题目

Your schooldays should be some of the best and happiest days of your life. 【1】 And how can you make sure not to waste this great chance to learn?Be active at school. Don’t say things are difficult or boring. Take interest in school life and your school subjects. 【2】 Go around the school with a big smile. If you are not working, you are wasting your time at school. Teachers cannot make everything enjoyable.Keep fit. If you don’t eat a good breakfast, you will feel tired at school. 【3】 Play enough sports every day in order to keep your body strong. Also, drink more water and fewe解方程组：