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,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Nowadays, 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 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 negative 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 relationship 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 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 Internet 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 disadvantages. 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 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 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 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 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 our 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, 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 realized via cell phones too. Furthermore, if someone has a heart attack or 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 people are having 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 litt