[问答题] 简述库利的“镜中我”理论。

某学生自幼就有出国留学的愿望，为此他特别认真地学习外语，他的学习动机属于（） ["内部动机","外部动机","一般动机","间接动机"] In Ireland a prime minister is appointed by after nomination by（）. ["the Queen\/the president","the president\/the Queen","the Queen\/the House of Representatives","the president\/the House of Representative"] 狄尔泰、斯普朗格、利特是（）的代表人物 ["实用教育学","文化教育学","实用主义教育学","制度教育学"] 等级排列法 简述数据库设计分为哪几个主要的阶段？ 简述库利的“镜中我”理论。