计算题:有一个直径d0=10mm,L0=100mm,低碳钢试样,拉伸试验时测得Fs=21KN,Fb=29KN,d1=5.65mm,L1=138mm,求此试样的бs、бb、δ、ψ0。
在窗体中添加一个名称为Command1的命令按钮,然后编写如下程序: Public x As Integer Private Sub Command1_Click() x=10 Call s1 Call s2 MSgBox x End Sub Private Sub s1() x=x+20 End Sub Private Sub s2() Dim x As Integer x=X+20 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______。A.10B.30C.40D.50
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有如下程序 Private Sub Command1_Chck( ) s=0 DO s=(s+1) *(s+2) N=N+1 Loop Until s>=10 Prim N;s End Sub 运行后的输出结果是A.0 1B.30 30C.4 30D.2 12
在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Integer,s As Integer a = 8 s = 1 Do s = s + a a = a - 1 Loop While a<=0 Print s,a End Sub 程序运行后,单击命令按钮,则窗体上显示的内容是A.7 9B.34 0C.9D.死循环
写出程序运行的结果Public class BasePublic virtual string Hello() {return “Base”;}Public class Sub:BasePublic override string Hello() {return “Sub”;}1. Base b = new Base(); b.Hello;2. Sub s = new Sub(); s.Hello;3. Base b = new Sub (); b.Hello;4. Sub s = new Base(); s.Hello;
在窗体中添加一个名称为Commandl的命令按钮,然后编写如下程序: Public x As IntegerPrivate Sub Commandl_Click0x=10CaU slCall s2MsgBoxXEndSubPrivate Sub sl0x=X+20EndSubPrivate Sub s20Dim xAs IntegerX=x+20EndSub窗体打开运行后,单击命令按钮,则消息框的输出结果为( )。A.10B.30C.40D.50
在窗体中添加一个名称为Commandl的命令按钮,然后编写如下程序: Public x As Integer Private Sub Commandl_click() x=10 Call s 1 Call s 2 MsgBOx x End Sub Pfivate Sub s1() x=x+20 End Sub Private SubA.10B.30C.40D.50
在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Commandl Click() Dim a() a=Array(1,3,5,7) s=0 For i=1 To 3 S=S*10+a(i) Next i Print s End Sub 程序运行后,输出结果为( )。A.135B.357C.531D.753