下列选项中，属于口腔癌一级预防的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29867' and id < 2422889 and id<>'2422889' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29867' and id > 2422889 and id<>'2422889' order by id asc limit 5