在国际单位制中下列哪个物理量单位的符号是Wb ( )
A.电容 B.磁通量 C.电阻 D.磁感应强度
答案:B
略
Drinking a lot of coffee ________ our health.
A.is good for
B.is bad for
C.is well in
D.is good to
在窗体上画1个名称为Command1和命令按钮和2个名称分别为Text1、Text2的文本框,如图所示,然后编写如下程序:
Function Fun(X As Integer,ByVal y As Integer)As Integer
x=x+y
If X<0 Then
Fun=x
Else
Fun=y
End If
End Function
Private Sub Command1 Click()
Dim a As Integer,b As Integer
a=-10:b=5
Text1.Text=Fun(a,B)
Text2.Text=Fun(a,B)
End Sub
程序运行后,单击命令按钮,Text1和Text2文本框显示的内容分别是()和()。