document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=71183\">美国人均预期寿命连续第二年下降</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=71185\">网信办称互联网企业用工人数保持平稳</a></p></div>");