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1、Unit 2 Energy,Learning objectives,learn about renewable energy sources; words, expressions, and sentence patterns related to the theme of this unit; research renewable energy sources on the Internet; give an oral presentation about renewable energy sources; learn to use definitions and classificatio
2、ns in your writing.,Part I Approaching the Topic,Part II Understanding the Text,Part IV Integrated Exercises,Part I Approaching the Topic,Task 1 Brainstorming,Task 2 Surfing and Reporting,Task 3 Watching and Retelling,Task 4 Vocabulary Preview,1. Discuss the pictures above with your partner and make
3、 a list of no less than 10 words to discuss renewable energy sources. 2. Make a list of different types of renewable energy sources.,Task 1 Brainstorming,Unit 2 Part I Task 1,Unit 2 Part I Task 1,Which renewable energy sources have been used since ancient times? Introduce one of these energy sources
4、, giving an example of its early application.,1. Work in groups and find information on the Internet about the following terms.,Task 2 Surfing and Reporting,Unit 2 Part I Task 2,Unit 2 Part I Task 2,Web resources http:/en.wikipedia.org/wiki/Renewable_energy http:/ house-music-energy-crisis1.htm http
5、:/en.wikipedia.org/wiki/Greenhouse_gas http:/ http:/en.wikipedia.org/wiki/Clean_Air_Act http:/en.wikipedia.org/wiki/LED,Answers for reference:,Unit 2 Part I Task 2,Fill in the spaces below according to your Internet research. Present this information to the class, optionally using PowerPoint.,Unit 2
6、 Part I Task 2,solar cells,Japan Pavilion at the Expo 2010 in Shanghai,It features the worlds first pillow membrane with builtin amorphous solar cells.,The solar power system has a generation output of 2030 kw a day.,Solar Energy,Renewable Energy,Practical Application,Place,Detail,Advantages,Unit 2
7、Part I Task 2,wind farms,Buffalo Ridge in northwest Iowa, America,This wind farm utilizes 2 Gamesa G-87wind turbines providing 4.0 Megawatts of electric capacity. One turbine is in operation and the other is in final stages of commissioning.,It is expected to produce an average of approximately 10,0
8、00,000 kilowatt-hours annually, or Enough power to supply about 1000 homes.,Wind Energy,Renewable Energy,Practical Application,Place,Detail,Advantages,Unit 2 Part I Task 2,geothermal energy plant,a small town outside of Munich, Germany,It uses a combination of water and ammonia to maximize the amoun
9、t of power generated by the massive turbines.,The plant is capable of generating 3.4 megawatts of electricityor enough to power 10,000 homes.,Unit 2 Part I Task 2,hydroelectric dam,The Paran River on the border between Brazil and Paraguay,Itaipu Hydroelectric Dam is the largest operational hydroelec
10、tric energy producer in the world, with an installed generation capacity of 14GW.,Energy generated by Itaipu helps meet demands from the two countries. About 90% of the energy generated by the plant is used by Brazil.,Unit 2 Part I Task 2,biomass- fuelled boilers,Unilevers Hefei factory in China s A
11、nhui Province,The factory is using agricultural waste, such as straw, corn stalks and even peanut shells as a fuel in the manufacture of laundry powder.,The biomass-fuelled boilers are cutting carbon emissions by 15, 000 tonnes annually 32% of total site emissions while reducing fuel costs by 50%.,T
12、ask 3 Watching and Retelling,Watch the video clip “The BBC World Debate about Renewable Energy”. Use the glossary below as a reference.,Unit 2 Part I Task 3,Unit 1 Part I Task 3,The debate is about how best to reduce carbon emissions.,What is the topic of the debate?,Answer the questions in the foll
13、owing table according to what you heard in the video clip.,Unit 1 Part I Task 3,The question is: Is it (renewable energy) our best weapon against the global climate change?,What question does the hostess raise at the beginning of the debate?,Unit 1 Part I Task 3,Now the renewable energy delivers abo
14、ut 18% of the worlds electricity.,What percentage of the worlds electricity is generated by renewable energy now?,Unit 1 Part I Task 3,It is used to fight against economic slowdown and new jobs will be created and provided through the development of new renewable energy.,What is the new meaning of r
15、enewable energy, according to Gu Jun?,3. Watch the video again and then discuss the main idea with the group., ,【Script】,Unit 2 Part I Task 3,Script,Unit 2 Part I Task 3,Task 4 Vocabulary Preview,Read the words and phrases below, paying attention to the pronunciation. Put a check mark () next to the
16、 words that you know. Try to understand unfamiliar words from context.,Glossary for Main Reading,Unit 1 Part I Task 4,Nouns,Verbs,Adjectives,Phrases,Adverbs,Unit 1 Part I Task 4,Nouns,Glossary for Related Reading,Verbs,Adjectives,Adverbs,Phrases,Part II Understanding the Text,Main Reading,Related Reading,Main Readi
