Unit 3 Environmental Protection Reading and Thinking 课件-2023-2024学年高中英语人教版（2019）选择性必修第三册

What’s the video about? Climate change What is the graph about? What information can you get from it? The temperature is on the rise. Global warming Consequences of global warming heat wave drought 2 Consequences of global warming The melting ice caused a rise in sea level. Thousands of baby penguins starved to death. to suffer or die because you do not have enough food to eat Consequences of global warming 4 Polar bears also lost their habitat due to the melting ice. Consequences of global warming 5 Consequences of global warming Cute and chubby skin and bone II We stood there crying. While we were filming, tears streamed down our face. 我们站在那里,一边拍,一边流泪 - Scientists say polar bears will be extinct in the next 100 years. I can imagine 25,000 polar bears dying this way around the world” “科学家说,接下来一包年北极熊会灭绝,我能想象全球有2.5万只北极熊以 这种方式死去。” -Paul Nicklen 7 √ Climate Change Requires the World’s Attention A journey to look for the truth about the polar bear’s death. 8 Divide the passage into 4 parts and extract(提取) the key word of each part. Part 1 (Para. _) Part 2 (Para. _) Part 3 (Para. _) Part 4 (Para. _) 1-2 3 4 5 Problem Causes Consequences Solutions Focus on the structure 9 What evidence of climate change can you find in the 1st paragraph? Evidence: ①_②_ ③_ a warming ocean and atmosphere melting ice rising sea level We have known about climate change for decades. There is little doubt that Earth is getting warmer and warmer (see the graph). A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. Para 1-2 Problem 10 climate change starvation longer food-seeking travel lack of food low sea-ice level 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? Para 1-2 Problem Para 3 Causes effect 效应 function 功能 radiation 辐射 release 释放 habitable 适居住的 trap 吸收 greenhouse effect natural