Unit 3 Reading and Thinking 学案-2022-2023学年高中英语人教版（2019）选择性必修第三册

Unit 3 Environmental Protection Reading and Thinking Task 1: 整体理解 Skim the passage and fill in the blanks. ( The problem: T he earth is getting ________ __. ) ( A case: A polar bear was starved to __________ due to hunting no seals. ) ( The reason: The “ __________________________ ” . )Climate change requires the world’s attention ( The evidence: More extreme weather and natural ______________ worldwide. ) ( The conclusion: The global climate change requires the _______________ of people all over the world. ) Task 2: 细节探究 Answer the following 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? Task 3 : Important phrases 1. an alarming case 2. have an impact on 3. greenhouse effect 4. refer to 5. huge amounts of 6. fossil fuel 7. be trapped in 8. take appropriate action 9. economic losses 10. greenhouse gas emissions 11. result in 12. long-lasting changes 13. carbon footprint Task 4: Important sentences 1. There is little doubt that Earth is getting warmer and warmer (see the graph). There’s little/no doubt that... _______________________ I doubt whether/ if ________________ There's some doubt about/whether __________________ I don’t doubt that ... ________________ 解析：doubt在肯定句中，其后通常接 whether/ if 引导的宾语从句，在否定句或疑问句中通常接 that 从句。 Ex: ①毫无疑问，我能胜任这份工作。 _________________________________________________ ②The scene is so strange that _____________________(他怀疑...是否) there's something wrong with his eyes. 2. A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. along with 意为“连同；以及；和…一起 ”。连接前后两个主语时，谓语动词应和前面的主语保持一致。同样用法的还有：with, together with, as well as, except, besides, rather than