正弦交流电的数学表达式为i=Imsinwt,其中Im为()
A.瞬时值;
B.有效值;
C.最大值;
D.等效值。
- · 有4位网友选择 D,占比50%
- · 有2位网友选择 C,占比25%
- · 有1位网友选择 A,占比12.5%
- · 有1位网友选择 B,占比12.5%
A.瞬时值;
B.有效值;
C.最大值;
D.等效值。
有一过程如下:
Sub Sub1(m As Integer,total As Long)
Dim i As Integer
total=1
For i=1 To m
total=total*i
Next
End Sub
调用它的事件过程如下:
Private Sub Command1_Click()
Dim tot As Long,a As Integer
a=Val(InputBox("请输入数据"))
Call Sub1(a,tot)
Print tot
End Sub
则输入数据5,运行结果为【 】。
有一过程如下: Sub Subl (m As Integer,total As Long) Dim i AS Integer total = 1 For i = 1 To m total = total * i Next End Sub 调用它的事件过程如下: Private Sub Commandl_Click() Dim tot As Long, a As Integer a = Val(InputBox ("请输入数据") Call Subl (a,tot) Print tot End Sub 则输入数据5,运行结果为【 】。
A.8
B.11
C.5
D.34
单击一次命令按钮后,下列程序的执行结果为
Private Sub Command1_Click()
Dim m As Integer,I As Integer,x(10) As Integer
For I=0 To 4:x(I)=I+1:Next I
For I=1 TO 2:Call Prioc(x):Next I
For I=0 TO 3:Print x(I);:Next I
End Sub
Private Sub Prioc(a()As Integer)
Static I As Integer
Do
a(I)=a(I)+a(I+1)
I=I+1
Loop While I<2
End Sub
A.3 4 7 5
B.3 5 7 4
C.1 2 3 4
D.1 2 3 5
单击命令按钮后,下列程序代码的执行结果是______。
Public Sub fun (a As Integer, b As Integer, c As Integer)
Do
a=b+ c
n=n+1
Loop While n > 3
End Sub
Private Sub command1_ click()
Dim m As Integer, n As Integer, i As Integer
For i = 0 To 2: m = n + 1: Next i
For i = 1 To 2: Call fun (m, n, i): Next i
For i = 0 To 3
Print m;
Next i
End Sub
有过程如下:Sub fact (m As Integer, total As Long) Dim i As Integer total = 1 for i = 1 To m total = total*i Next iEnd Sub调用它的事件过程如下:Private Sub Command1_ Click () Dim tot As Long Dim a As Integer a = Val InputBox (“请输入数据”)) Call fact (a, tot) Print totEnd Sub则输入数据5,运行结果为 ______。
A.100
B.120
C.200
D.50
请阅读程序:
Private Sub Form_Click()
m=1
For i=4 To 1 Step-1
Print Str(m);
m=m+1
For j=1 To i
Print”*”;
Next j
Next i
End Sub
程序运行后,单击窗体,则输出结果是()。
A.1**** 2*** 3** 4*
B.4* 3** 2*** 1****
C.**** *** ** *
D.* ** *** ****
在窗体上画一个命令按钮,然后编写如下事件过程:
Sub BTC(oldCopy() As Integer, newCopy() As Integer)
Dim i As Integer
For i=LBound(oldCopy() ) To UBound(oldCopy() )
newCopy(i) =oldCopy(i)
Next i
End Sub
Private Sub Command1_Click()
Dim m(10) As Integer, n(10) As Integer
For i=1 To 10
m(i) =i i
Next i
Call BTC(m, n)
Print n(5)
End Sub
程序运行后,单击命令按钮输出结果为()。
A.0
B.2
C.10
D.25
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。
执行下面的程序段,x的值为 。private Sub Command1_Click()For i=1 To 5 a=a+iNext iX=Val(i)msgBox xEnd SubA.5 B.6 C.7 D.8
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