关于手机的英文PPT课件
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My favourite：mobile phone we called it “elder brother big”(大哥大) in the
age of The 1st Generation Telecommunication(1G).
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Nowdays most of us use cell phone with 2G-tech.
• author:Zhong Yi
• number:06105005
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At first， let 's have a guess .
It's a “toy” but it always be expensive. It is small but with high-tech. We love it and also hate it.
we love it because it brings us convenience and happiness.
We hate it because it wastes us a lot of time .
Who can guess what it is from my description？
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an advertisement of Moto Droid x
another advertisement of Moto Droid x
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百度文库
THANK YOU!
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Maybe few second generation of richs(fu-er-dai) in our class is using 3G Phone .
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• Nowdays there are some mobile phones with its own CPU, RAM,ROM and Disk just like a PC,we call them samrtphones.Most smartphones have both 2G and 3G functions.The characteristics of 3G are video calls , high speed internet and high charge.