新人教版选修六Unit4Globalwarming[全套课件].ppt

;Work in groups ---list things as required : 1. Things that use energy around us or at any other places,( ie. light);Things that use energy around us or at any other places:;;Windmills, renewable.;What? What kind? Renewable?;What? What kind? Renewable?;What? What kind? Renewable?;What? What kind? Renewable?;Geothermal (地热的) Energy Plant; ;What are fossil fuels?;What about the weather?;The sun.; How about the plants?;If lack of solar energy, the plants…;Greenhouse gases!;Let’s see the following picture about it.;;Global Warming;Read the passage again to find out the answers to the questions in Ex.1;1.Who wrote the magazine article? What is the name of the magazine? 2.What are the names of the three scientists mentioned in the article? ; → There are some very different attitudes among scientists towards this issue. Some think the effects will be terrible, while some others believe that we should not worry about it. ;→ The first graph shows the temperature increase of one degree Fahrenheit between 1860 to 2000. The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1977. → Global warming / the warming of the earth; Read the passage carefully and judge whether the statements are true or false? ; How many parts can the text be divided into? Tips: Part 1 (para __) Part 2 (para ___ to ___) Part 3 (para ___ to ___) Part 4 (para ___ to ___);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 th