精选优质文档-倾情为你奉上人教版中考英语作文训练high technology productsIn my opinion, smart mobile phones play a very important role in my daily life. I can use it to send text messages, play games, watch videos, listen to music and surf the Internet. It is very convenient and useful. In fact, high technology products such as smart mobile phones are making our life more colorful.However, every coin has two sides. Sometimes my classmates spend too much time on using their smart mobile phones and cant pay a