&nbsp;<p>
  <table align=center>
  <tr>
  <td>
R 期中上機考成績查詢：<p>
  <form action="check_score.php" method="post">
  請輸入學號: <input type=text size=10 name="stid"><br>
  <input type=hidden name="action" value="get">
  <input type=submit>
  </form>
  </td></tr></table>