不管起重机吊臂在什么位置,当吊钩组合向吊臂头部接近约剩()时,起升的上升方向与变幅度的下降方向均会自动停止。
A.1米
B.2米
C.3米
D.4米
参考答案:B
已知有定义 constintD=5; inti=1; doublef=0.32; charc=15; 则下列选项错误的是( )。
A. Private Sub Form_MouseDown(Button As Integer, Shift As Integer,_ X As Single, Y As Single) If Button=2 Then PopupMenu Bt, 2 End Sub
B.Private Sub Form_MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) PopupMenu Bt End Suh
C. Private Sub Form MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) PopupMenu Bt,0 End Sub
D.Private Sub Form_MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) If (Button=vbLeftButton) Or ( Button=vbRightButton) Then PopupMenu Bt End Sub
实质上,企业国际竞争力是( )的统一。
A.企业经济实力与企业管理B.竞争力资产与竞争力过程C.基础设施与人力资源D.技术创新能力与投资能力