题目内容
人类维生素D最主要的来源是
2021-11-13
A.牛奶
B.鱼肝油
C.日光照射皮肤
D.动物肝脏
E.钙片
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='27909' and id < 2291808 and id<>'2291808' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27909' and id > 2291808 and id<>'2291808' order by id asc limit 5