<body>
<h3>各省市行政區劃</h3>
<table border="1" width="50%">
<thead>
<tr>
<th>北京</th>
<th>上海</th>
<th>商丘</th>
</tr>
</thead>
<tbody>
<tr>
<td>海淀</td>
<td>徐匯</td>
<td>睢陽</td>
</tr>
<tr>
<td>朝陽</td>
<td>閘北</td>
<td>梁園</td>
</tr>
<tr>
<td>昌平</td>
<td>黃埔</td>
<td>柘城</td>
</tr>
</tbody>
</table>
</body>
