document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=69506\">须鲸的食量是科学家以前估计的三倍</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=69508\">食品价格指数攀升至十年最高</a></p></div>");