1 一作业8:00到达系统，估计运行时间为1小时。若10:00开始执行该作业， 其响应比是 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30160' and id < 2440240 and id<>'2440240' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30160' and id > 2440240 and id<>'2440240' order by id asc limit 5