四级作文例句1、 列举事实、说明现状/正面论述1众所周知，现代科学在我们的生活中越来越重要。It is well known to us that modern science plays an increasingly important role in our life.2众所周知，人类污染的问题长期以来在世界各国人民中一直是被讨论的话题。As is known to us, the problem of human pollution has long been a subject of discussion among the peoples of various countries of the world.3 许多城市面临着繁忙交通的问题，我们不应该忽视这个事实。We shouldnt ignore the fact that many cities are confronted with the problem of heavy traffic.4现在，随着经济的迅速发展，政府非常重视环境保护。Nowadays, with the rapid development of economy, the government attaches great importance to environmental protection.5毋庸置疑，坚定的信念是成功最重要的因素。It goes without saying that a firm resolution is the most important element of success.6I wish to apply for admission to your department as a graduate student. (used for a letter)7 Having heard that you need an engineer, I venture to submit my resume for your reference.8From the graph listed above, it can be seen that the population in this small town has increased from 30,000 to 50,000.9关于快乐，不同的人就这个问题有不同的观点。一些人认为As regards happiness, different people have different opinions on this issue. Some people believe that10正如谚语所说：“时间就是金钱。”As a popular proverb goes well:“Time is money”. This saying is indeed full of truth.2.分析事实、说明原因/反面论述1过去十来年人们的饮食结构发生变化主要有两个原因。There are two chief reasons for the great changes in peoplesdiet in the past decade.2我想，电视广告数量增加原因有三个。There are three reasons, I think, for the growing number of ads on TV.3一方面，我们有理由相信挑战不仅意味着困难，还意味着机会。On the other hand, we have good reason to believe that challenge means not only hardship, but also opportunity.4然而，有一些人认为口语考试对于非英语专业的学生来说根本不必要。However, there are some people who think a test of spoken English is not absolutely necessary for the non-English major students at all.5然而，不幸的是，这些能源资源正在被迅速地用光。Unfortunately, however, these energy resources are being used up rapidly. 6其他人认为广泛阅读是明智的，这是使我们了解国内国外正在发生的事情的最好方式之一。Others strongly argue that it is wise to read extensively, and it is one of the best ways to keep us well-informed about what is going on at home and abroad.7然而，每件事情都有两面性。However, everything has its two sides. Water can also be harmful or even destructive to human beings.8However, no one can deny the fact in big cities the housing problem is not as serious as it is used to be. No matter where you go, you may find many new buildings, some of which are high blocks of flats.9Compared with newspapers, TV provides us with news more quickly and more vividly.10Nevertheless, the computer will never replace man because it has no intelligence of its own.3、看法、结论/办法、措施1Personally, I think planes, the modern means of transportation, have more advantages, and it is more convenient for us to travel by plane.2 In my opinion, the price of a new flat is so high that most people cannot afford it. Even if you want to buy a two-room flat, probably youll have to apply for a bank loan.3From what has been mentioned above, we can come to the conclusion that examination is necessary, however, its method should be improved.4In conclusion, health is more important than wealth. Those who are rich but lose their health are no more fortunate than those who are poor.5In a word, there is no time to be lost in solving the problem of air pollution. We must take some immediate and effective measures to control it.6就我而言，我喜欢城市生活而不喜欢居住在乡村里。As far as I am concerned, I prefer to enjoy the city life rather than live in the country.