题目内容
微量元素是指其含量少于人体总重量的( )
2021-09-30
A.1/10
B.1/100
C.1/1000
D.1/10 000
E.1/100 000
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='24758' and id < 2119673 and id<>'2119673' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24758' and id > 2119673 and id<>'2119673' order by id asc limit 5