document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=61976\">中国首只克隆猫的诞生</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=61978\">成人肥胖可能与儿童阶段密切相关</a></p></div>");