console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<table border="1" width="500">
<tr>
<th>星期1</th>
<th>星期2</th>
<th>星期4</th>
<th>星期5</th>
</tr>
</tr>
<tr>
<th>语文</th>
<th>数学</th>
<th>英语</th>
<th>生物</th>
</tr>
<tr>
<th>语文</th>
<th>数学</th>
<th>英语</th>
<th>生物</th>
</tr>
<tr>
<th>语文</th>
<th>数学</th>
<th>英语</th>
<th>生物</th>
</tr>
<tr>
<th>语文</th>
<th>数学</th>
<th>英语</th>
<th>生物</th>
</tr>
</table>
</body>
</html>