(课件网) What How Why What to learn Different sources of energy Greenhouse gas The bad causes and effects of global warming Save energy & protect the environment Live a low-carbon life Express agreement & disagreement Use “it” for emphasis. Write an essay on environmental problems. How to learn 1st Period Warming up 2nd Period Listening and Speaking 3rd Period Reading 4th Period Extensive Reading 5th Period Language Study 6th Period Drills 7th Period Writing Words & Expressions climate change manmade disaster take actions to collapse of civilizations extinction on the horizon the amount of CO2 pile in chop down efficient consumers destroy the ground the atmosphere we breathe the disappearance of ozone layer torture fragile a problem of life and death species a human solution Warming - up Words & Expressions climate change manmade disaster take actions to collapse of civilizations extinction on the horizon the amount of CO2 pile in chop down efficient consumers destroy the ground the atmosphere we breathe the disappearance of ozone layer torture fragile a problem of life and death species a human solution Li Bin is interviewing Professor Keeling about using different sources of energy. Before listening fossil fuels modern industrial society concentrated form of energy last for centuries carbon dioxide nuclear power radiation disaster 3. We can replace fossil fuels with cleaner sources of energy. 4. Nuclear power is a good source of energy. Disagree Disagree Which statements Professor Keeling does NOT agree with. We should stop depending on fossil fuels for our energy. 2. 90% of our energy comes from fossil fuels. Listening I disagree disagree agree agree Chernobyl 切尔诺贝利核电站 tick the energy sources that are mentioned fossil fuels wind power energy from the sun nuclear power hydro power tidal and wave energy Listening I tide Fill in the blanks 1. I’ve read that we must stop using _____ if we want to _____ the amount of carbon dioxide in the air. 2. Our modern _____ societies depend on the energy we get from fossil fuels. It’s very _____ and _____ form of energy. Listening I fossil fuels reduce industrial cheap concentrated advantages disadvantages wind energy _____ source We just can’t _____ enough. It needs huge areas of _____ to produce enough wind energy. sun energy _____source The _____ we have at present cannot _____enough sun energy nuclear power That doesn’t produce _____ It’s very _____. People are still dying of the _____ that was produced by THAT disaster! Listening I Forms of Energy cleaner produce land cleaner technology provide carbon dioxide. dangerous radiation First we must try to find ways to use _____ that won’t put _____into the air. Second we must _____ products that are _____ _____ Third we must ask people to _____on the energy they use. Listening II What can we do to save energy First we must try to find ways to use fossil fuels that won’t put carbon dioxid ... ...