Unit 1 Teenage life1.Goals determine what you are going to be.——Julius Erving目标决定你将成为什么样的人。——朱利叶斯·欧文2.Learn young,learn fair.学习趁年少,而且要学好。3.Youth should be energetic,be aggressive.——Lu Xun青年应当有朝气,敢作为。——鲁迅4.An idle youth,a needy age.少壮不努力,老大徒伤悲。5.It's never too old to learn.活到老,学到老。Youth is not a time of life;it is a state of mind;it is not a matter of rosy cheeks,red lips and supple knees;it is a matter of the will,a quality of the imagination , a vigor of the emotions ; it is the freshness of the deep springs of life.Being a teenager can be challenging , but it can also be exciting.You're becoming more independent and making decisions for yourself.You are also learning to take risks and solve problems better.And changes are happening throughout your body,even in your brain.The changes in your brain are influencing how you develop into an adult.Imagine the structure(结构) of your brain is like a big road map.Lots of roads lead to different destinations( 目 的 地 ) . When you were a child, as you learnt new things , your brain created more and more roads to different destinations.By the time you become a teenager,many different roads lead to the most important places on the map.Now your brain's job is to make that map more efficient.As a result,your experiences as a teenager actually influence the way that your brain develops.If you spend hours playing video games,what skills do you use ? You learn to see something with your eyes and respond to it with your hands.As you develop those skills , your brain is making sure that the roads leading to them are especially fast and efficient.So , your videogame playing could be preparing you for a career such as a pilot.This is a great time for you to practice new skills and discover what you're good at and try what you love doing.Go out and try different activities , and stick to them if you think they're useful.Remember that with everything you do,you're shaping your brain for the future.[探索发现]1.Find out the main idea of the passage and then think of a proper title for it.Main idea : Being a teenager brings about many changes and these changes help you develop your brain for the future.title : Developing your brain for the future.2.Find out what is the writer's advice for teenagers.Teenagers should experience more and stick to the useful activities.3.Find out what happens as children learn new things.Their brains create more roads to different destinations.