(
课件网) Unit 3 Environmental Protection Reading and Thinking Before Reading 1. What is the graph about What information can you get from it 2. Have you ever seen the photo before What might be the story behind it Activity 1: Before you read, look at the graph and the picture below and discuss these questions in groups. Activity 1: Before you read, look at the graph and the picture below and discuss these questions in groups. 1. What is the graph about What information can you get from it 2. Have you ever seen the photo before What might be the story behind it No, I haven’t seen this photo before. The story may be that the polar bear suffered from the increasing global temperature. The graph is about the change of the global surface temperature. It shows that the global temperature is rising. Before Reading Activity 2: Read the text and answer the questions. 1. What happened to the polar bear in the photo Why did the writer write about it 2. Why is the “natural” greenhouse effect important and necessary 3. What are the consequences of high greenhouse gas emissions 4. Why did the author mention the climate scientists’ warning 5. What is the author’s purpose of writing this text While Reading 1. The polar bear in the photo died of starvation. The writer wrote about it because it showed one of the effects of rising temperatures due to climate change. 2. The “natural” greenhouse effect is important because it warms the Earth’s surface and keeps it habitable. 3. High greenhouse gas emissions lead to more heat energy being trapped in the atmosphere and rising temperatures. 4. Because the writer wanted to warn us of how urgent it was for us to take appropriate actions. 5. To arouse our awareness of the problem and encourage us to take appropriate measures to deal with global warming. Activity 2: Read the text and answer the questions. While Reading Fast reading. 1. What does the passage mainly tell us A. Some polar bears died of starvation. B. What the greenhouse effect is. C. How the polar bears find food. D. Global warming has caused some disasters and we must pay attention to it. While Reading 2. Read the text and find out the main idea of each paragraph. Para. 1 A. We need to do something to reduce greenhouse gas emissions. Para. 2 B. The rise in temperature has caused natural disasters. Para. 3 C. Earth is getting warmer and warmer. Para. 4 D. A dead polar bear was found, which alarmed some experts. Para. 5 E. Why is Earth getting warmer and warmer Fast reading. While Reading Careful reading. Read the passage carefully and choose the best answer. 1. From the second paragraph we can learn that . A. all the polar bears have died of starvation B. the expert knows nothing about the polar bear C. the polar bear couldn’t find enough food because of climate change D. the polar bear liked travelling long distances While Reading 2. According to the passage, help(s) Earth sustain life. A. the n ... ...
