【正文】 1 目前，出國留學(xué)已經(jīng)成為時尚； 出國留學(xué)的優(yōu)缺點； 結(jié)論，是否應(yīng)該出國留學(xué)。 Study Abroad Nowadays study abroad has e into a fashion. Each year thousands of students fly to foreign countries to study, especially to the United States, Canada, Australia, Japan and European countries. Attending schools abroad has a lot of advantages. Firstly, many foreign universities can offer better study conditions and have more advanced teaching equipments, so we can learn much more advanced knowledge of science and technology there. Secondly, students who study abroad may get in touch with people from various countries， hence they can serve as mediators between people of different cultures so as to promote international understanding. Finally, we can grasp and improve a foreign language more quickly and correcting it through more frequently using of it. However, study abroad also present some disadvantages. The cost of living there is so high that many students can’t put all the heart into study. They have to spend much energy on the tuition. Besides, they are far away from their families and relatives. Feeling of loneliness is certainly one of those tough things many students studying abroad have to cope with and it is also true that a significant number of married students find themselves having problems with their marriage. Thus divorce rate is high among the Chinese students. In spite of this, the advantages overweigh the disadvantages. So it is advisable to study abroad and the most important is that we should make contribution to our native country after we finish our study. The Advantages of Learning History in 3 paragraphs. 確自己的觀點； 闡述具體的原因； 總結(jié)觀點。 The Advantages of Learning History When talking about the question whether the students should learn history or not, there are various kinds of voices. Some people say that it is absolutely necessary for the students to learn history. However, there are still a lot of people holding the opposite views. Personally speaking, I favor the former one. The reasons are as follows. First of all, learning history is good for us to learn a lot of knowledge about the whole world and our strong countryChina. In addition, learning history can make us learned. And we can talk with others about history。 we will have more topics to talk to our friends. I believe if we are learned, many people will admire us. Furthermore, learning history will make us make more friends. In a word, learning history has a lot of benefits. We should enrich our knowledge and enlarge our sights. 氣污染的危害； 造成空氣污染的主要原因； 有效的解決措施。 Air Pollution We all know that clean air is important to good health. Wherever you go and whatever you do， you are always surrounded by a sea of gases that we call air. If there are impurities in the air, they may be absorbed by our bodies and make us ill. We need clean air, but unfortunately, air pollution is globally present, especially in cities. Many large cities are anything but pollutionfree. Our cities have many factories, which we need to make food, clothing and other things. Every year these factories pour millions upon millions of tons of smog into the air. Power plants and houses that burn coal add greatly to air pollution. Besides, there are more cars in cities now. Once out on the streets, they will take in fresh air and replace it with poisonous gases. Our country is trying hard to prevent and control air pollution. As long as every citizen realizes its importance and makes joint efforts, the day will e soon when people will take in only clean air. Then, the sunlight will no longer be blackened out by smoke and soot. 哪些方式可以保持健康； 這些方式對健康有什么好處； 表明自己的看法。 The Best Way to Stay Healthy Nowadays health has bee a main topic in our life. People are beginning to attach much more importance to their health these days than ever before. However, many people don’t know how to keep healthy although great efforts have been made in this regard. In my opinion, there are three things we can do if we want to be well. First, we should have the right food, because proper nutrition is the most important for good health. Avoid foods with lots of sugar and fat. Eat plenty of high protein foods, vegetables and fruits. Do not overeat. Secondly, we should get proper amount of sleep, because without enough sleep, we will often feel tired and irritable. Allow ourselves at least eight hours of sleep each day. Have a map at noon if time permits. Finally, we should exercise regularly, because life depends on exercise. Regular exercise strengthens our hearts and lungs. In addition, it prevents us from putting on weight. If everyone is to do so, there will be much less plaining about poor