document.writeln("<Center><div class=\"doc\"><a href=\'/e/member/fava/add/?classid=41&id=3175\'  target=\'_self\'><i class=\"fa fa-file-word-o\"></i> 如何提高小学数学课堂教学有效性论文（通用15篇）文档下载.doc </a></div></Center>");