国际交流英语视听说B2.docx

1、国际交流英语视听说 Book 2 Unit 1Energyand Our Planet国际交流英语视听说ContentThink and DiscussExploring the Theme Analytical Listening Sharing Yo ur IdeasViewing the WorldEngagingFurther Listening国际交流英语视听说Unit 1Energy and Our PlanetThink andDiscussThink and DiscussQuestions1. What do you think the colors inthis photo

2、 mean?2. Look at the information on this page. What do you think you will learn about in this unit?Thermal image of a house in New Haven, Connecticut, USAThink and DiscussQuestions1. What do you think the colors in this photo mean?Example AnswersI think the colors in this photo represent temperature

3、. Red and yellow are probably warmer areas, and green and blue are cooler areas. Its possible that the temperatures tell us where heat from inside the house is escaping. Since heat rises, it makes sense that most of the heat is escaping from the upper part of the house.Think and DiscussQuestions2. L

4、ook at the information beside the photo. What do you thinkyou will learn about in this unit?Example AnswersI think we will learn about energy such as electricity, coal, and oil, and also how our use of energy is affecting the earth.国际交流英语视听说Unit 1Energy and Our PlanetExploringtheThemeExploring the T

5、hemeEnergy and Our PlanetPrudhoe Bay: a region on the northern coast of Alaska, U.S.A.,north of the Arctic Circle. One of the largest oil reserves in NorthAmerica were found there in 1968. 普拉德霍湾Exploring the ThemeEnergy and Our PlanetMiddelgrunden: the worlds largest offshore wind farm. It wasbuilt

6、in 2000 near the city of Copenhagen. It supplies around four percent of the citys energy needs. 米德尔格伦登风电场Exploring the ThemeEnergy and Our PlanetA| Look at the photos and read the captions. Then discuss the following questions.1. What kinds of energy or fuel do you see on these pages?2. How is our e

7、nergy use affecting the environment?3. What are some examples of renewable energy?Exploring the ThemeEnergy and Our PlanetLondon, Britain at nightExploring the ThemeEnergy and Our PlanetA grizzly bear and her cubs walkalong an oil pipeline in PrudhoeBay, Alaska. Our use of fossilfuels is impacting t

8、he environment in a variety of ways.Exploring the ThemeEnergy and Our PlanetWind turbines at MiddelgrundenWind Park in Copenhagen, Denmark provide a renewable form of energy. Many countries are using renewable forms of energy such as wind, hydroelectric, and solar power.Exploring the ThemeEnergy and

9、 Our Planet1. What kinds of energy or fuel do you see on these pages?Example AnswersI see electric lights in London, as well as cars and boats that use gasoline and oil. I also see an oil pipeline with bears walking on it, and turbines that use wind energy to produce electricity. In the pie charts,

10、a number of other kinds of energy are mentioned, including natural gas, solar and geothermal energy, nuclear and hydroelectric energy, and biomass.Exploring the ThemeEnergy and Our Planet2. How is our energy use affecting the environment?Example AnswersWhen we burn fuel for energy, it sends pollutio

11、n into the atmosphere, and over time, it is changing Earths climate. On the other hand, using cleaner, renewable forms of energy reduces those negative effects on the environment.Exploring the ThemeEnergy and Our Planet3. What are some examples of renewable energy?Example AnswersRenewable energy inc

12、lude wind energy, solar energy, hydroelectricity, geothermal energy, and bioenergy, etc.Exploring the ThemeEnergy and Our PlanetB | Look at the pie charts on page 3. Then discuss the questions.1. How much of the worlds production of energy comes from oil?2. How much of the worldsproduction of renewa

13、ble energy comes from wind power?Exploring the ThemeEnergy and Our PlanetThese pie charts show the worlds production of renewable and non-renewable sources of energy. Each section represents a different source of energy. The numbers show what percent each source of energy makes up of all energy production.Exploring the ThemeEnergy and Our Planet1. How much of the worlds production of energy comes from oil?Example AnswersThe world gets 38 percent of its energy production