题目

一只瓶子最多能装l千克酒精．若用来装水，水的质量是(  )． A．大于l千克    B．等于l千克    C．小于l千克  D．都有可能 答案：ATeenagers live very busy lives and often forget to think about their diet and exercise. How much do you know about keeping healthy and fit? Healthy eating along with regular exercise is probably the only way to become fit. Diets are useless in the long term, about 20% of teenagers say they have tried eating less and skipping meals to control their weight. If you eat properly and exercise regularly, you will lose weight, keep fit and feel great.As a teenager, it is important to give your body energy it needs. 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.Exercise is something that can help to make you look good, feel good and be healthy. Teenagers should spend at least 30 minutes exercising, five times a week. It is easy to do! Walking and riding your bike to school, and doing some school sports. If you follow the suggestions above, you will look and feel much better!小题1:According to the writer, what is not a proper way to lose weight?A．Eating healthy mealsB．Walking or riding to school every dayC．Skipping mealsD．Doing sports exercise小题2:The underline word “skipping” means “_________”.A．改善B．增加C．改变D．略过小题3:Which is the best title for this passage?A．How to eat healthilyB．Doing sports every dayC．How can teenagers keep fitD．What should we eat every day