根据记忆的意志性和目的性，将记忆分为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27578' and id < 2273336 and id<>'2273336' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27578' and id > 2273336 and id<>'2273336' order by id asc limit 5