9 . 请根据上下文内容，将文中划线部分译成汉语或英语。
The truth is, diet and way of life are often a problem for teenagers. However, the good news is that you can feel better, look better and have more energy if you eat the right food and exercise regularly.
1 Healthy eating along with regular exercise is probably the only way to become fit. Diets are useless in the long term, yet approximately 20% of teenager say they have tried going on a diet and skipping meals to control their weight. If you eat properly and exercise regularly, you will lose weight, keep fit and feel great.
2 作为一位青少年给与你身体所需要的能量很重要。 If you skip meals, you don’t get enough energy, and then you feel tired. For a healthy diet, you should eat mostly rice, bread, vegetables and fruit. You also need to drink a lot of water — six to eight glasses a day. Water helps keep your system clean. Drinking enough water will improve your skin and give you healthy hair.
Exercise is something that can help to make you look good, feel good and be healthy. 3 Experts suggest that teenagers spend at least 30 minutes exercising, five times a week. That is easy to do ! Walking and riding your bike count, and so do school sports. Often, teenagers give up sport, saying they have no time left after their studies. Many teenagers are surprised to learn that when you exercise, you body produces some chemicals that make you feel peaceful and relaxed and increase your ability to concentrate when you study! 4 这些化学物质甚至能帮助你晚上睡得更好。
A good amount of sleep every night is also important for your health. When you sleep, your body prepares you for the day to come. Teenagers need eight to ten hours of sleep each night. 5 As a matter of fact, loss of sleep can make you look tired, and even cause you to gain weight. If you follow the suggestions above, you will look and feel much better in no time at all ！
