Unit 6 Natural disasters江苏省灌云县鲁河中学 徐秀婷Language functions and focus:Use “because” “as” and “since” to introduce the reason for something, e.g. some children screamed because they were very frightened.Use “to” infinitives to report someones orders, requests and advice. e.g. Mr. Wu told us to go home.Use vocabulary to describe weather conditions and natural disasters. e.g. The weather today is sunny but itll be cloudy tomorrow.Language skills:Listening:1. Recognize key expr