【正文】 more fruits, vegetables and less meat. Third, getting rid of bad habits like smoking and drinking is also an important way to keep healthy. Smoking and alcohol drinking injure one is health a great deal, and therefore should be given up. If people follow these three ways of keeping fit, they’ll greatly improve their health.22) Advantages and Disadvantages of the Mobile PhoneLike everything else, mobile phones have both favorable and unfavorable aspects. First, it is useful. As a wireless mobile telephone, it is easy and handy to call wherever one goes and call the one however far away he is. Second, it is convenient. Whenever one meets trouble or something urgent, one can make a call immediately. However, the mobile phone also has many disadvantages. First, it is expensive to buy and costly to pay the bills. Second, it is also easy to lose and costly to get it repaired. Third, it is alleged the microwaves in it might do harm to people health. I believe its advantages will far outweigh disadvantages soon.Every weekday, we are busy with our own business. But on weekends, our whole family will gather together with Mum cooking delicious food. I love my family and enjoy living in a big family. 26) A Day to RememberIt was Sunday. Our teacher Mr. Zhu led us to a park nearby. Usually we go to the park to spend our holiday. But today we went there to take part in voluntary labor. We got there at nine o’clock. Mr. Zhu divided us into three groups and then we began working. Group One was responsible to plant trees and water flowers. Group Two were busy collecting litter left by the tourists. I was in Group Three. We went to the children’s playground and cleaned all the equipment there. We worked very hard. At about eleven we finished work. We all were tired but very happy. I will never forget the day in my memory.28) My HobbiesI have many hobbies, such as sports, singing, playing the violin and keeping a diary. I like sports very much. I go running at five clock in the morning. After classes in the afternoon, I play tabletennis with my friends. These sports have kept me healthy. At home, I like to sing and play the violin. I practice singing and playing the violin every day. Busy as I am, I am quite happy. Of all my hobbies I like reading books best. In my bedroom there are nearly six hundred books. There are story books, textbooks, magazines, and others. All these books have enriched my knowledge. 30)你給他回信，提出旅游建議。Dear Sam:I have just received your letter and know that you are going to e to China to see me. I am really excited by it. You know I miss you so much. In your letter, you mentioned your travel plan. I advise you to go to Beijing and Xi’an. There are many royal buildings in Beijing like Palace Museum, Summer Palace. Xi’an is typical of old China. There are lots of historical buildings there, especially those of Qin Dynasty. I hope you enjoy your stay in China. I am looking forward to your ing. Yours ever