四个图片能不能精简下
<div><img src="http://img1.sycdn.imooc.com//5385acb000013b0d00950095.jpg" /><img src="http://img1.sycdn.imooc.com//5385acb000013b0d00950095.jpg" /><img src="http://img1.sycdn.imooc.com//5385acb000013b0d00950095.jpg" /><img src="http://img1.sycdn.imooc.com//5385acb000013b0d00950095.jpg" /> </div>
