Unit 3 Reading and Thinking ppt课件-（2022新）人教版高中英语选择性必修第三册(1).pptx

1、010203To have a better understanding of climate change and the structure of whole passage.Be aware of the importance of cutting down greenhouse gas and take effective action to tackle it. Think deeply about the problem of global warmingPlease to think the following questions: 1.What are they?2. What

2、 do you think of them?3. Do you like them?polar bearcute and fattyBrainstorming：4. What happend to the annimal? 5. Why did the annimal die? and how do you know?6. What makes it die?it diedstarve to death; skin and bonesclimate change7. What can we get from the left graph on your book?8. what results

3、 would be leading to?9. What can we do facing the above situation?the global surface temperature is rising annually.lots of plants and animals are in danger.take actions to protect our environment. Read for main idea text type Task 1 1. match the main idea with each part:Part 1 (para.1-2 )Part 2 (pa

4、ra. 3)Part 3 (para. 4)Part 4 (para. 5)The evidence of dramatic climate changethat had an impact on Earth ecologyThe causes of the increase in the global average surface temperatureThe consequences of the rise in temperatureThe solutions to reducing greenhouse gas emissions Scan Para. 1-2 to finish t

5、he following chartTask 2 Evidence (para 1-2) 1. a warming ocean and atmosphere 2. melting ice 3. rising sea levels4.a dead polar bearEvidence Greenhouse effect5. . greenhouse effect7. . greenhouse effect6. 8. Scan Para.3 to finish the following chartTask 2 Causes (para 3) natural man-madeKeep earth

6、surface warm and habitableThe earth surface temperature will rise quickly if more heat energy is trapped in the atmosphereTask 3: To draw a mind-map of greenhouse effect:The greenhouse effect Find out how the greenhouse effect works. sunlight Heat released back into space Careful reading for questio

7、ns Task 4 Results (para. 4) Scan Para.4 to finish the following chartResults9. 10. not only11. .but also12. .extreme 13. and 14. causing deaths and economic lossesextreme weathernatural disasterscausing serious damagecosting human livesrainstormheatwavesSolutionsgovernmentindividuals15. 16. 17.18. S

8、can Para.5 to finish the following chartTask 5 Solutions (para.5) make policiestake appropriate actions and measures to reduce greenhouse gas emissionsrestrict the amount of carbon dioxide our lifestyle produceeducate everyone about global warming, along with its causes and impactsTask6: To draw a m

9、ind-map of the passage:Climate change Evidence SolutionsCauses Effects governmentindividualsextreme weathernatural disastersGreenhouse effectnatural greenhouse effectman-made greenhouse effectA better understanding of climate change? post-reading: Task 1 2.What is the structure of the text ?A.P 1 P

10、2 P 3 P 4 B.P 1 P 2 P 3 P 4 C.P 1 P 2 P 3 P 4 D.P 1 P 2 P 3 P 4 3. What type of writing is this passage? A. Argumentative writing B. Narrative writing 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. Environment Task 1 As a student,what can we do to reduce greenhouse gas emissions?2. What can we do to live a “green” life? Try to consider this question from multiple dimensions.Then write down some ideas homework1. Finish 课时作业 9