目前认为，可以肯定改善COPD患者长期预后的 治疗措施是(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26322' and id < 2201313 and id<>'2201313' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26322' and id > 2201313 and id<>'2201313' order by id asc limit 5