题目内容
对流免疫电泳时琼脂凝胶的pH是( )
2021-10-08
A.6. 6
B.7.4
C.6. 8
D.8. 6
E.8. 4
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25029' and id < 2131045 and id<>'2131045' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25029' and id > 2131045 and id<>'2131045' order by id asc limit 5