内存的任何一个存储单元都有唯一地址，CPU根据该地址对存储单元进行读写。（）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id < 4497749 and id<>'4497749' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id > 4497749 and id<>'4497749' order by id asc limit 5