document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=44999\">希格斯玻色子可能不只一种</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=45001\">深圳工厂用机器人取代九成工人</a></p></div>");