document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=73603\">新千新星让科学家重新思考伽马射线暴</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=73605\">首架 C919 交付给东方航空</a></p></div>");