You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page pageid="95" ns="0" title="明日に向って走れ" contentmodel="wikitext" pagelanguage="zh-hans" touched="2014-07-19T16:13:54Z" lastrevid="678" counter="2435" length="2001" />
      <page pageid="103" ns="0" title="愛されてばかりいると" contentmodel="wikitext" pagelanguage="zh-hans" touched="2014-07-10T08:21:33Z" lastrevid="785" counter="2377" length="2355" />
      <page pageid="117" ns="10" title="模板:Stub" contentmodel="wikitext" pagelanguage="zh-hans" touched="2014-07-04T18:04:05Z" lastrevid="691" counter="3388" length="1123" />
      <page pageid="527" ns="0" title="BEAUTIFUL LIFE (小松未歩歌曲)" contentmodel="wikitext" pagelanguage="zh-hans" touched="2014-07-20T18:28:41Z" lastrevid="1314" counter="1793" length="2067" new="" />
    </pages>
  </query>
</api>