U4P4Li-steningexercise..pptVIP

(L=Li Bin K=Keeling) Li Bin, a university student, is interviewing Professor Keeling on the local student radio station about the use of fossil fuels and other sources of energy. Part 1 L: Professor Keeling, Ive read that we must stop using _____ _____ if we want to reduce the amount of carbon dioxide in the _____. K: Yes, thats right, Li Bin. However it’s difficult. Our ________ industrial societies depend on the energy we get from fossil fuels. Its a very _______ and concentrated form of energy. L: Is it true that about ______ of the worlds energy comes from fossil fuels? K: Yes, thats correct. And there’s enough to last for _________. L: Could we replace fossil fuels with _______ sources of energy like sun or wind _______? K: Im afraid not. We just can’t produce enough. You need _____ areas of land to produce enough wind _______. The technology we have at present cannot ________ enough sun energy. L: So what about _______ power? That doesn’t produce carbon dioxide. K: True, but it’s very ___________. Remember the accident at Chernobyl. People are still ______ of the radiation that was produced by THAT _______! Part 2 L: So what CAN we do? K: Well, there are _____ things. First we must find ways of using fossil fuels that wont put carbon dioxide ____ the air. Second, we must produce products that are ___________ with energy. Third, we must ask people to cut _______ on the energy they use. L: But that’s on a ________ level. What about factories? They don’t cut down their ______ of energy. K: No, they don’t. _________, that is a problem we must work on as a _______ community. That means developed and __________ countries will have to work together. L: But its not the developing countries that put ______ of the carbon dioxide into the air. The de