M5U2 The Environment 学案In this unit, you willread a debate and two articles on the environment listen to a news report and information about desertification discuss protecting the environment design a poster write a report about protecting the environmentPart I Word study 1I. Words and expressions1. consultant n. 顾问consult 商议, 商量 viThey consulted long, but could not decide.及物动词 vt.(1) 请教, 咨询; 找(医生)诊治 He consulted the workers to understand the technical process