篇一：
Today，we are talking with a special phone――smartphones.
We know that it is popular that smartphones is among young peoples. It is known as easy to play, smart, and so on But do you know it does harm to everyone?
More and more young people rely on it and even are addicted to it, like taking drugs, nowadays.Yes, it is worth playing, but what about playing too much? of course. it is harmful. it can make your skin loose, and you will also have smartphone face because of too long bow.
So, to be honest, I advise you not to play too much on your Smartphones,because it is harmful to our health.
With the development of science and technology, smart phone becomes more and more popular. Even the students on campus begin to use handphone. Is it a good or bad thing?
Smart phone , on one hand, is good for students. For one thing , it enables students to keep in touch with their friends and family more conveniently and quickly. For another, it makes students fashionable and proud.
On the other hand, smart phone has a negative effect on the students. First , it will cost them more money than before. Second, it will distract them from their study and life. Third, it will sometimes become a nuisance especially when it rings in classroom or in the library.
So , smart phone is a good thing .However , the students should use it well .
篇二：
Advantages and Disadvatages of Mobile phonesAs every body knows,mobiles are playing a important part in our daily life nowadays.But they have bot advantages and disadvtanges in my opinion.
First,mobiles make it convinent for people to keep in touch with each other whevere they are.
Especially when they have something important.It reduces the cost for people dont have to travel a long way to get to know the things in personSecond,we can send messages by mobiles with little money,just 0.01 yuan for each short message.third,we can also play games or take photoes or listen to music on the mobiles,late we do many things on them with the development of technology.But they also have many disadvatages.
We have to pay for the wrong numbers which are not for us.The radioactivites may do harm to our health.Sometimes the rings may affect others in public or at meetings.