下列哪些性质与维生素a相符（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27489' and id < 2270661 and id<>'2270661' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27489' and id > 2270661 and id<>'2270661' order by id asc limit 5