“一朝被蛇咬，十年怕井绳。”这体现了条件反射形成过程中的（ ）现象。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31605' and id < 2530792 and id<>'2530792' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31605' and id > 2530792 and id<>'2530792' order by id asc limit 5