选3 Unit 3 Reading and thinking

Unit 3 Environmental protection 1. Know about the climate change; 2. Learn about the “greenhouse effect”; 3. Analyze the consequences of climate change; 4. Voice their personal opinions about how to deal with climate change. Learning Objectives By the end of this class, you will be able to 2 Choose the extreme weather and disasters mentioned in the video. A. sea level rise B. fire C. tsunami D. flood E. Volcanic eruption F. drought G. heatwave H. storm sea level rise flood heat wave storm What is it about? What information can you get from 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? Now, let's read the passage to find out whether you are right. 4 What can you see in the photo? What might be the story behind it? skin and bones 瘦得皮包骨 The polar bear (北极熊) may die for starvation. Now, let's read the passage to find out whether you are right. 5 1.What type of text is this passage? exposition 2. In which part of a newspaper or magazine may we find this passage? Entertainment Economy Education Environment Skimming Para. 1: What evidence of climate change can you find in this paragraph? A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. Skimming Para. 2: Can you use your words to describe how climate change have influenced the polar bear's life? climate change low sea-ice levels bears could not hunt had to travel greater distances to find food starved to death its dead body found Skimming Para. 3: Find the key process about “greenhouse effect”. Greenhouse effect natural greenhouse effect keeping Earth's climate warm and habitable man-made greenhouse effect causing Earth’s surface temperature to rise quickly if too much heat energy is trapped Para 1-2 Para 3 Para 4 Para 5 D. The