与枸橼酸-醋酐试液在水浴上加热产生紫 红色的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29782' and id < 2418330 and id<>'2418330' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29782' and id > 2418330 and id<>'2418330' order by id asc limit 5