可持续发展的首要任务是（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16995' and id < 1429397 and id<>'1429397' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16995' and id > 1429397 and id<>'1429397' order by id asc limit 5