If output is increased in the long-run, average production costs in the presence of internal diseconomies of scale will ________, and in the presence of external diseconomies of scale, will ________.
【简答题】One day in the __ class everyone is busy drawing pictures, but Xiao Ming is doing _ __.When the bell rings for break (课间休息), Xiao Ming gives his _ _ to the teacher. The teacher looks at it and gets __...