document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=75655\">科学家复活冰冻 4.6 万年的蠕虫</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=75657\">IBM 大型机为何能生存到今天</a></p></div>");