表格练习作业（课程表）
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>课程表</title>
<style>
*{margin: 0px;padding: 0px;}
td{ width: 40px;height: 20;font-size: 15px; }
/*table{ border: 1px solid #ccc;border-collapse: collapsse; }
</style>
</head>
<body>
<table border="5">
<tr><th colspan="8">课程表</th></tr>
<tr>
<th><sub>时间</sub>\<sup>星期</sup></th>
<th>周一</th>
<th>周二</th>
<th>周三</th>
<th>周四</th>
<th>周五</th>
<th>周六</th>
<th>周日</th>
</tr>
<tr>
<th rowspan="4">上午</th>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td rowspan="10">休息</td>
</tr>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<th rowspan="4">下午</th>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<th rowspan="2">晚自习</th>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
</table>
</body>
</html>
