题目内容
大黄酚的结构类型是
2021-12-11
A.苯醌
B.萘醌
C.菲醗
D.单蒽核类蒽醌
E.双蒽核类蒽醌
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29380' and id < 2393111 and id<>'2393111' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29380' and id > 2393111 and id<>'2393111' order by id asc limit 5