Unit 3 Reading and Thinking （ppt课件） -新人教版（2019）《高中英语》选择性必修第三册.pptx

1、Earth provides enough to satisfy every mans needs,but not every mans greed.1.What can you see in the picture?2.What is the cause of this phenomenon?Global warming全球变暖melting glacierThink and talkWhat other may global warming bring about?heat wavedroughtThink and talkmelting icefloodWhat other may gl

2、obal warming bring about?Think and talkWhat other may global warming bring about?Think and talkWhat other may global warming bring about?Think and talkWhat other may global warming bring about?Think and talkGlobal warminganimals dyingthe rise of sea levelwildfirecoastal cities submerged economic los

3、sesextreme weathernatural disastersWhat other may global warming bring about?Earth provides enough to satisfy every mans needs,but not every mans greed.Mohandas K.Gandhi地球能满足人类的需要，但满足不了人类的贪婪。While-reading:read for the text type 1.What is the type of this passage?A.Argumentative writing B.Narrative w

4、riting C.Expository writing D.Advertising writing4.In which part of a newspaper or magazine may we find this passage?A.Entertainment B.Economy C.Education D.EnvironmentWhile-reading:read for the structure and main idea Part 1:(para.1-2)Part 2:(para.3)Part 3:(para.4)Part 4:(para.5)The evidence(证据证据)o

5、f dramatic climate change that had an impact on Earths ecologyThe causes(原因原因)of the increase in the global average surface temperatureThe consequences(结果结果)of the rise in temperatureThe solutions(解决方法解决方法)to reducing greenhouse gas emissionsWhile-reading:read for the structure and main idea Evidenc

6、eEvidenceCauseCauseConsequencesConsequencesSolutionsSolutionsWhile-reading:read for the details What evidence of climate change can you find in What evidence of climate change can you find in the first paragraph?the first paragraph?_Part 1(para1-2):The evidence证据证据a warming ocean and atmospherea war

7、ming ocean and atmospheremelting icemelting icerising sea levelrising sea levelWhile-reading:read for the details Paragraph 2 introduces an example of the Paragraph 2 introduces an example of the increase in temperature that had an impact increase in temperature that had an impact on Earths ecology.

8、Read it and fill in the on Earths ecology.Read it and fill in the table.table.Part 1(para1-2):The evidence证据证据While-reading:read for the details What is causing the increase in the global What is causing the increase in the global average surface temperature?average surface temperature?Part 2(para3)

9、:The cause原因原因Greenhouse effectWhile-reading:read for the details Part 2(para3):The cause原因原因While-reading:read for the details Part 2(para3):The causeGreenhouse effect“Natural”greenhouse effect“man-made”greenhouse effectWhile-reading:read for the details Part 3(para4):The consequence结果结果What are th

10、e consequences of global What are the consequences of global temperature rise?Finish the mind map below.temperature rise?Finish the mind map below.The rise in temperature led to example resultsserious damage,costing human lives,economic lossesextreme weather/natural disastersextreme rainstorms,heat

11、wavesWhile-reading:read for the details Part 4(para5):The solutions解决方法解决方法What are the solutions we can do?What are the solutions we can do?What is a question left at the What is a question left at the end?end?Discussion What will you do to help?Discussion What will you do to help?Discussion What w

12、ill you do to help?Turn off the lights,computers etc.the moment you dont need them Use the minimum paper,backing paper etc.Use renewable energies Save energy Stop using plastic bags Live a low-carbon life Take green transportation Take a shower instead of a bath 1.Why does the author mention the pho

13、to of the dead polar bear in the first paragraph?A.To introduce the topic of this text.B.To show us the cold weather in the arctic.C.To show the temperature increase in the arctic.D.To tell us the importance of warmth.2.The weather on earth is getting hotter and hotter mainly because of _.A.natural

14、greenhouse gasesB.man-made greenhouse gasesC.low sea-ice levelsD.short-wave radiation3.What cause(s)extreme weather on the earth?A.Sea level rise.B.Human activities.C.Temperature rise.D.Burning of fossil fuels.4.What does the author express in the last paragraph?A.Shows us some tips in protecting th

15、e environment.B.Requires us to seize the opportunities to protect the earth.C.Shows us our responsibilities in protecting the environment.D.Gives some suggestions to the government and individuals.5.Whats the authors purpose of writing this text?A.To call on our attention to environmental protection.B.To remind us of the increasing temperature on the earth.C.To show us some endangered animals in the polar areas.D.To tell us different kinds of greenhouse gases on earth.Thank YouThank You