作为一名教师，应具有下列哪些能力？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30695' and id < 2473971 and id<>'2473971' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30695' and id > 2473971 and id<>'2473971' order by id asc limit 5