Unit 3 Reading and Thinking （ppt课件）-2023新人教版（2019）《高中英语》选择性必修第三册.pptx

1、Unit 3 Environmental protection What can you see in the photo?Whats happening?Where do you think it was taken?What do you know about glaciers melting on earth?What does this photo make you think of?How do you feel when you look at the picture?Earth provides enough to satisfy every mans needs,but not

2、 every mans greed.Mohandas K.GandhiWhat is the difference between“needs”and“greed”?How do you understand the quote?How is it related to the theme of the unit?Unit 3 Environmental protectionLesson 2 Reading and Thinking Reading and ThinkingLook and discuss What environmental issues do you know?Greenh

3、ouse effect温室效应温室效应Forest fire/Wildfire森林火灾森林火灾Air pollution空气污染空气污染Drought 干旱干旱Climate change气候变化气候变化Global warming全球变暖全球变暖 What causes the climate change?What are the solutions to stop climate change?View the video.Look at the graph.What is it about?What information can you get from it?What can yo

4、u see in the photo?What might be the story behind it?The temperature of the global surface rose about 1.2 from 1920 to 2016.The earth is becoming warmer and warmer.What effects may be caused by the global warming?Before-writingskin and bones瘦得皮包骨The polar bear(北极熊北极熊)may died for lacking food.1.What

5、s the type of this text?A.Essay 论文论文 B.Biography 传记传记C.Exposition.说明文说明文 D.Argumentation.议论文议论文2.Whats its purpose?A.To inform readers to deal with climate change B.To persuade readers to focus on limited resources3.In which part of a newspaper or magazine may we find this passage?A.Entertainment B.

6、EconomyC.Education D.EnvironmentSkimmingPara1.The influences of the rise in temperature.Para2.The solutions to reducing greenhouse gas emissions.Para3.An exact example of climate change.Para4.A problem of climate change.Para5.The causes of the increase in the global temperature.Reading for main idea

7、.problemexamplecausesinfluencessolutionsRead the text and find out the development of the passage.problemexamplecausesinfluencessolutionsReading for the details.Reading for the details (Para1):A problemWhat?a warming ocean&atmospheremelting icerising sea levelClimates is getting warmer and warmerCli

8、mate changelow sea-ice levelsbears could not hunthad to travel greater distances to find foodstarved to deathits dead body founduA polar bears dead body was founduStarved to deathuLow sea-ice levelsuClimate changeuThe bear could not hunt sealsuHad to travel greater distance to find foodPara2.Put the

9、 following sentences into the right order.Reading for the details What is causing the increase in the global average surface temperature?(Para3):The causesGreenhouse effectkeeping Earths climate warm and habitablecausing Earths surface temperature to rise quickly Reading for the details (para4):The

10、influences结结果果What are the 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 disaster

11、sextreme rainstorms,heat wavesGovernmentsIndividuals1.make policies 2.take appropriate actions and measures to reduce greenhouse gas emissions restrict the amount of carbon dioxide our lifestyles produce to reduce our“carbon footprint”(Para5):The solutionsWhat will you do to help?Discussion Discussion What will you do to help?A small action can make a big difference!Summary