稳态是人体进行正常生命活动的必要条件，正常人体内环境的特征是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20592' and id < 1794069 and id<>'1794069' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='20592' and id > 1794069 and id<>'1794069' order by id asc limit 5