题目内容
大黄药材的主要化学成分是
2021-12-23
A.生物碱类
B.挥发油类
C.蒽醌类
D.皂苷类
E.强心苷类
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30027' and id < 2431967 and id<>'2431967' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30027' and id > 2431967 and id<>'2431967' order by id asc limit 5