document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=69748\">首次行星防御测试任务发射</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=69751\">李嘉诚拍下爱因斯坦手稿</a></p></div>");