若结点的存储地址与其关键字之间存在某种映射关系，则称这种存储结构为______ 。A

短文改错/Proofreading and error correction

It was the chance of a lifetime to win the first prize on the Story Writing Show. All I had to do was to write a story or present it. My teachers have been telling me how great my writing was. So if they had said was true, I would have a chance of winning the prize. What were better, I had useful help. There was Uncle Chen, gentleman living near my house, who was a very much famous writer. He agreed to reading my story and give me some advices on how to write like a real writer.

10（）

教材指出：《毛诗大序》认为：诗歌创作要合乎“发乎情，止乎礼义”的原则，而在揭露和批评黑暗方面，又必须（）。

A．“怨而怒”

B．“主文而谲谏”

C．“劝百而讽一”

D．“风以动之，教以化之”

由于市场价格的变动，使得经济主体蒙受损失的可能性，属于（）。

A.信用风险

B.决策风险

C.市场风险

D.操作风险

关于短面综合征，正确的观点有：（）

A.上颌垂直向发育不足

B.下颌发育不足

C.可伴深覆牙合畸形

D.可伴深覆盖畸形

E.可伴深覆牙合及深覆盖畸形

移动通信系统的基本组成包括哪几部分？