篇章训练
小小发明，大大改变。我们的生活因为各种科技发明而日益便捷，请你以“My Favorite Invention”为题，写一篇120词左右的英语文章，介绍你最喜爱的发明。
| What the invention is |
| When/Where it was invented |
| Who it was invented by |
| How/Why it was invented |
| What it is used for |
| The influences and its development |
参考词汇:widely，be used for，be enjoyed by，convenient，useful，helpful，communicate…
请在“单元写作小专题(答题页)”相应位置完成。
My Favorite Invention
The mobile phone is my favorite invention. The first mobile phone was invented for US Army in 1938 in America. Until 1973，Martin Cooper from Motorola Company invented the first mobile phone for civil use. Since then，the world has been changed because of the useful invention.
As we all know，mobile phones are being more and more widely used in our daily life. They are used in many ways.
First，they offer fast and convenient service for communication. They are used for calling. We can talk with our friends or parents for a long time. And they are becoming smaller and lighter. It's quite easy for us to carry them everywhere. They can also be used for sending short messages to show our feelings to our friends. What's more，we can surf the Internet on mobile phones. That helps us open up our eyes to the outside world. And when we are tired，we can listen to music to relax ourselves. Our life becomes more colorful because of the invention of mobile phone.
There is no doubt that the mobile phone plays an important part in our daily life.
