题目内容
半固体培养基中琼脂浓度为( )
2020-11-13
A.11%～20%
B.6%～10%
C.0.3%～0.5%
D.0.01%～0.1%
E.1%～5%
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='5357' and id < 401285 and id<>'401285' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='5357' and id > 401285 and id<>'401285' order by id asc limit 5