利弊型英语作文范文

1、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.First, Besid

2、es, 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Nowada

3、ys, 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 can c

4、ommunicate 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 negat

5、ive 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 relations

6、hip 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 negative

7、 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 Interne

8、t 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. What s more, we can send an e-mail to our friends and chat with them on the Internet. However , each coinhas two sides. There are also some disadvantages. I

9、t 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 the

10、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 the

11、current events. When you play computer games after a long-time work, it can relieve your pressure and makeyou 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 people's 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 qual

13、ity even containing some unhealthy contentlike 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

14、 our studies. Let's 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 benefi

15、ts, but 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 realizedvia cell phones too. Furthermore, if someone has a heart attack or

16、a traffic 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 peopleare h

17、aving a 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 technol

18、ogy has 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 faste

19、r. Mobiles and QQ have madeit easier to communicate with other people. Internet has enabled us to know and understandother 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

20、mankind. For example, advanced technology can be easily manipulated by irresponsible persons. Besides, we will be too dependent on it. When technology fails, we are helplessSometimes, it affects our health and life styles (we'll be complacent and lazy.) The chemicals may be hazardous).What's

21、 worse, Science 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

22、器人的利弊Intelligent 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 dre

23、am has come true 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 th

24、e famous car company Ford, almost every step of car making is done by giant robots that work faster with higher reliabilityand 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

25、 create job 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. Nowadayspeople need to

26、 use their brain less than they did in the past. Everything is programmed and theonly thing we need to do is to push a button or throw on a switch. This has given us greatconvenience but made us lazier and less smart. Everyone has the awkward moment troublingwiththe spelling of a simple word when wr

27、itingwitha pen. But with a computer, it willautomaticallyproofreadthespelling and grammarof yourwriting.So people become lessconcerned with learning things right. This is not a progress but a regress of our intelligence andculture.But machines have many benefits that nobody can deny such as great wo

28、rk efficiency andlow 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 using ma

29、chines. 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 opportunities and

30、 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 these tec

31、hnologies 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 computers are

32、the leading sidesand computers become a necessary part in people s 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 tofind a goo

33、d job, must learn how to use computers. On one hand, the computer technology is avery 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 newtechnology constantly. Those all

34、 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 mypenchant for computers is that computers can help peopledo many things, including complexcomputation, storing and searching information and so

35、me 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 computers. Co

36、mputers 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 of ways. After

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

38、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 world's electricity. Some

39、 countriesdepend more on nuclear power for electricitythan others. In France, for instance, about 75percent of the electricityis generated from nuclear power. There are more than 400 nuclearpower plants around the world.To build a nuclear reactor ( 核反应堆 ),what you need is some mildly2 enriched urani

40、um(铀 ).Uranium is a fairly common element on Earth,incorporated3 into the planet during the planet'sformation( 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 reac

41、tion. 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 shutthe reactor down in the case of 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