Unit 4 Global Warming Period 2 Language Points
Learning aim :Learn and grasp the usages of some important new words and expressions.
Learning important point: Use some useful words and expressions correctly.
Learning difficult point: Make sentences after the useful sentence patterns.
使用说明及学法指导:1. Discussing, summarizing and practicing 2 .Cooperative learning
使用说明及学法指导:1. 通过阅读课本P25-27,完成预习案。2. 完成时间:30分钟。