在6kV的系统中,能采用Y0/Y0/Δ接线方式的电压互感器应选择()
第1题:
(12)有下列Sub过程: Sub Sub(x As Single,y As Single) t=x x=t/y y=t Mody End Sub 在窗体上的命令按钮Commandl中,编写下列事件过程,执行该事件过程调用Sun过程,结果是( )。 Private Sub Commandl_Click() Dim a As Single Dim b As Single a=5 b=4 Sun a,b Print a;b End Sub A.1.25 1 B.5 4 C.4 5 D.1 1.25
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:
( 27 )要想在过程 Proc 调用后返回形参 x 和 Y 的变化结果,下列定义语句中正确的是
A ) Sub Proc ( x as Integer,y as Integer )
B ) Sub Proc ( ByVal x as Integer, y as Integer )
C ) Sub Proc ( x as Integer,Byval y as Integer )
D ) Sub Proc ( Byval x as Integer, Byval y as Integer )
第4题:
有以下程序:
int sub(int n) { return(n/10+n%10); }
main()
{ int x, y;
scanf("% d", &x);
y=sub(sub(sub(x)));
printf("% d\n", y);
}
若运行时输入:1234<回车>,程序的输出结果是【 】。
第5题:
下面各被调用函数首部书写正确的是( )
A.void sub(float x;float y);
B.void sub(float x,y)
C.void sub(float x,float y)
D.void sub(float x,float y);
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:
A、Public Sub Sum(x ; y)
B、Public Sub Sum(ByVal x, ByVal y)
C、Public Sub Sum(x As Integer,y As Integer)
D、Public Sub Sum(x%, y%)
第8题:
有以下程序:int sub(int n) { return(n/10+n%10); }void main(){ int x,y; scanf("%d",&x); y=sub(sub(sub(x))); printf("%d\n",y);}若运行时输入:4321<回车>,程序的输出结果是。
第9题:
Command1_Click()事件代码如下: Private Sub Command1_Click() Dim x As Integer, Y As Integer x = 6 : Y : 8 Call ABC(X, Y) Print X; Y End Sub Private Sub ABC(ByVal X As Integer,Y As Integer) X = X + 4 Y = Y = 2 End Sub 事件发生后,X和Y的值分别为 ______。
A.6, 8
B.10, 10
C.10, 8
D.6, 10
第10题:
若有以下程序: #include <iostream> using namespace std; void sub(int x,int y, int *z) { *z = y+x; } int main() { int a,b, c; sub (8,4,&a) ; sub (6, a, &b) ; sub(a,b,&c) ; cout<<a<<", "<<b<<", "<<c<<end1; return 0; } 程序运行后的输出结果是( )。
A.12,18,30
B.-12,6,8
C.6,8,10
D.12,-18,16