1、select top {$Param(0)} id,title,picurl from KS_Article where picnews=1 and recommend=1 and deltf=0 and verific=1 and tid in(select id from ks_class where ts like '%{$CurrClassID}%') order by id desc

2、select top {$Param(0)} id,title,picurl from KS_Article where picnews=1 and recommend=1 and deltf=0 and verific=1 and tid in({$CurrClassChildID})  order by id desc

3、select top {$Param(0)} id,title,picurl from KS_Article where picnews=1 and recommend=1 and deltf=0 and verific=1 where ts like '%{$CurrClassID}%')  order by id desc

能否尽量说的详细些，非常感谢！