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<html xmlns="http://www.111cn.net/1999/xhtml">
<head>
<title></title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<style type="text/css教程">
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<body>
<dl id="nav">
<dd>菜单一</dd>
<dd>菜单二</dd>
<dd>菜单三</dd>
<dd>菜单四</dd>
<dd class="current">菜单五</dd>
</dl>
<ul id="bb">
<li style="display:block">内容一</li>
<li>内容二</li>
<li>内容三</li>
<li>内容四</li>
<li>内容五</li>
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