下列微生物中只含有1种核酸的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32303' and id < 2569882 and id<>'2569882' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32303' and id > 2569882 and id<>'2569882' order by id asc limit 5