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<li><a herf="#a">京东秒杀</a></li>
<li><a href="#b">双11</a></li>
<li><a href="#c">频道优选</a></li>
<li><a href="#d">特色广场</a></li>
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<div id="a">京东秒杀</div>
<div id="b">双11</div>
<div id="c">频道优选</div>
<div id="d">特色广场</div>
</body>
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