上楼梯时，符合礼仪规范的是:男士在前，女士在后。（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27855' and id < 2288410 and id<>'2288410' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27855' and id > 2288410 and id<>'2288410' order by id asc limit 5