题目：
社会分层是社会阶级内部的分层化和阶级外部的（）。
答案：
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750
社会分层是社会阶级内部的分层化和阶级外部的（）。
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题型：填空题
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(14分)阅读下列材料：
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——《鸿胪寺卿黄爵滋敬陈六事疏》（1835年）
材料二 自1840年鸦片战争开始的百余年间，英、法、日、俄、美、德等帝国主义列强，从海上入侵中国达84次，入侵舰艇达1860多艘，入侵兵力达47万人。外敌的海上入侵，成为中 * * 历史大劫难的直接根源。
材料三 “甲午一役，威海水陆之防，既毁于日本……”“东三省海防，奉天尤重。自日占旅、大，辽东半岛藩篱尽撤离。”
——《清史稿》
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请回答：
（1）依据材料一概述当时清政府出现的现象。（3分）材料一、二之间存在怎样的关系？请简要说明。（3分）
（2）结合有关史实分析材料二，甲午一役，中国新式海军竟惨败于日本，其根本原因何在？(2分)这场战争对中国带来了哪些严重危害？（3分）
（3）综合上述材料，我们能得到什么认识？（3分）
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