WinDows操作系统的窗口切换可通过按Alt+B组合键的方式实现。 ( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31815' and id < 2542864 and id<>'2542864' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31815' and id > 2542864 and id<>'2542864' order by id asc limit 5