《党政机关公文处理工作条例》规定，公文标题由（）组成。
A.发文机关名称
B.事由
C.文种
D.签发人姓名
参考答案：A, B, C
Li Ming, ______to the concert enjoyed it very much.
A．I went with
B．with whom I went
C．with who I went
D．I went with him
A．mgtgθ
B．mgsinθ
C．μmg
D．μmg
mgtgθ
mgsinθ