关于儿科学特点，下列说法正确的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27908' and id < 2291647 and id<>'2291647' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27908' and id > 2291647 and id<>'2291647' order by id asc limit 5