题目：Some people believe that there are many dangers associated with teenage use of cell phones because of the potential for bullying or abuse.Others say that cell phones have greatly improved teenagers’ lives.Evaluate these two viewpoints and give your opinion.

It is an age of science and technology,and cell phone have become a must for many people.Some people think that cell phones have a lot of negative effects on teenagers,but others think that cell phones have changed the lives of teenagers.

  The use of cell phones does have a lot of dangers,teenagers are in a rebellious stage,there is no firm ability to judge right and wrong.Some people may seize the opportunity to spread some negative information to teenagers and give teenagers a wrong idea,so that teenagers fall into it.So it is necessary to worry about the danger of teenagers using cell phones.

  But on the good side,cell phones do provide teenagers with a lot of things they want to know.Whether in study or in life,cell phones can give teenagers the answers they want at any time and anywhere,through which teenagers can broaden their horizons,enrich their own experience,break through the limitations of books,and make their own thinking more beautiful.So cell phones have changed the lives of teenagers.

  In my opinion,the use of cell phones has advantages and disadvantages,as long as the legitimate use of cell phones can be approved.Improve your ability to judge right and wrong,resist the temptation of bad information,the use of cell phones is not a dangerous thing.To be more contemporary,to use them.(257 words)