其他管理人员与医务人员应参加预防、控制医院感染继续教育课程和学术交流活动的时间每年学时不少于()。
A.5学时
B.6学时
C.8学时
D.15学时
E.20学时
参考答案:B
在当地人民政府劳动行政部门发布最低工资标准后()日内,用人单位应将该标准向本单位全体劳动者公示。
A.7
B.10
C.15
D.30
下面程序是由鼠标事件在窗体上画图,如果按下鼠标可以画图,双击窗体则可以清除所画图形。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=2 ForeColor=vbGreen End Sub Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X AS Single,Y AS Single) PaintStart=True 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) End Sub Private Sub Form_DblClick()Cls End Sub