题目内容
某药静脉注射经2个半衰期后，其体内药量为原来的
2021-10-14
A.1/2
B.1/4
C.1/8
D.1/16
E.1/32
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25712' and id < 2161483 and id<>'2161483' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25712' and id > 2161483 and id<>'2161483' order by id asc limit 5