计算机的算术逻辑单元和控制单元合称为 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29991' and id < 2430479 and id<>'2430479' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29991' and id > 2430479 and id<>'2430479' order by id asc limit 5