Unit 3 Environmental Protection Reading and Thinking 课件-2022-2023学年高中英语人教版选择性必修第三册

Unit 3 Environmental Protection 1 Q1.What’s happening in the photo? Q2.What will happen if glacier are melting than ever before? Q3.What does this photo make you think of? What consequences may global warming bring about? Global Warming extreme weather natural disaster animal dying the rise of the sea level wildfire threaten ecosystem coastal cities submerged economic losses 英国遭遇极端天气侵袭，巨大单体雷暴云低空压境，宛如世界末日  风暴追逐者赴美拍震撼极端天气 黑云压城似末日来临 Extreme weather The rise of the sea level coastal cities submerged Wildfire Prediction Q. What is the graph about? What information can you get from it? global temperature change The graph shows the changes of global surface temperature over the period from 1920 to 2016. Increase steadily Increase sharply 6 Q. What do you think might have caused the death of the polar bear? The polar bear might have died of starvation. 7 Read for the text type Q1. What's the type of this text? A. News report. B. Biography. C. Exposition. D. Argumentation. CLIMATE CHANGE REQUIRES THE WORLD’S ATTENTION Exposition: an explanation/introduction of objective things or reasoning, etc. Reading Read for structure Find out the topic sentence of each paragraph. Paras.1&2 Para.3 Para.4 Para.5 Exposition 9 problem causes consequences solutions Part 1 problem Q1.What evidence of climate change can you find in the first paragraph? a warming ocean and atmosphere melting ice rising sea levels Read for details 10 11 climate change starvation longer food-seeking travel lack of food low sea-ice level Q2. The following reasons account for the death of the polar bear, with one influencing another. Read paragraph 2 and put them in a correct logical order. What is the root cause? Cause and effect Part 2 cause Q. How the greenhouse effect works in natural and man-made situations? greenhouse effect natural greenhouse effect keeping Earth’s climate warm and habitable man-made greenhouse effect causing Earth's surface temperature to rise quickly Part 3 conseq