上外版（2020）选择性必修第三册 Unit 4 Protecting the Environment：Critical Thinking学案（教师版+学生版）

《高中英语》（上外版）选择性必修三 第四单元 第 6 课时 学案（教师版） I. Revision Interactive activity 1: Review the environmental problems discussed in this unit by answering the following question. Q: What environmental problems have been discussed in this unit Reading A: global warming Listening: cutting-down of the rainforest Viewing: disasters (hurricanes, earthquakes, floods, and droughts) Cultural Link: carbon footprint Reading B: waste in the ocean ( Solution 2 For individuals: 1) Individuals should use less p ackaging and pay attention to where they throw away the rubbish. 2) Individuals can also take part in ocean clean - up day . Expected results: 1) Less packaging and fewer products are a step on the way to more sustainable development. 2) If rubbish is picked up from th e beach, it will not flow out to the ocean and cause problems for animals that ea t it or become trapped in it. )Interactive activity 2: Retell the suggested solutions to the waste problem in the ocean with the help of the diagram. Solution 1 For organisations: Organisations like Ocean Conservancy have organised International Coastal Clean-up. Expected result: By cleaning up rubbish you are protecting the ocean environment and the animals that live there. II. Critical Thinking Interactive activity 3: Discuss the criteria for evaluating the feasibility of a solution. The Criteria for the Feasibility of a Solution □ Is the cost of time, money or energy within a reasonable range 1 / 3 □ Can it be done in practice □ Will it be effective … ( Problem with the earth )Interactive activity 4: Discuss in groups, illustrate the consequences of global warming and think of the solutions and the expected results based on the diagram. Problem: Global warming Consequences: Global warming increases the possibility of extreme weather events, accelerates the melting of ice caps and the rise of sea level, etc. ( ↓ ) ( Solution 1 For organisations: 1) Organizations like China Environmental Protection Foundation have organised “Automotive Environmental Innovation Leadership Program ” . Expected Result: By this progra m, more eco-friendly cars will be developed. 2) Ant Financial Service Group has launched Ant Forest program. Expected result: Ant Forest has motiva ted a half-billion people to jointly protect the environment by turning the ir green deeds into an afforestation campaign. )Solutions to the problem Solution 2 For individuals: 1) Individuals can reduce waste by choosing reusable products instead of disposables. Expected result: By recycling, you can save the resources. 2) You can reduce the use of electricity, water and gas, like taking public transportation instead of private cars. Expected result: By reducing the use of electricity, water and gas, you can save energy and reduce your greenhouse gas emission. Conclusion: If we all make efforts to reduce greenhouse gas emission, global warming will be slowed down and the environment will be more pleasant. (Answers may vary.) ... ...