a=1:b=2:c=3 Call test(a,b+3,(c)) Print "main:";a;b;c End Sub Private Function test(p,m,n) p=p+1:m=m+1:n=n+1 Print "sub:";p;m;n End Function
:A. sub:2 6 4 main:1 2 3
B. sub:2 6 4 main:2 2 3
C. sub:2 6 4 main:2 6 4
D. sub:2 6 4 main:1 6 4
第8题:
( 25 )要求当鼠标在图片框 P1 中移动时,立即在图片框中显示鼠标的位置坐标。下面能正确实现上述功能的事件过程是
A )
Private Sub P1_MouseMove ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
Print X,Y
End Sub
B )
Private Sub P1_MouseDown ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
Picture.Print X,Y
End Sub
C )
Private Sub P1_MouseMove ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
P1.Print X,Y
E n d S u b
D )
Private Sub Form_MouseMove ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
P1.Print X,Y
End Sub
第9题:
下列程序的执行结果是______。
PrivateFunctionP(NASInteger)
Fori=1 To N
SUM=SUM+i
Nexti
P=SUM
End Function
Privte Sub Commandl_Click()
S=P(1)+P(2)+P(3)+P(4)
Print S
End Sub
第10题:
单击一次命令按钮后,下列程序的执行结果是 Private Sub Command1_Click() s=P(1) +P(2) +P(3) +P(4) Print s End Sub Public Function P(N As Integer) Static Sum For i=1 To N Sum=Sum+i Next i P=Sum End Function
A.15
B.25
C.35
D.45