Unit 3 Life in the future Period 4 using language
Learning aims: Learning about some information of future life
Important point: To grasp some important and useful words, expressions and sentence patterns.
Difficult point: To improve the skills of reading.
使用说明及学法指导：1. 通过阅读课本P22及查阅unit3单词表和字典，完成预习案。(30mins)
