document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=71327\">用推文实时预测粮食短缺</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=71329\">研究发现警告交通事故的公路显示屏会引发更多事故</a></p></div>");