【正文】
waste of time. Secondly, buying a mobile will cost much money. We are only consumers. Thirdly, if we need to municate with our parents, we can ask our teacher for help. So in short, it is not necessary for us to use mobiles. (82 words) Group A : The Importance of Keeping Healthy Group B : The Earth is Our Friend Group C: The weather in Shanghai The Importance of Keeping Healthy Everyone wants to be healthy, because it is very important. If we are healthy, we can do useful things for our country. But how to keep healthy? First, we should have a good diet. We should eat not only fish and meat, but also fruit and vegetables. We had better have less junk food. Secondly, we should have sports every day, it is good for our health. Finally, we must have good habits, for example, we should not smoke. How important it is to be healthy! (84 words ) The earth is our friend It is mon knowledge that the earth is our friend. First, we have only one earth that we live on. Secondly, it provides us with everything we need such as food and clothes. So everyone should do helpful things for her. For example, we must stop polluting the rivers and lakes. We should plant more trees and grass to make our environment nice and clear. Please remember