var query = (from w in db.xx select w).Take(10);

------解决方案--------------------
        var q = (
               from c in tool.ConsumeItem
                orderby c.CClassCode
                select c
                )
               .Take(2);

------解决方案--------------------
.Take(***);

------解决方案--------------------
探讨

        var q = (
                from c in tool.ConsumeItem
                orderby c.CClassCode
                select c
                )
                .Take(2);


------解决方案--------------------
.Take()