1、READING TASKSTHE EARTH IS BECOMING WARMER BUT DOES IT MATTER?Pre-reading activitiesTask I. Do you think the climate is becoming warmer and warmer every year? State your feelings to your partners.Task II. Do you think the earth is becoming warmer because of human activities?Task III. How do you under
2、stand “greenhouse effects”?While-reading activitiesTask I. Read the text and fill in the chart below.Task II. Join the correct parts of the sentences together.1. Sophie Armstrong A. helps to keep the earth warm enough for people to live in.2. Carbon dioxide B. researched the reason and effect of the
3、 rapid change of the earths temperature.3. The greenhouse effect C. is the most important of “greenhouse” gases.4. Charles Keeling D. thought that global warming would be a good thing for human beings.5. Janice Foster E. predicted how warmer the earth would become in the next 100 years.6. George Ham
4、bley F. recorded the amount of carbon dioxide in the air from 1957 to 1997.Task III. Decide which are opinions (O) and which are facts (F).( ) 1. Coal, natural gas and oil are fossil fuels.( ) 2. The “greenhouse effect” is a natural phenomenon.( ) 3. The “greenhouse effect” makes our life worse.( )
5、4. The amount of carbon dioxide increased from about 315 parts to about 370 parts per million from 1957 to 1997.( ) 5. Global warming will have a serious effect on human beings.( ) 6. It is not necessary to worry too much about the high level of carbon dioxide.( ) 7. More carbon dioxide will help pr
6、oduce more crops.( ) 8. The earths climate will continue to become warmer.Post-reading activitiesTask I. Below is a summary of the text with some words missing. Choose the words from the box and make the summary complete. Then try to retell the story to your partners.cold, diseases, carbon dioxide,
7、warmer, greenhouse, 5The burning of things like natural gas and oil produces gases like 1. _. These gases trap heat from the sun causing a “2. _ effect”. Small amounts of these gases are good as without them the earth would be too 3. _. However human activities are producing too much of these gases
8、and they are causing the earth to become 4. _. Some scientists say that over the next hundred years “greenhouse gases” could warm the earth by as much as 5. _ degrees Celsius. Some say this would cause floods, droughts and the spread of 6. _. Others say it would be good for plants and animals. One t
9、hing is certain, though, even if the amount of “greenhouse” gases being produced is reduced, the earth will continue to get warmer. (By Ray Cama)Task II. Describe the process of the rising of the earths temperature because of the “greenhouse effect”.Task III. Debate. Divide your group into two sides
10、, one agreeing that a 5 degrees increase of the earths temperature will lead to a great catastrophe, the other group opposing to it. Each side should state your reasons and try to defeat the other side.Task IV. What can you do to slow down the speed of global warming?参考答案：Pre-reading activitiesTask
11、I. 略Task II. 略Task III. 略While-reading activitiesTask I. 1. fossil fuels 2. go up 3. 370 4. mild 5. extreme climate 6. better Task II. 1-B 2-C 3-A 4-F 5-E 6-DTask III. 1. F 2. F 3. O 4. F 5. O 6. O 7. O 8. OPost-reading activitiesTask I. 1. carbon dioxide 2. greenhouse 3. cold 4. warmer 5. 5 6. diseasesTask II. 略Task III. 略Task IV. 略
