练习表：
代码：
<html> <head> <title>表格练习</title> </head> <body> <table border="1px" cellpadding="0px" cellspacing="0px" height="220px" width="500px"> <tr> <th colspan="3">学生基本情况</th> </tr> <tr> <th>姓名</th> <th>性别</th> <th>专业</th> </tr> <tr> <td>刘备</td> <td>男</td> <td rowspan="3">计算机</td> </tr> <tr> <td>孙尚香</td> <td>女</td> </tr> <tr> <td>诸葛亮</td> <td>男</td> </tr> </table> </body> </html>