Reading 3 1. Presentation P2 2. P3 3. P4—5 Using English Language 21.Explainin in detail2.Exercise P6--10 Speaking 1 Preference and reasons Listening Writing1 Protection our environmentMore practice 21.New words and the main topic2.Explain in detail Class design arrangementThreats to the earthThe Greenhouse EffectDestruction of the rain forestsDamage to the ozone layerBad habitsatmospherechemicalscarbon dioxideburning fuelsmainlycaused bypolluted byThe greenhouse effectThe greenhouse effect1) green consumer: 绿色消费者 consumer: ( 解释 )a person who buys or uses something, customer (词性转换) v: consume( 例句) The consumers complained about the poor quality of the electronic products.2) guide 1. 指南, 指导手册 2 .导游, 向导 3 .旅游手册 (例句) You may read the guide to French wines first. (例句) We found a guide who knew the mountains well.(例句) This is a newly published guide about Shanghai.3) in danger: 处于危险中 danger: 危险 (词性转换) adj: dangerous4) vital: 致命的,重要的 ( 解释 ) essential, very important (词性转换) adv: vitally(例句) 1. It’s vital that we do something to save the earth. 2. Oxygen is vital for life.5) save the earth: 拯救地球 save: 拯救,搭救(词性转换) adj: safe n: safetyadv: safely6) first of all: 首先 (例句) First of all, let’s invite Mr Wilson to give us a speech.7) threat: 危险,危害,威胁 ( 解释 )danger (词性转换) v: threaten 威胁 , 恐吓 (例句) 1. What are the threats to the environment?2. Corruption and crime are serious threats to any society.8)lifeless: 无生命的 (反义词) living ( 解释 ) out any form of life ( 例句) We think that Mars is a lifeless planet. 9)act: 生效,发生作用 ( 解释 )do sth. or behave in a certain way(词性转换) n:action, actor, ac...