就某一专题下发问卷进行调査，此方法属于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25388' and id < 2139530 and id<>'2139530' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25388' and id > 2139530 and id<>'2139530' order by id asc limit 5