amp;amp;lt;select name="site" amp;amp;gt; amp;amp;lt;option value="网易" selected="selected" amp;amp;gt;新闻 amp;amp;lt;/option amp;amp;gt; amp;amp;lt;option value="" amp;amp;gt;网页 amp;amp;lt;/option amp;amp;gt; amp;amp;lt;/select amp;amp;gt;