教学过程中，最基本的部分是（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26044' and id < 2184459 and id<>'2184459' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26044' and id > 2184459 and id<>'2184459' order by id asc limit 5