No matter who you are,you must have some difficulties;no matter where you are,you must face with some problems.That's our life.The most important thing is how to overcome the difficulties in front of us.Therefore,we have to learn and we have to practise ourselves facing with problems.We should not only learn the knowledge but also cultivate the ability to deal with difficulties in school.When we are in the childhood,we learn how to climb to a higher place.