标准ASCII码用7位二进制对128种符号进行编码。（）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id < 4497746 and id<>'4497746' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id > 4497746 and id<>'4497746' order by id asc limit 5