新人教版选修六Unit4Globalwarming-Listening[课件].ppt

Listening ＆ Speaking ;Listening and Speaking;3. We can replace fossil fuels with cleaner sources of energy. 4. Nuclear power is a good source of energy.;2. Listen to Part 1 again and tick the energy sources that are mentioned. Complete the notes on them.;Wind power ;3. Listen to Part 2 and the list three things we can do to save energy.;4. Listen to part 2 again and fill in the blanks.;KEELING: No, they don’t. However, that is a _______ we must work on as a ______ community. That means ________ and _________　countries will have to work together.;LI BIN: But it’s not the _________ countries that put most of the carbon_______ into the air. The developed countries are really the ones to ______. ;Note: The USA is the largest energy user in the world and the largest producer of the greenhouse gas carbon dioxide. China comes second in both of these. ; China has been going through huge economic development, and has had as much growth in one decade as the industrial world experienced in nearly a century. However, it has been at a high cost to the environment.; FOSSIL FUELS AND OTHER FORMS OF ENERGY 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 fossil fuels if we want to reduce the amount of carbon dioxide in the air. K: Yes, thats right, Li Bin. However it’s difficult. ;Our modern industrial societies depend on the energy we get from fossil fuels. Its a very cheap and concentrated form of energy. ;L: Is it true that about 90% of the worlds energy comes from fossil fuels? K: Yes, thats correct. And there is enough to last for centuries.;L: Could we replace fossil fuels with clear sources of energy like sun or wind power? K: Im afraid not. We just can’t produce enough. You need huge areas of land to produce enough wind ener