console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<table border="1" width="500" cellspacing="0" cellpadding="5" rules="all" frame="box">
<caption>课程表</caption>
<thead bgcolor="orange">
<th>星期一</th>
<th>星期二</th>
<th>星期三</th>
<th>星期四</th>
<th>星期五</th>
</thead>
<tr>
<td rowspan="2" align="center">语文</td>
<td align="center">数学</td>
<td align="center">化学</td>
<td align="center">英语</td>
<td align="center">生物</td>
</tr>
<tr>
<td align="center">数学</td>
<td align="center">化学</td>
<td align="center">英语</td>
<td align="center">生物</td>
</tr>
<tr>
<td align="center" colspan="5">课间活动</td>
</tr>
<tr>
<td rowspan="2" align="center">
<table border="1" cellspacing="0">
<tr>
<td>前半节</td>
<td>后半节</td>
</tr>
<tr>
<td>诗词 </td>
<td>古文 </td>
</tr>
</table>
</td>
<td align="center">数学</td>
<td align="center">化学</td>
<td align="center">英语</td>
<td align="center">生物</td>
</tr>
<tr>
<td align="center">数学</td>
<td align="center">化学</td>
<td align="center">英语</td>
<td align="center">生物</td>
</tr>
</table>
</body>
</html>