What do you do after you have lunch? Maybe you don't have much time. But I ask you which you prefer to do. Do you want to sit around the table and listen to others complain about how awful the  company or their boss is? Or do you want to go outside in the fresh air and get some exercise? If you get a little exercise regularly during lunch hours. you may come back to work refreshed. And a few weeks later. you will notice a great difference in how you feel.

  Most people think of pizza as an unhealthy food. Of course. they are partly right. Eating pizza too much may cause some diseases. But pizza actually contains many healthful ingredients. First of all, the crust is rich in vitamin B, which helps the nervous system work smoothly. Also, the tomato sauce is an excellent source of vitamin A, which is essential for keeping good vision. And finally, the cheese contains protein and calcium, each of which supports good health and keeps bones strong.

  Air pollution is a problem throughout the world, but in this city it is almost unbearable. As you drive downtown. you are struck by the dark brown cloud hanging overhead. It is formed by polluted air. A few minutes later, your eyes being to water and itch. After a few hours, you find yourself breathing with difficulty and coughing. How can people continue to live here? The city must take action right now. Otherwise, it will not be long before most of the citizens leave this city.

  We all have different environments in which we exist. We reside in one environment, work in another, and then play in still another. These different environments give our lives meaning. If they are comfortable, we can live in positive ways. However, if they are hostile, we cannot. A school should provide a learning environment for its students. That environment, more than good teachers and books, determines what kind of person a student will be.