与空气长时间接触或者遇到氧化剂可被氧 化成具有荧光的硫色素而失效的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30787' and id < 2479292 and id<>'2479292' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30787' and id > 2479292 and id<>'2479292' order by id asc limit 5