电路如图所示，其中为（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id < 4500030 and id<>'4500030' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id > 4500030 and id<>'4500030' order by id asc limit 5