下列对氯及其化合物的说法正确的是 （   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19791' and id < 1717227 and id<>'1717227' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19791' and id > 1717227 and id<>'1717227' order by id asc limit 5