题目内容
维生素C注射液中NaHCO3的作用
2021-10-14
A.pH调节剂
B.抗氧剂
C.金属络合剂
D.溶剂
E.主药
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25715' and id < 2161898 and id<>'2161898' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25715' and id > 2161898 and id<>'2161898' order by id asc limit 5