<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<h3>我要做一个三行三列的表格思密达</h3>
<table width="500" height="300" border="1" cellspacing="0" cellpadding="0">
<thead>
<tr>
<th>姓名</th>
<th>性别</th>
<th>年龄</th>
</tr>
</thead>
<tbody>
<tr>
<td>鸣人</td>
<td>男</td>
<td>18</td>
</tr>
<tr>
<td>佐助</td>
<td>男</td>
<td>19</td>
</tr>
</tbody>
</table>
</body>
</html>