利弊型英语作文范文(共6页).doc

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1、精选优质文档-倾情为你奉上利弊(Advantages and Disadvantages of题型)事物总是一分为二的。写作题目中有许多涉及某一事物的正反两方面。例如：凡涉及到利弊的题目时都可用下面的这个套路。套路：Nowadays,play(s)an important part/role in(is/are popular around us).Like everything else, has/ have both favorable and unfavorable aspects. Generally, the advantages can be listed as follows.F

2、irst,Besides,Most important of all,But every coin has two sides. The negative aspects are also apparent. To begin with,To make matters worse/Worst of all,.Through above analysis, I believe that the advantages/positive aspects outweigh the disadvantages/negative ones. Therefore,例文：On Computers电脑的利弊No

3、wadays, computers are very popular around us. Like everything else, computers have both favorable and unfavorable aspects. Generally, the advantages can be listed as follows.First, computers can calculate. They can make work more efficient for they have a high speed of calculation. Besides, people c

4、an communicate with each other by E-mail, which costs people less money and less time. Most important of all, computers create wide communication around the world. People can communicate with each other by joining Internet. They can make friends all over the world.But every coin has two sides. The n

5、egative aspects are also apparent. To begin with, since computers can do a lot of work for us, such as calculation, we may rely too much on them and become lazier and lazier. To make matters worse, although it is convenient for people to communicate with each other by E-mail, the original warm relat

6、ionship may become cold, for people will have fewer opportunities to talk to each other face to face. Worst of all, computers will have virus caused by electronic hackers so that a lot of important information will be lost.Through above analysis, I believe that the positive aspects outweigh the nega

7、tive aspects. Therefore, I believe, computers will have a bright future.Now, the Internet is playing an important part in our daily life. Recently , we have had a discussion about the advantages and disadvantages of the Internet . Different students have different opinions.Some students think the In

8、ternet is good. We can learn the latest news at home and abroad. Almost all of us have a QQ or MSN, and we can get in touch with our friends easily. Whats more, we can send an e-mail to our friends and chat with them on the Internet. However , each coin has two sides. There are also some disadvantag

9、es. It is easy for us to make bad friends on the Internet . Many students are addicted to the Internet, which is bad for their eyes and health. In my opinion， the Internet has both advantages and disadvantages. We are supposed to make good use of the Internet rather than get addicted to it.网络的利弊With

10、 the development of the science and technology, the computer has been becoming the necessity for people in the 21st Century. Following, network is of close link with our life, bringing us incomparable convenience on our life and work.Through the network, we can search for useful data and get to know

11、 the current events. When you play computer games after a long-time work, it can relieve your pressure and make you feel relaxed. Besides, playing online games is not all bad, for it can fulfill students entertaining requests as well as practice their response ability.However, there still exist some

12、 disadvantages in the network. The radiation from the computer will do harm to peoples health if you keep on watching the computer for a long time. And short sight may cause by it for your eyes stay tense. At present, there are too many games on the Internet, but some of them are not of good quality

13、 even containing some unhealthy content like violence and so on. Duo to the lack of recognizing society and self-protection awareness, some students get addicted in the games and online dating.In fact, network is not that horrible, as long as we know more about it, it will become our right hand on o

14、ur studies. Lets build a clean network world together.手机的利弊Cell phones have become increasingly popular in China these days. Wherever you go you can see people using cell phones. Many college students, even high school students, have cell phones. Cell phones have brought people a lot of benefits, bu

15、t the most important is that they are convenient. With cell phones in their hands, they can keep in touch with anybody they want. If they want to get some information from the Internet, they can easily have their dream realized via cell phones too. Furthermore, if someone has a heart attack or a tra

16、ffic accident, a call to emergency hospital or to the police can quickly bring him the help he wants. However, cell phones can also bring people problems. The most serious is the electric wave radiation which is thought to be harmful to users brains. Another problem is that when people are having a

17、meeting or having a class or at a concert etc., the ring of the cell phone may interrupt others. So I think people should use cellphones as little as possible and turn them off when they are attending important meetings or attending classes.科技发展的利弊The rapid development of science and technology has

18、brought about great changes to human life. The great benefit brought about by this progress is hailed in every corner of the world. New electronic appliances have made our life simpler than ever before. New inventions have helped us to organize our daily activities. Our job can be done faster. Mobil

19、es and QQ have made it easier to communicate with other people. Internet has enabled us to know and understand other culture and society better. However, the disadvantages about this development should not be neglected .Some of scientific inventions have even caused great harms or disasters to manki

20、nd. For example, advanced technology can be easily manipulated by irresponsible persons. Besides, we will be too dependent on it. When technology fails, we are helpless Sometimes, it affects our health and life styles (well be complacent and lazy.) The chemicals may be hazardous).Whats worse, Scienc

21、e and technology may even destroy our simple and healthy life (Sometimes How we miss the traditional style of living!). In addition, the appearance of new technology may invade our privacy. To sum up, humans must be alert against the possible harm while enjoying the benefits from them.机器人的利弊Intellig

22、ent machines such as robots are increasingly being used. They can do many things that used to be done by human. Discuss the benefits and dangers.For centuries, people have fantasized that someday machines could have intelligence like mankind and work as faithful servants. Today this dream has come t

23、rue in many fields thanks to rapid development in artificial intelligence research. Wonderful as this seems, machines have problems.To begin with, people lose jobs when machines take their places, especially in the mass production industry such as automobile business. In factories of the famous car

24、company Ford, almost every step of car making is done by giant robots that work faster with higher reliability and precision than human labor. Because of the adoption of robots, thousands of workers are put out of their old jobs and forced to make changes in their work. Even such changes create job

25、opportunities because robots need people to take care of and operate; the number of new jobs is much smaller than that of lost, thus causing huge pressure on the labor market and government. People become less smart because of the wide use of machines in their life. Nowadays people need to use their

26、 brain less than they did in the past. Everything is programmed and the only thing we need to do is to push a button or throw on a switch. This has given us great convenience but made us lazier and less smart. Everyone has the awkward moment troubling with the spelling of a simple word when writing

27、with a pen. But with a computer, it will automatically proofread the spelling and grammar of your writing. So people become less concerned with learning things right. This is not a progress but a regress of our intelligence and culture. But machines have many benefits that nobody can deny such as gr

28、eat work efficiency and low cost of mass production. The workload that could take months to finish by manual labor could be done flawlessly by robots in minutes. We have more purchasing power to enjoy a wider variety of goods and services because of the reduction of production costs with factories u

29、sing machines. Other benefits include that machines could do dangerous jobs for people in high risk businesses like mining and construction.To conclude, machines have many merits that make our life easier and more convenient, but they have caused many problems such as undercutting our job opportunit

30、ies and overdependence on machines.电脑的利弊Computers are good or notIn the last hundred years, people have set a new mind-blowing rate for the developing of new technologies. New produces are being conceived every minute of every day, all of which will impact people in some respects. However, in all th

31、ese technologies and produces computers have been the most important influences on people. Some people assert that computers have made life more complex and stressful, while some people believe that computers have made life easier and more convenient. From my point of view, the advantages of compute

32、rs are the leading sides and computers become a necessary part in peoples lives. Perhaps computers may quicken our pace of life and make our life more complex and stressful. With the development of computers almost every jobs need people who are well up in computer technology. People, who want to fi

33、nd a good job, must learn how to use computers. On one hand, the computer technology is a very complex subject. If you want to use computers very well, you must take a lot of time to study and practice it. On the other hand, computers develop so fast that people must study new technology constantly.

34、 Those all make people feel stressful. Even though there may be one or two disadvantages to develop computers, the advantages fast outweigh them. The major point for my penchant for computers is that computers can help people do many things, including complex computation, storing and searching infor

35、mation and some work that is dangerous for people to do. For instance launching a rocket up to outer space needs so complex computation that people cannot do it without computers; searching the newest information is of vital importance for business, so people will not be success in business without

36、computers. Computers have facilitated many of our working processes and we have already grown dependent on them. Another advantage of computers is that people can use them for entertainment in spare time. From pc games to online chatting, computers have the ability to entertain us in a wide verity o

37、f ways. After a busy day, playing pc games is the favorite thing of most of my classmates. And in todays life, a lot of young people could have not televisions, but they must have a set of computer. Now many films display fascinating images by using computers to deal with them. In a word in spite of

38、 the fact the computer appears to have made life more complex and stressful, I fell that the advantages are more obvious. Computers have become an integral part of everyday life. They can help us do much work and make us funny.核能的利弊Nuclear power plants provide about 17 percent of the worlds electric

39、ity. Some countries depend more on nuclear power for electricity than others. In France, for instance, about 75 percent of the electricity is generated from nuclear power. There are more than 400 nuclear power plants around the world. To build a nuclear reactor (核反应堆),what you need is some mildly2 e

40、nriched uranium(铀). Uranium is a fairly common element on Earth,incorporated3 into the planet during the planets formation(形成). U-235 is one of the few materials that can undergo4 induced fission(诱发性核裂变). Raising and lowering the control rods(杆，棒条) allow operators to control the rate of the nuclear

41、reaction. When an operator (操作员) wants the uranium core to produce more heat, the rods are raised out of the uranium bundle(捆，束). To create less heat, the rods are lowered into the uranium bundle. The rods can also be lowered completely into the uranium bundle to shut the reactor down in the case of

42、 an accident or to change the fuel. The uranium bundle acts as an extremely high-energy source of heat. It heats the water and turns it to steam. The steam drives a steam turbine(汽轮机), which spins5 a generator(发电机) to produce power. Well-constructed nuclear power plants have an important advantage w

43、hen it comes to electrical power generationthey are extremely clean. Compared with a coal fired power plant, nuclear power plants are a dream come true from an environmental standpoint (立场，观点). Unfortunately, there are significant problems with nuclear power plants. Mining and purifying(提纯) uranium

44、has not, historically, been a very clean process. Improperly functioning nuclear power plants can create big problems. The Chernobyl6 disaster is a good example. Spent fuel from nuclear power plants is toxic (有毒的) for centuries, and, as yet, there is no safe, permanent(永久的) storage facility for it.T

45、he nuclear crisis in Japan has developed rapidly, which makes us to think over about exploration of nuclear power. Fears about nuclear safety which took a generation to overcome have appeared again.Supporters of nuclear power say nuclear power produces nearly no conventional air pollution, which is

46、called as clean energy”. Besides, our technology develops quickly. Therefore, risks such as natural disaster can be avoided. we can benefit from the exploration of nuclear power.However, opponents worry that the complexity of design and engineering of nuclear plants(核电站)Any failure or operation erro

47、r could lead to serious result. It will pollute soil and plants and do harm to humans and animals. In my eyes, we should continue the exploration of nuclear power. Not only does it bring lots of profits but also it is the best choice we have. Compared with other energies like sunshine, wind, and gar

48、bage, it is best to solve the shortage of coal and natural gas. As you know, it is the most efficient and realistic means of meeting the rapidly-growing demand for power. 关于远程网络教育利弊的英语作文With the popular visitation of the internet, network classrooms are gaining more and more popularity. As a new tea

49、ching pattern, network classrooms have become an effective compliment to traditional classrooms. So some people propose on question “Will network classrooms replace traditional classrooms?”As to this question, the opinions vary from one to another. Some people think it quite possible for network classrooms to take the place of traditional classrooms. First, network classrooms neednt have face-to-face communication, and are not limited by time and place