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on. We may say that our social construction is like a skyscraper that cannot be built up without the help of science and technology. Therefore, we should try our best to contribute to the development of science and technology so as to provide a more solid base to build our country. \[范文 4\] What Would Happen if There Were No PowerEver since early this century, electricity has bee an essential part of our modern life. It has played a decisive role in modern industry, agriculture, science and technology, national defense and education. Nobody can deny that the development of our civilization depends on there were no electric power, our modern world would be in great trouble. For one thing, all the wheels would stop because the motors that power the machines would stop. For another, many of our industries would cease production. And all the electrical equipment such as washing machines, refrigerators, TVs would stop working. In short, our modern life would be impossible without , we should make better use of electric power. On the one hand, we should educate people to economically use electricity and not to waste the energy resources for the future. On the other hand, we must do our best to exploit more electric resources to meet the requirements of the human beings and to avoid energy crisis in the future. \[范文 5\] My Most Favorite ProgramNowadays radios and TVs play a more and more important role in our daily life. There are many programs shown every day. Some of them are very good. My most favorite program is called the Animal World, which is provided by CCTV every Sunday and bred in the city, we can cot see any wild animals, and the program just pensates for it. It provides us with natural scenes and life of all kinds of wild animals with the explanation of the narrator. We also learn some knowledge about animals, even some plants. So, in my opinion, it is an interesting as well as instructive program. Besides, the pictures are very beautiful and some