手机的利与弊托福作文

在当今网络时代，人们传递信息的方式已经渐渐发生了变化，几乎人手一部手机，手机对于我们来说是有利有弊的。

智能手机的利与弊

Over the course of the past one hundred years the automobile has become a staple of modern society, and itsimpact has been considerable. Yet the question of whether it has improved our live or caused serious problems isirrelevant, because the automobile has done both. Consequently, we should develop its strengths and seek tocorrect the problems it continues to cause in order to reap greater benefits from this tool.

With the invention of the automobile the age of transportation shifted into another gear. Quickly it becamepossible for people to travel more comfortably and conveniently to destinations near and far, and the figurativeworld moved closer together. Trucks carried cargo across countries and soon became serious competition for trainsand ships. As a result, food and other consumer goods have become available even in remote areas, overall livingstandards have improved, and the automobile industry, which has grown fantastically over the course of the pastcentury, employs millions of workers worldwide.

However, as societal reliance and global economic dependence have grown together with the automobileindustry, many significant problems have surfaced. Car and truck exhausts pollute the air in metropolitan areasaround the world and thus create serious health problems. The continued use of fossil fuel engines and thescarcity of oil have led to much political strife and even war, particularly in the oil rich region of the Middle East.

As the powerful automobile industry remains reluctant and has yet to successfully promote an engine type thatdoes not rely on gasoline power, the problem of fossil fuel shortage will become an even more serious problem.Since the automobile is here to stay we must not only enjoy its conveniences, but we must also aim to reducethe problems it has caused, for example air pollution and over reliance on fossil fuel engines. In the same vein, wemust encourage the usage of alternative fuel sources, which have been researched and developed successfully. Thenthe benefits of the automobile will outweigh the serious problems.

手机在学校中的利与弊

There are some primary schools and secondary schools stipulate that the student bring the cellphone to school is not allowed. There is a lot of discussion about whether the students use the cellphone is good or bad.

The supporters think the cellphone is widely used today, the students usually keep themselves in touch with their parents or guardians via the cellphone any time. As for the security issue, the cellphone is necessary. On the other hand, the students can use it as a tool of study. They can search the study materials on line by using the cellphone, it will cut down much cost of the time, make the study more efficiently.

And other people think that the juveniles is not matured enough to use the cellphone in the right way. There were some reports said that some students used the cellphone to cheat in the exam. And also, many parents found that their children would attain some inappropriate information from the net service on the cellphone, it is not easy to supervise that. What the worst result is, they become a cellphone addict, stick to the cellphone anywhere anytime.

There are the advantages and disadvantages of the cellphone, I think the most important of all is how to use it as the best tool of our life instead of letting it control your life.

手机在生活中的利与弊

【一】

Mobile phones are the main invention of modern technology.They are completely part of our daily lives。 If we look at our society,we can see that all kinds of people are using mobile phones.Maybe they have many advantages,but they also experience drawbacks.

The main advantage of mobile phones is that people can use them anytime and anywhere,so they can use one for an emergency.

In addition,people can access the internet whenever they use the mobile phones,so business people can use mobile phone at work to get information from internet more convenietly.

Moreover,it is very easy to send messages to your friends.Mobile phones can make people keep intimacy in spite of long distance.

Mobile phones are turning the world into a small vilage where we can commmunicate with each other easily and simply.

Finally,another point in favour of mobile phonesis that you can avoid disturbing anyone when he is sleeping or working because in that case people often turn off their mobile phones.

On the other hand,there are some drawbacks,too.Firstly,the most important disadvantage is the unknown effects on health in case of over-use.Scientists found that mobile phones can cause brain cancer.

If you talk for so many hours,you are going to have headacheand ear problems.Secondly,the mobile phone stimulate home for the high cost of communication.

If you are in 3 membered family,you would spend a lot of money on mobile phone.

Because two to three of family have it, it cost about 150-200 D in a month.

Furthermore,the inappropriate use of mobile phones could be bothersome.

For example,it is very inappropriate to hear a mobile phone ringing during a formal conversation,during a lesson,in a libraryor in a cinema.

Finally,mobile phones waste people too much time.

An Amerian survey show that the teen-ager will spend average 2 hours to send messages every day.

In conclusion, there are some benefits and drawbacks to mobile phones.

Personally,I don't like mobile phones very much,but I need use them.

It seems to me, mobile phones are good only if you use them correctly and politely,as in this case,all technology is beneficial!

【二】

Recently,short messages become more and more popular with both the young and the old.People accept the convenient way of communication and some even cannot live without them.

As to the easons why so many people are in favour of the short messages,in my opinion,there're three points.First, it can save time if you want to inform your friends of something in one or two words by sending a short message.By comparison with letters or email,short messages are really more quick for others to receive you as the mobile phones are always with them.Second,short messages cost less than making a phone call.Third,people who are not very familiar with each other can chat by short messages more easily,through which more and more people can know of others and become friends.

However,nothing that is perfect exists in the world.Short messages also have some disadvantages with them.Some people cheat or fool others by telling them that they have won some prizes through short messages.Also,taking advantage of people's ignorance,some websites charge a good deal of expenses form short messages.

Above all,short message is product of the hitech nowadays.It will serve us very well if we make proper and full use of it.