以下属于前运算阶段思维特征的有（ )。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23627' and id < 2055817 and id<>'2055817' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23627' and id > 2055817 and id<>'2055817' order by id asc limit 5