题目内容
可区别二氢黄酮和黄酮醇的试剂是
2021-12-16
A.三氯化铁
B.四氢硼钠
C.盐酸-镁粉
D.氧化铝
E.锆盐
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29779' and id < 2418215 and id<>'2418215' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29779' and id > 2418215 and id<>'2418215' order by id asc limit 5