●     内容： 介绍智能手机的起源与功能，并展望其未来发展。

●     选材理由： 科技是中学学生高度关注的领域。这篇文章能同时运用一般过去时（描述历史）和未来时（展望未来），是综合运用时态的理想材料。

●     语法重点： 一般过去时，未来形 (will, be going to)。

●     拓展建议： 让学生以小组形式讨论“未来的学校会是什么样子”，并用未来时态来表达自己的想法，培养其口语表达能力。

课文：

The first mobile phonewas invented in 1973 by Martin Cooper. It was a very big phone, and it was onlyused for making calls. In 2007, the first iPhone was introduced to the world.This was a new kind of phone. It was a smartphone. People coulduse it to send emails, listen to music, and go on the Internet. Now,smartphones are used by billions of people. They are essential for daily life.In the future, phones will be more powerful and smaller. They will use newtechnology to help us. For example, they will be used to control robots and help us find clean energy.They might even be used to help doctors with surgeries. Whoknows what else they will do? The possibilities are endless.