俗话说“打蛇打七寸”，“七寸”是指蛇的（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31517' and id < 2523943 and id<>'2523943' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31517' and id > 2523943 and id<>'2523943' order by id asc limit 5