读短文回答问题There are two types of people in the world.Some are t

读短文回答问题
There are two types of people in the world.Some are the people who are always happy.And the others are the people who are always unhappy.Everything has its"good"and"bad"sides,the fine feature and defects.For example,there is good or bad weather,a good or bad dinner,good or bad music.When dealing with a problem,happy people,always in a good mood,see the good points,so they can do things well unhappy people,often in a bad mood,just see the bad points and keep complaining about this or that.
1Why are some people always happy?
2Why are some people always unhappy?
3Are you a happy or an unhappy person?
4If you are an unhappy person,how can you become a happy one?