有关手机发展的英语演说稿.pptVIP

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 worlds first mobile phone, the DynaTAC 8000X weighs 2 pounds, talking time for half an hour, the sales price of $3995 Martin Cooper is Known as the father of mobile 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 ? 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） mobile phone Motorola: 8900 The first capping (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 ago People used the phone like a brick. About 10 years ago My phone is smaller , not like a brick. Nowadays Looking 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 on Install 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 .