进来看一看呀!
<table border width=160>
<colgroup align=left>
<colgroup align=center>
<colgroup align=right>
<thead>
<tr><th>food</th><th>drink</th><th>sweet</th>
</thead>
<tbody>
<tr><td>a</td><td>b</td><td>c</td>
<tr><td>d</td><td>e</td><td>f</td>
</tbody>
</table>
这哪错了呀!!???