[单选题]下列不属于距离保护优点的是( )。(每题 0.5分)（0.5）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id < 4496173 and id<>'4496173' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id > 4496173 and id<>'4496173' order by id asc limit 5