internet is now coming into our life. it brings us not only a lot of convenience ，happiness but also troubles. some students use internet as a too to study. they look up the meanings of the words， a translated form of a sentence，the background of an *nt or a story ，the *rmation of a company or a famous person，etc.
they also read news or send e-mails through it. internet *s them learn * and study well.
on the other hand，some students play *s，chat with friends ，see the pictures or films *n the unhealthy ones on the internet the whole day. they are not interested in their subjects. it’s very *erous for them!
the internet’s advantages and disadvantages are shown clearly to us. i think we should make good use of it and stay away from the unhealthy websites.
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