【正文】 e because new technology is booming out at such a fantastic speed that many people aren’t feeling at ease with it. However, it does aim at making our lives more convenient and fortable. 八、 體育運(yùn)動(dòng)的好處 體育運(yùn)動(dòng)可能帶來的副作用 你參加體育運(yùn)動(dòng)的體會(huì)。 On Dieting More and more people, especially females, are beginning to go on diet. Some people are concerned with their health, they begin to go on diet in order to lose unwanted weight. But some others, especially the young women, are paying too much attention to their outward appearance, they bee the leading members who go on diet. Dieting is of great benefit to the overweighted people. First, being overweight is bad for one’s health because it leads to heart disease, high blood pressure, etc. Second, being overweight brings about much inconvenience to the life of the overweighted people and dieting enables them to enjoy life more. Dieting also has some disadvantages. For one thing, many people diet not because they really want to live a healthy life, but because they are vain. In this way, they will suffer from malnutrition. For another, Dieters lead a miserable life because they are forever hungry and , at the same time, they have to go through the misery of watching others enjoy their three meals a day. 六、 隨著城市的發(fā)展，城市綠地越來越多；城市綠地的好處； 我們要愛護(hù)綠地。 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(duì)健康有什么好處； 表明自己的看法。 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。1 目前，出國留學(xué)已經(jīng)成為時(shí)尚； 出國留學(xué)的優(yōu)缺點(diǎn)； 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(diǎn)； 闡述具體的原因； 總結(jié)觀點(diǎn)。 we will have more topics to talk to our fr