课件40张PPT。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 __________ success.comparetocome about quantities ofstatedresults inUsing language--Reading and discussingWhat can we do about global warming?What cause the Global Warming?smoke from carssmoke from factoriesWater pollutionDeforestationThe warWhat are the effects of global warming?1. What disasters do they mention in this video?
2. What cause these disasters? Watch and discuss:What can we do about global warming?Reading and discussingSkim 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 individuals can have no effect?Task 1:1. 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.Now scan the second letter and list Earth Care’s suggestions in the chart on P30, and discuss whether you can carry out each suggestion. Give reason for your answers.Task 2:Turn off electrical appliances. YesSave energyclothes instead of heat.YesSave energywalk or ride a bikeYesSave energyRecycle; recycled materials.YesSave energyparents or friends buy products that are made to save energyYesSave energyYesPlants absorb carbon dioxide from the airTalk about global warmingYesTogether, individuals can make a difference.Plant more treesFurther discussion:From your point of view, which of the following activities will harm our earth the most? Why? How to solve it?ABCDThe warSmoke from factoryCutting down treeslitteringAnuclear bomb核弹
gas bomb毒气弹
radiation辐射
Chemical weapons化学武器
ban the war
peaceBharmful gas
acid rain硫酸雨
reduce air pollution
solar energy太阳能
wind power
hydropower水力发电CCO⒉ floods
draughts
only- once chopsticks 一次性筷子
paper handkerchief 纸巾Dpollute
earth surface
terrible smell
reduce
reuse
recycleA . The War
nuclear bomb核弹 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 trees
Carbon dioxide floods draughtsonly- once chopsticks 一次性筷子paper handkerchief 纸巾D. littering
Pollute earth surface terrible smell reduce reuse recycle
I think B will…and…
because….I think A will affect our earth the most…Present your idea and others can object to it.Help me, help you, help everyone.
Return GREEN to the earth!Help me, help you, help everyone.
Return GREEN to the earth!windmillshydropowersolar energyHomework:
Write down your result of the discussion and hand in tomorrow.
Search more information about global warming on the internet.