多项选择题
A.以/*开头,以*/结尾B.以//开头C.以--开头D.以"开头
A.Read()B.ExecuteReader()C.Update()D.Fill()
A.UnloadB.DeactivateC.FormClosedD.Closing
A.Form M=new Form();showDialog(M);B.Form M=new Form();Show(M);C.Form M=new Form();M.ShowDialog();D.Form M=new Form();M.Show();
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