目前可用羊水上清液、羊水细胞、绒毛、脐带血、孕妇外周血中胎儿细胞、孕妇血清和尿液、受精卵、胚胎组织等这些标本进行下列哪项

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24656' and id < 2114183 and id<>'2114183' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24656' and id > 2114183 and id<>'2114183' order by id asc limit 5