题目内容
致孕的精子计数低限为
2021-08-25
A.20×109/L
B.30×109/L
C.40×109/L
D.50×109/L
E.60×109/L
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20310' and id < 1778384 and id<>'1778384' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20310' and id > 1778384 and id<>'1778384' order by id asc limit 5