教室上课时突然的手机铃声，打断学生听课的思路，分散注意力，属于下列哪种选项的干扰

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id < 2101961 and id<>'2101961' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id > 2101961 and id<>'2101961' order by id asc limit 5