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窗前明月光，<br>
 疑是地上霜。<br>
举头望明月，<br>
低头思故乡。<br>
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<b>窗前明月光，</b><br>
<strong>疑是地上霜。</strong><br>
<i>举头望明月，</i><br>
<em>低头思故乡</em>
<b><i>举杯邀明月.</i></b>
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