偶函数f(x)在区间[-1，0]上为减函数，α，β为锐角三角形的两内角，且α≠β，则

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='13575' and id < 1103665 and id<>'1103665' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='13575' and id > 1103665 and id<>'1103665' order by id asc limit 5