国内、国际机票的有效期均为半年。 ( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26621' and id < 2217276 and id<>'2217276' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26621' and id > 2217276 and id<>'2217276' order by id asc limit 5