人教新課標(biāo)選修六Unit4reading

1、人教新課標(biāo)選修六Unit4reading Is the whole world becoming warmer and warmer? Why?populationair pollutioncarbon dioxideAcid rainSpecies extinctionWater pollution We depend on energy to do many things in our daily lives. Make a list of the things that consume energy in your home, school or any other places.War

2、ming upthings that use energy in our life heatingcomputer fridge television hairdryer camerathings that use energy in our life washing machine electromagnetic oven electric fanWhere does the energy come from?Energy sources:Renewable sources: Non-renewable :Make a list of energy sources. renewable an

3、d non-renewable sources.energy sources that never run out.energy sources that will run out one day.Wind energy is used as power to produce electricity . Windmillswhere electricity is produced by burning coals.The coal power stationsin which oil is refined and made pure. The oil refineriesa facility

4、designed to convert nuclear energy into electricity.A nuclear power plant on the roof of a house on a bright sunny day are used to collect solar energy, making your house warm or heating your water.Solar panelsare used to keep back water and raise its level for irrigation or for producing electricit

5、y, etc.The Hydro-electric damsWhich energy sources on your list are renewable and which are non-renewable?Pair workSources of energy Renewable/non- renewablecoaloilnatural gaswind (wind power)sun (solar energy)uranium (nuclear energy)water (hydro-electric power)plant waste (biomass energy)hot spring

6、 or geysersthe sea (tidal energy)non-renewablenon-renewablenon-renewablerenewablerenewablenon-renewablerenewablerenewablerenewablerenewablePre-readingWhat is the greenhouse made and used for?greenhouseThey are made of glass and plants can grow in it when it is cold outside.How does it work?The glass

7、 traps the heat from the sun, making the air warm so that plants can grow better.Greenhouse gases!Whats greenhouse gases effect? Greenhouse gases perform the same function as the glass in a greenhouse - They trap the heat of the sun and keep the air surrounding the earth warm. It is called the green

8、house effect.The Earth Is Becoming Warmer But Does It Matter?Fast ReadingGlance at the article and answer these questions.Sophie Armstrong wrote the magazine article. The name of the magazine is “Earth care.2.What are the names of the three scientists mentioned in the article?They are Dr. Janice Fos

9、ter, Charles Keeling and George Hambley.1.Who wrote the magazine article? What is the name of the magazine?3.What do they think about global warming? Do they agree with one another?There are some very different attitudes among scientists towards this issue.Some think the effects will be terrible, wh

10、ile some others believe that we should not worry about it. 4.What are the two graphs about?Graph 1 shows the temperature increase of one degree Fahrenheit between 1860 to 2000.Graph 2 shows the carbon dioxide content in the atmosphere from 1957 to 1997.Graph 1:Graph 2:5.What is the main topic of the

11、 article?Global warming / The warming of the earth.1.The temperature last century didnt increase much.2.Everyone believes that global warming is caused by the activities of humans.3.Janice Foster believes that global warming is caused by burning fossil fuels. 4.Natural gas is a greenhouse gas.5.Carb

12、on dioxide is a byproduct of burning fossil fuels.6.People accept Charles Keelings data because he took accurate measurements. Read the article carefully. Tell true or false.TTFTTFDetailed-Reading Read the article in details and finish the following task.listening1. Who found out the amount of carbo

13、n dioxide in the atmosphere from 1957 to 1977?A. Dr. Janice Foster. B. Charles Keeling.C. George Hambley. D. Sophie Armstrong.Listen to the reading passage and do some choices.2. But there are some very different attitudes among scientists towards this issue.“issue here means the same as the one in_

14、 .A. I bought the new stamp the day of its issue. B. They are talking about one of the key issues in the election campaign.C. The government is expected to issue a statement about the election.D. The magazine has 12 issues each year.3. The author probably agrees that _A. actually global warming is g

15、ood for man.B. we should do nothing about the global warming.C. catastrophes will happen if the globe keeps on warming.D. a lot remains to be found out about the effects of global warming.Questionnaires -I1.Does Sophie Armstrong support a clear opinion?2.Does George Hambley believe that we should wo

16、rry much about the global warming?No. he doesnt state it clearly.No, he doesnt.3. How has the global warming come about?Human activity- burning of fossil fuels. Greenhouse effect- greenhouse gases- we need those gases. Huge quantities of extra carbon dioxide-from 1957 to 1997-from around 315 parts p

17、er million to around 370 parts per million.4.What are the effects of global warming? Encourage a greater range of animals.The sea level to rise. Severe storms, droughts, famines, the spread of diseases, and destruction of species. Make plants grow faster. Crops will produce more. main ideaPart1 (par

18、a1)Introduce a debate over the issue of global warmingPart 2 (para2)Part 3 (para3-8)Part 4 (para9)Illustrate how global warming comes aboutList two different attitudes among scientists towards global warmingIts up to readers to think and decide whether people should do sth about global warming or no

19、t 4 parts1. What is the purpose of the paragraph that is in bold?To introduce the topic.To illustrate(闡述) points by providing evidence.2. What are the diagrams for?Questionnaires -II3. Why are there two quotes?Because they are important or interesting points. Their aim is to attract your attention and to make you read them, and therefore to make you interested enough to read the whole article.It functions as a conclusion by asking the reader to reflect on the major theme of the text and to predict what might happen in the future. 4. What is the purpose of the last par