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111 沧州市颐和中学导学案 2011年12月学科高中英语年级高二作者课题 Unit 4 Global warming Warming up & Listening课型新授Learning goalsEnable the students to know something about energy resources and something that use energy, and listen for details and catch the specific information as much as possible.Learning ability goals Enable the students to predict some important information in the process of listening and encourage the students to talk about the situations according to the listening materials. Learning important and difficult pointsHow to make sure the answers of listening material. Learning aidsA recorder and cassette tapes, a projector, and a computer Learning procedures Step 1 Warming up Do you know any kind of energy resource?Do you know anything that use energy?things that use energy in a house(Slide show: some pictures of things that use energy in a house.)T: Now lets look at some more pictures and decide whether they are renewable or not.(Slide show: pictures of some forms of energy)wind energy renewablesolar energy renewablehydroelectric power renewablegeothermal energy renewable tidal energy renewable biomass energy renewablenuclear power plant, non-renewable (picture)an oil refinery(精炼厂), non-renewable (picture)coal power station, non-renewable (picture)natural gas non-renewable (picture)uranium Ore (铀矿石) non-renewable (picture)The element uranium does not occur in pure form in nature but is found in minerals such as carnotite（钒钾铀矿）, pictured above. (picture)Conclusionnon-renewablecoal oil natural gas Uranium fossil fuelsrenewablewind (wind power) sun (solar energy) water (hydro-electric power)plant waste (biomass energy) hot springs or geysers (geothermal energy)the sea (tidal energy)Slide showWhat are fossil fuels?Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. Also known as non-renewable energy because once they are used they have gone forever; they cannot be renewed.Step 2 Pre-listeningRead Exercise 1 together:1. Read the statements below and tick the ones you agree with.2. Listen to the tape and answer and decide which statement Professor Chen doesNOT agree with.1. Well have to stop using fossil fuels.2. About 90% of the worlds energy comes from fossil fuels.3. We can replace fossil fuels with renewable sources of energy.4. Nuclear power is a good source of energy.5. In the future, well need new technologies to replace fossil fuels.6. Its the developed countries who are to blame for producing most of the carbon dioxide.3. Listen again and tick the phrases that Professor Chen uses to agree or disagree with Li Bin.Slide showExactly. Im afraid I disagree with you.Thats true. Im afraid not.Thats right. I dont think so.Thats correct. No way.I agree. I dont agree.4. Listen for the third time and fill in the blanks.1 Our modern _ societies depend on the energy we get from_.2 Its a very _ and cheap form of energy.3 Cant we just _ fossil fuels with _ sources of energy like sun or wind power?4 However, whatever we do, we have to do it as a _.5 The _ countries are really the ones to _.Keys:1industrial; fossil fuels 2. concentrated 3。replace；renewable 4。global community5developed；blameStep 3 Homework1. Review the new words and expressions you learned in this class.2. Preview Reading. 111
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