高二英语globalwarmingPPT课件

1、Use the new words to complete the sentences.1. We often _ children _ flowers.2. How has the global warming _?3. We burn large _ coal every year.4. The president _ his view on this subject.5. Hard work _ paretocome about quantities ofstatedresults in第1页/共40页Using language-Reading and discussingWhat c

2、an we do about global warming?第2页/共40页What cause the Global Warming?It is too hot!第3页/共40页smoke from cars第4页/共40页smoke from factories第5页/共40页第6页/共40页Water pollution第7页/共40页Deforestation第8页/共40页The war第9页/共40页What are the effects of global warming?第10页/共40页1. What disasters do they mention in this vi

3、deo?2. What cause these disasters? Watch and discuss:第11页/共40页What can we do about global warming?Reading and discussing第12页/共40页Skim the two letters, and answer the questions below:1. Who are the writers of these two letters?2.What is the purpose of writing the letters?3.Do Earth Care agree that in

4、dividuals can have no effect?Task 1:第13页/共40页1. Who are the writers of these two letters?Ouyang Guang and Earth Care.2.What is the purpose of writing the letters?Getting and giving some suggestions.3.Does Earth Care agree that individuals can have no effect?No, Earth Care dose not agree.第14页/共40页Now

5、 scan the second letter and list Earth Cares suggestions in the chart on P30, and discuss whether you can carry out each suggestion. Give reason for your answers.Task 2:第15页/共40页Earth Cares suggestionCan you carry it out?ReasonTurn off electrical appliances. YesSave energyclothes instead of heat.Yes

6、Save energywalk or ride a bikeYesSave energyRecycle; recycled materials.YesSave energy第16页/共40页Earth Cares suggestionCan you carry it out?Reasonparents or friends buy products that are made to save energyYesSave energyYesPlants absorb carbon dioxide from the airTalk about global warmingYesTogether,

7、individuals can make a difference.Plant more trees第17页/共40页Further discussion:From your point of view, which of the following activities will harm our earth the most? Why? How to solve it?第18页/共40页ABCDThe warSmoke from factoryCutting down treeslittering第19页/共40页Anuclear bomb核弹gas bomb毒气弹radiation辐射C

8、hemical weapons化学武器ban the warpeace第20页/共40页Bharmful gasacid rain硫酸雨reduce air pollutionsolar energy太阳能 wind powerhydropower水力发电第21页/共40页CCO floodsdraughtsonly- once chopsticks 一次性筷子paper handkerchief 纸巾第22页/共40页Dpolluteearth surfaceterrible smellreducereuserecycle第23页/共40页A . The War nuclear bomb核弹

9、 gas bomb毒气弹 radiation辐射 Chemical weapons化学武器 ban the war peaceB. Smoke from factory harmful gas acid rain 硫酸雨reduce/air pollution solar energy太阳能 wind power hydropower水力发电C. Cutting down treesCarbon dioxide floods draughtsonly- once chopsticks 一次性筷子paper handkerchief 纸巾D. litteringPollute earth sur

10、face terrible smell reduce reuse recycle第24页/共40页I think B willandbecause.I think A will affect our earth the mostPresent your idea and others can object to it.第25页/共40页Help me, help you, help everyone.Return GREEN to the earth!Help me, help you, help everyone.Return GREEN to the earth!第26页/共40页第27页/共40页第28页/共40页第29页/共40页第30页/共40页第31页/共40页第32页/共40页windmills第33页/共40页hydropower第34页/共40页solar energy第35页/共40页第36页/共40页第37页/共40页第38页/共