1、Kindergarten Teaching Must Be Children-oriented:Gaps between Ought to be And the Actual Situation;
2、Farmer Workers:They Ought to be Brought into the Urban Social Security System;
3、Head for Rule of Law: From Ought to be to Positive--How does Market Economy Construct Rule of Law
4、A Method to Judge if Some of the Generators Ought to be Shut Down in Single-period in Electricity Power Market;