目录一 . 摘 要································································································································································ 第1页 二 . 实 践 活 动 背景·················································································································································第 2 页三.简介实践活动目的·······················································································································································第 2 页 实践活动基本情况·················································································································································第 2 页四.实践活动分析结果及总结····························································································································