税收的首要职能是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27232' and id < 2257426 and id<>'2257426' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27232' and id > 2257426 and id<>'2257426' order by id asc limit 5