知觉过程中以过去经验来对知觉对象作出某种解释,使其具有某种意义的特性被称为()
A、知觉的整体性
B、知觉的理解性
C、知觉的选择性
D、知觉的恒常性
参考答案:B
下面的程序是由鼠标事件在窗体上画图,如果按下鼠标将可以画图,双击窗体可以清除所画图形。补充完整下面的程序。首先在窗体层定义如下变量: Dim PaIntStart As Boolean 编写如下事件过程: Private Sub Form_Load()DrawWidth=2ForeColor=vbGreen End Sub Private Sub Form_MouscDown(Button As Integer,Shift As Integer,_X As Single,Y As Single) [13] End Sub Private Sub Form_MouseMove(Button As Integer,Shift As Integer,_X As Single,Y As Single)If PaintStart Then PSet(X,Y)End If End Sub Private Sub Form_MouseUp(Button As Integer,Shift As Integer,_ X As Single,Y As Single) [14] End Sub Private Sub Form_DblClick() [15] End Sub
大佛龙井是一种()形茶。
A、珠
B、条
C、针
D、扁