有关手机发展的英语演说课件.ppt

Unconsciously ,mobile phones have come into our lives more than 30 years. As people’s living standard rises, mobile phone has gradually transformed from luxury into very popular consumer electronics product up to now. By reviewing the process of the development of mobile phone, it has changed a lot in the terms of the appearance or the function. The development of mobile phone got through transformation again and again. It forms the modeling of diverse, multiple functions, and it is no longer a single communication tool.Motorola DynaTAC is the world's first mobile phone, the DynaTAC 8000X weighs 2 pounds, talking time for half an hour, the sales price of $3995Martin Cooper is Knownas the father ofmobile phone.It is like a brick , but this changed people’s life.This is the original of several kinds of mobile phone’s appearance.Hearing these familiar ring , what do we think of ? In just a few years , mobile phone’s shape began to In just a few years , mobile phone’s shape began to change . they are smaller than the original , lighter change . they are smaller than the original , lighter than the original. than the original. Smaller and lighterIn addition, their shape began to diversify. Function also began to increase , such as sending short messages，MP3,MP4,and so on.The first cover type（滑盖）（滑盖） mobile phone Motorola: 8900 The first capping (旋盖旋盖)Motorola mobile phone V70 The first minimum Motorola mobile phone: 998 First MP3 integrated music function phone Mobile phone developed rapidly, just like a gust of wind. About 20 years agoPeople used the phone like a brick.About 10 years agoMy phone is smaller , not like a brick. NowadaysLooking here ,my beautiful smartphone.Abaut 5 years ago I can use my new phone.All those changed so fast.When it comes to smartphones , what crowds into our minds is Apple , Samsung and so on . Their appearance is very good-looking , and their functions are more powerful as well.Basic function GPS navigation Surf the Internet Go shopping through the Internet And so onInstall the learning software to learnThe history of mobile phones’ development is very short . During the past 30 years , it has developed from the oldest appearance into what we use now . It is not only to make a phone call , but also there are more good functions . It also makes our life become more convenient and quick .。