阅读理解。 Have you ever had problems in your life and don't know how to be happy? If so, you will find the book Being a Happy Teen,ager(青少年).  The book is written by an Australian writer Andrew Matthews. In his book, Matthews tells us how to have a happy life and answers the questions of teenagers. The book says we should stop being angry and learn to forgive(宽恕) others. The book also tells us some useful skills(技能) , such as how to put what you have learned into pictures of your mind to make your memory better. Many teenagers think that happiness comes from a good exam result or praise(赞扬) from other people.But you can still be happy when there are no such 'good' things. Success comes from a good attitude(态度)If you learn from your problems,  you will have success in the future. Some school students have problems, such as being too tall or too short.  But Matthews tells us that happiness comes from thinking about things in a positive(积极的) way.  If you are tall, people notice you and you can get a better view at the movie;if you are short, your clothes and shoes take less room in your bedrooml This is Matthew's most important lessons,  you should choose to be happy ! 1. Being a Happy Teenager is written by ______________ . 2. The book says we should stop ______________ and learn ______________ . 3. Many teenagers think that happiness comes from ______________ . 4. Some school students have problems, such as______________ 5. lf you are short,______________ take less room in your bedroom.