人教新课标选修六 Unit 4 Global warming-Warming up Reading[课件]_813106.ppt

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 article? Global warming / The warming of the earth. 1.The temperature last century didn’t 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.Carbon dioxide is a byproduct of burning fossil fuels. 6.People accept Charles Keeling’s data because he took accurate measurements. Read the article carefully. Tell true or false. T T F T T F Detailed-Reading Read the article in details and finish the following task. listening 1. Who found out the amount of carbon 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___ .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 good 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 -I 1.Does Sophie Armstrong support a clear opinion? 2.Does George Hambley believe that we should worry much about the global warming? No. he doesn’t state it clearly. No, he doesn’t. 3. How has the global warming come about? ①Human activity--- burning o