document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=67753\">鲨鱼利用地磁场在海洋中导航</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=67755\">特斯拉暂停比特币支付，比特币币值暴跌</a></p></div>");