脊髓灰质炎最常累及的部位是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25691' and id < 2159652 and id<>'2159652' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25691' and id > 2159652 and id<>'2159652' order by id asc limit 5