nature论文范文

什么主题都可以吗？这里给你几篇作为参考吧，希望可以对你有所帮助1.城市生活与市郊生活It is really hard to say which is better than the other, city life or rural life, because each has its merits and in a city, people have certain advantages. First, people enjoy various entertainments, both foreign and domestic. Second, there are more cultural activities in a city. Third, city dwellers gain access to better information service and educational facilities. However, problems exist. The overcrowded population, traffic jam, housing problem, industrial pollution and other issues may result in depression, nervousness and diseases. laving in the country, people can enjoy living in pure nature. They lead a simple and trouble free life. But rural life may not be that perfect. People usually lack cultural activities. They are relatively ill informed . Things go fairly slowly there. And people miss some golden opportunities of making a fortune. The chances of their children being admitted to colleges are , whatever life they lead, people can never feel perfectly satisfied, for conveniences and inconveniences always coexist. People wish that they could enjoy the pleasures of both lives. With the rapid economic development, nowadays city dwellers can relax themselves in the country during vacation; and country people have chance to experience city lifestyle when they come to in the city is very different from life in the villages and on the farms. People in large cities are much more careful to respect the privacy of the individual. Sometimes this feeling seems to be one of indifference, but it is a convention of city life to curb one's curiosity about the personal affairs of strangers. Villagers and farmers are likely to show a great deal of interest in all their neighbors. Opportunities for bright young people are greater in the cities and there has been a steady stream of hopeful jobseekers from the villages and farms to the large metropolitan . As students, we always have a lot of exams/tests every term. Tests are used nowadays to check/examine/measure how well /effectively students study. Exams are a very useful and important educational tool of , exams have some side effects of their own. First, some exams can’t reflect the real progress students make. Second, too difficult or too many exams force students to cheat in exams. Too many exams force students to study for the sake of exams only, to name just a my opinion, advantages of exams far outweigh their disadvantages. Despite their side effects, exams can on the whole check and show how well students study scientifically and accurately. At least so far there has been not any method that take their place in education. Besides, exams seem to be fair to all students as they are objective and everyone is equal before test conclude, exams may continue to exist in our education for a long time before they are replaced by some better measurement to Develop Urban Tourist IndustryTourist is developing very fast with the development of the economy in our are popular with travelling at weekend or especially in their long holidy such 7-day National day,May Day or New years Day .In order to meet the increasing need of people's tracelling, We should make great effort to develop the Urban tourist my opinion, we ought to pay attention to the disadvantages and disadvantages while speeding up the tourist , research is to be done to lear about the people's kind of scene people prefer to go? Do the present places of interest meet the need of the most people?Are the service done well enough?Second, careful plans are to be made make ful use of the natural developing the tourist,emphsis should be laid on how to protect the enviroment from being all, we should't take no notice of the others while emphasising tourist have to take them as a . 人际交流的重要性3. 结论Entering the 21st century, man is now in an age of information and knowledge. In such an age, interpersonal communication plays an increasingly important role and all people have to communicate with is interpersonal communication so important? First, it helps people understand each other better. Second, it helps people get more information and knowledge. Third, without interpersonal communication, our life would become a desert of emotion and friendship. Last but not the least, communication between people makes our life lively, interesting and a word, humans, as social animals, have to communicate with each other, the importance of which can never be is interpersonal communication so important? Interpersonal communication is just like a bridge of understanding between people. For example, it helps students to learn more effectively if one can communicate more with his teachers and classmates. In a family, communication makes the family members understand each other better and get closer. In the workplace, communication between the employer and the employed creates a friendly and helpful working to Study EffectivelyAs students, we have to study almost every day. However, how can we study effectively? Probably not everybody knows. Have a look at the following graph and we may know better about graph shows the relationship between the amount of study efficiency and the hours spent in studying in a day. From it, we can see that more hours of study do not necessarily result in better or higher study efficiency. In the graph, the best amount of efficiency or the optimum of efficiency comes when one has studied for about hours. However, the efficiency begins to drop as he studies longer than . By the time when one has studied for 10 hours in a day, his efficiency of study may become nothing or conclusion, there is always a maximum of efficiency and time for study in a day. More time spent in study doesn’t always mean better efficiency. This may tell us how we can study effectively.如果你觉得满意的话，我希望你能给我一点悬赏分哦~~

据Retraction Watch网站消息，近日，因论文同行评议造假，Springer出版商撤销了旗下十本杂志中的64篇论文。Springer发出声明称，Springer的编辑发现了伪造的邮箱地址，随后进一步调查发现了造假的同行评议。经过更加深入的调查Springer认定64篇论文牵连此事。

New car problem Nowadays more and more families own their private people would find it hard to think what life could look like without a cars have led us to a better life,they have also brought us many new problems. Cars produce wasted gases and smokes,which pollute air polluted air becomes poisonous and dangerous to our the increasing development of cars,cities are becoming more and more is not enough room for cars to be still,more traffic accidents happen in big cities,even in the countryside. More cars need more resource will run out one day if more gas is the same time,some old and damaged cars are thrown away as will cause another new pollution. Plastic surgery. As megical technics has been improved,plastic surgery has became more and more porpular. You can always this on your magzin:One of those celebrities was discovered going to a famous plastic surgery maybe this phenomenon does not only belongs to celebrities,maybe one day,you bump into a stranger who claims knowing you turn out to be your high school friend,and out of the blue,she did a plastic surgry. I cannot help asking myself:What is wrong with this world?Why do people become so desperate to change something that is given by nature?After all,i'm against plastic surgery. First,in my opnion,plastic surgery is a waste of 's the point of making so many doctors and nurces around you when there are so many people in somewhere else are wating for doctors to save their lives? Seoconly,beauty is skin deep,one can never change into a better person only by changing his/her apearence! At last,i wanna say to all these who are eger to do a plastic surgery:If you use your money to save people who need it,you will find yourself become to a person not only beautiful by the cover,but also deep inside. Trees Are Important to Use Trees are very useful to provide us with wood and other give us shade and they help to prevent drought and floods. Unfortunately,in many parts of our country,people haven't realized the importance of cut them down at are usually too lazy or too careless to plant and look after new a result,the forests continue to disappear. Where there are no trees the rain falls on the surface,causing floods,and carries away with the rich topsoil,in which crops grow so all the topsoil is gone,nothing remains but worthless deserted. The big floods of 1998,in parts of China,have already taught us a good every one of us must love trees,protect forests,and keep on planting trees each year.