众所周知，酒精有消毒杀菌的作用。下列关于酒精的说法，正确的是：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31001' and id < 2493740 and id<>'2493740' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31001' and id > 2493740 and id<>'2493740' order by id asc limit 5