要一篇英语的演讲 topic随便 250字左右

Hello,ladies and gentlemen,it gives me great honor to stand here. Today, i'd like to talk something about the mobile phone.
If we call the computer the most important invention in the 20th century,then I believe, that titile should go to the mobile phone in the 21st century. Now,almost everyone,either from urban cities or rural areas, is equipped with his or her own mobile phones.They make our life more convenient, for instance, whenever you want to talk to somebody else,wherever you are, just dial his phone number by your phone, then you can make a conversation with him immediately,isn't it easy? In addition, text message is also a simple way to get in touch with your friends,and much cheaper of course.Besides communication, mobile phones can also be used as a way of entertainment. You can listen to music,watch movies or log onto the internet with your phone.
However,every coin has two sides.dispite so many advantages,we can't ignore the disadvantages of mob