题目内容
光滑型细菌经人工培养变为粗糖型，称为（ ）
2021-10-08
A.H-0变异
B.S*R变异
C.L型变异
D.Hi落
E.0菌落
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25050' and id < 2131702 and id<>'2131702' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25050' and id > 2131702 and id<>'2131702' order by id asc limit 5