急求一篇英语对话题目 Nowadays almost every person has a mobile phone.

A:Telephone plays a very important role in the current society,It’s been regarded as one of the most valuable inventions in human history.Here we are going to discuss the usefulness and limitations of it.
B:I think telephone is useful to humanbeings.
A:Yes,telephone makes the daily communication very convenient.
B:Thanks to telephone,we would be able to speak to whoever we want to regardless of where he or she is simply by dialling a series of number while sitting comfortably at home.
A:Telephone really makes the world smaller.
B:But i do think telephone greatly reduces the chances of face-to-face communication.
A:I think so.Telephone is easy to use; as a result,we became lazy and less frequently get out meeting people and talking to them.
B:.If we rely on much on telephone,the friends we used to have a very close relationship with might gradually turn out to be strangers to us.

吉大的吧？