【正文】 二、科技、文化、體育范文 1The Tape RecorderThe tape recorder is one of the most wele and popular electronic devices ever invented. There are many types of recorders. Some may be as big as a hand box some may be as small as a watch. Now a new type called Walkman has e into being, which is so convenient that you can take it with you wherever you want to go. It is also very cheap, about forty or fifty yuan, and the most expensive one costs only several hundred, and it is very easy to handle even for a child. Therefore, almost each family has one or two recorders.This device is useful in many ways. It is not only widely used in our daily life, for example, filming, sporting, exercising, but also used in National Security. It is an essential instrument for the young to learn foreign languages, for the old to listen to music or Peking Opera and for English teachers to make their class lively and interesting.However, it can also bee a nuisance if we use it improperly. It will have a bad effect on others or ourselves if we play it too long or too frequently. So we must make good use of it to promote our study and work.范文 2ComputersThe puter is a wonderful machine. It is the most important invention in our modern time. Today it is used a great deal in many ways. In the future the puter will probably touch the life of every one, even people in remote villages.Computers can do many kinds of work. For example, in big shops, information about the sale is put into a puter. During the night the puter works on the information from all the sales that day. The next morning, the manager has a report on everything that will soon be sold out. In scientific researches, a scientist can “ask” a puter some questions. This is almost like talking to another scientist.In the past few years there have been great changes in puters. They now can do most of the things that people do, though most scientists have no idea about what puters of tomorrow will be like. Will they make life better, or will they bring suffering to people? People today have tos population, the rising demand of water by industry, and the serious pollution of our surroundings, the world is facing the danger of running out of fresh water. Actually, in some big cities, fresh water cannot meet the daily needs.Therefore, it is up to us to find new ways to save water. First, we should make the best use of water, and not waste it. Second, scientists must work even harder to purify seawater, polluted water and try to find solutions in industry to reduce the use of fresh water.范文 8Men and the EnvironmentThe world we live in is being more and more intolerable because of environmental destruction. For example, deforestation results in unpleasant weather. In addition, man is faced with problems of water pollution and air pollution.Many remedial measures have been taken. Planting trees helps improve and beautify the environment. Forbidding factories from pouring dirty water into rivers help purify and save the precious water resources. Some other plans concerning environment have already been put into practice and they have achieved good results.However, the problem of environmental pollution and destruction are getting worse and worse in the world. To certain extent, the lack of knowledge about the importance of protecting the environment hinders the solving of the problem. We must educate people to know the importance of environmental protection. In a word, there is a long way to go before we enjoy a clean and fortable world.范文 9No SmokingSmoking is harmful. This has been proved by scientific experiments. However, many young people are still getting into the habit of smoking even though they have e to realize how serious this proldem is.Smoking does not only harm the smokers but also people around them. Some people who don39。t disturb them. If a letter is from someone you don39。s economy, I think the number of bicycles may reduce, and that of cars may increase. But we must admit that a bicycle will still remain its important role in Chinese people39。s most prestigious university and later gained good reputation in her career. Her luck is not a bit damaged by her “bad birthday”.In a word, numbers are numbers. They stand for nothing but quantity. Numbers have nothing to do with luck.范文 2On Making FriendsAs a human being, one can hardly do without a friend. If we don39。 1