2015-2016学年北师大版 选修八 unit 22 Environmental ProtecionLesson 1 Global Warming B课件 (21)
2015-2016学年北师大版 选修八 unit 22 Environmental ProtecionLesson 1 Global Warming B课件 (21)第3页

Objectives ■ To practise using reporting verbs, e.g. warn, tell, ask, promise. ■ To practise using vocabulary related to global warming. ■ To learn about the causes of global warming and raise our awareness of protecting our globe. ■ To talk about how to help reduce greenhouse gases.