A.Shell B.FileCopy C.Name D.RmDir
A.Form2.Load B.Form2.Visible=False C.Form2.Show D.Form2.Visible=True
A.0 B.1 C.2 D.不一定
A.Click B.Clear C.AddItem D.RemoveItem
A.Visible B.Caption C.Name D.Text
A.A=C:C=B :B=A B.A=A+B:B=A–B:A=A–B C.A=B:B=A D.A=(A+B)/2:B=(A - B)/2