Let's try to answer Trial P1, P2 and P3 2008 from MRSM.
http://www.scribd.com/doc/21201465 (Paper 1)
http://www.scribd.com/doc/21201543 (Paper 2)
http://www.scribd.com/doc/21201592 (Paper 3)
“The task of the excellent teacher is to stimulate apparently ordinary people to unusual effort. The tough problem is not in identifying winners: it is in making winners out of ordinary people.”