document.writeln("<Center><div class=\"doc\"><a href=\'/e/member/fava/add/?classid=21&id=3467\'  target=\'_self\'><i class=\"fa fa-file-word-o\"></i> 关于创设有效课堂教学情境的开题报告（精选5篇）文档下载.doc </a></div></Center>");