为下列句子排序.组成一段完整通顺的对话。
(____)A.Nice to meet you too.
(____)B.Where are you from?
(____)C.Mum,this is Mike.He is my new friend.
(____)D.I am from Canada.
(____)E.Hi,Mike.Nice to meet you.
如图,已知⊙O,用尺规作⊙O的内接正四边形ABCD.(写出结论,不写作法,保留作图痕迹,并把作图痕迹用黑色签字笔描黑)