资源简介

外研版（2019）必修第二册Unit 6 Earth First!
Teaching and learning contents
Reading and thinking—Language Focus and Thinking Quality Development
Comprehensive teaching and learning objectives
By the end of this period, the students will have been able to:
1. Grasp the usage of new words, phrases and sentence patterns related to environmental protection, and use them accurately in written and oral communication to improve language competence.
2. Analyze the text comprehensively, understand the current environmental problems and solutions, and enhance critical thinking and environmental awareness.
Teaching and learning important points
1. Master language focus points, such as vocabulary related to environmental issues, complex sentence structures, and collocations, and improve reading comprehension ability.
2. Reconstruct the text based on the understanding of environmental protection knowledge, and develop thinking quality by exploring sustainable development strategies.
Teaching and learning difficult points
1. Master some specialized vocabulary and complex sentence structures in the context of environmental protection.
2. Deeply understand the complex relationship between human activities and the environment, and put forward feasible suggestions for environmental protection.
Teaching and learning procedure
Step 1 Review
Activity 1 Review
Check the answers of the pre - reading tasks, such as a short quiz about common environmental problems (e.g., matching pictures of pollution types with their names: air pollution, water pollution, soil pollution). Also, review students' prior knowledge about environmental protection measures they learned before, like reducing waste and saving energy. This can activate students' existing knowledge and help them better engage with the new content.
Step 2 Language Focus
Activity 2 Learning about the new language items
1. "Our planet is facing a series of environmental challenges, such as climate change, deforestation, and loss of biodiversity."
a series of 一系列；一连串。例如：The company has launched a series of new products this year.（这家公司今年推出了一系列新产品。）
deforestation n. 砍伐森林；森林开伐。例如：Deforestation has a huge impact on the ecosystem.（砍伐森林对生态系统有巨大影响。）
biodiversity n. 生物多样性。例如：Protecting biodiversity is crucial for the balance of the earth.（保护生物多样性对地球的平衡至关重要。）
2. "Climate change is mainly caused by the emission of greenhouse gases, like carbon dioxide, which trap heat in the atmosphere."
emission n. 排放物；散发物；排放。常见搭配：emission of ……的排放。例如：The factory was fined for excessive emission of pollutants.（这家工厂因过度排放污染物被罚款。）
greenhouse gas 温室气体。例如：Reducing the use of fossil fuels can help cut down greenhouse gas emissions.（减少化石燃料的使用有助于减少温室气体排放。）
trap vt. 使困住；使陷入困境；储存；收集 n. 陷阱；圈套。例如：The miners were trapped underground after the collapse.（矿井坍塌后，矿工们被困在了地下。）
3. "Deforestation not only destroys the habitats of countless species but also contributes to soil erosion and climate change."
habitat n. 栖息地；（动植物的）生活环境。例如：The rainforest is the habitat of many rare animals.（热带雨林是许多珍稀动物的栖息地。）
contribute to 导致；促成；为……做贡献；有助于。在本句中意为“导致”。例如：Smoking contributes to lung cancer.（吸烟会导致肺癌。）
soil erosion 土壤侵蚀；水土流失。例如：Planting trees can prevent soil erosion.（植树可以防止水土流失。）
4. "We need to take immediate action to address these environmental issues before it's too late."
take action 采取行动。常见搭配：take action to do sth. 采取行动做某事。例如：We should take action to protect the endangered species.（我们应该采取行动保护濒危物种。）
address vt. 设法解决；处理；对付；演讲；向……说话。例如：The government is trying to address the problem of unemployment.（政府正在努力解决失业问题。）
5. "Recycling is an effective way to reduce waste and conserve natural resources."
recycle vt. & vi. 回收利用；再利用。例如：We should recycle waste paper and plastic bottles.（我们应该回收废纸和塑料瓶。）
conserve vt. 保护；保存；节省。例如：We need to conserve water during the drought.（干旱期间我们需要节约用水。）
6. "Sustainable development aims to meet the needs of the present without compromising the ability of future generations to meet their own needs."
sustainable development 可持续发展。例如：Sustainable development is the key to a better future.（可持续发展是美好未来的关键。）
aim to do sth. 力求做某事；旨在做某事。例如：The project aims to improve the living conditions of the local people.（这个项目旨在改善当地居民的生活条件。）
compromise vt. & vi. 妥协；折中；违背（原则）；达不到（标准） n. 妥协；折中。例如：We can't compromise on matters of principle.（在原则问题上我们不能妥协。）
7. "Renewable energy sources, such as solar, wind, and hydro power, are becoming increasingly important in the transition to a low - carbon economy."
renewable energy 可再生能源。例如：Investing in renewable energy is a wise choice for the future.（投资可再生能源对未来来说是明智之举。）
transition n. 过渡；转变；变迁 vi. & vt. 转变；过渡。常见搭配：transition to 向……过渡；转变为。例如：The company is in the process of transitioning to a new management system.（这家公司正在向新的管理系统过渡。）
low - carbon economy 低碳经济。例如：Many countries are working hard to develop a low - carbon economy.（许多国家正在努力发展低碳经济。）
8. "Individuals also have a crucial role to play in environmental protection. Every small action counts."
crucial adj. 至关重要的；关键性的。常见搭配：be crucial to/for 对……至关重要。例如：Good communication is crucial to a successful marriage.（良好的沟通对成功的婚姻至关重要。）
count vi. 重要；有价值；数数 vt. 计算；认为。例如：In this game, every point counts.（在这个比赛中，每一分都很重要。）
Step 3 Post Reading—Text reconstruction and thinking quality improvement
Activity 4 Text reconstruction
1. Reconstruct the text by introducing environmental problems, their causes, and corresponding solutions. Students are required to use the new words and phrases learned. They can start with a general statement about the current environmental situation and then elaborate on specific problems and solutions.
2. Complete a short passage about environmental protection with blanks. For example:
Our earth is in trouble. Climate change, mainly due to the 1.____ of greenhouse gases, is a serious threat. 2.____ is destroying the habitats of many species. To 3.____ these issues, we should take action. Recycling can help 4.____ waste and 5.____ natural resources. 6.____ development is the long - term goal, aiming to balance economic growth and environmental protection.
(Answers: 1. emission; 2. Deforestation; 3. address; 4. reduce; 5. conserve; 6. Sustainable)
Activity 5 Discussing and thinking
Discuss the following questions in groups and share the answers:
1. Among the environmental problems mentioned in the text, which one do you think is the most urgent to solve And what are the reasons
2. In your daily life, what are the practical ways to contribute to environmental protection Can you list at least three specific actions
3. How can governments, enterprises, and individuals work together to achieve sustainable development
Step 4 Evaluation and summary
Activity 6 Self - evaluation
Guide students to reflect on their learning of this period from the following aspects:
1. How well do you master the new language items (Good/Fairly good/Moderate/Just so so/Poor)
2. How is your performance in group discussions and text - reconstruction activities (Good/Fairly good/Moderate/Just so so/Poor)
3. What will you do after class to improve your learning
Activity 7 Summary
The teacher briefly summarizes the main contents of this period, emphasizing key language points and the importance of environmental protection. Highlight the need for everyone to take responsibility for the environment and work towards sustainable development.
Homework
1. Write an article about "My Suggestions for Environmental Protection" in at least 120 words. Use as many new words and phrases as possible.
2. Make a list of environmental protection activities you can organize in your community or school, and write a short plan for one of them.
3. Preview the "Discovering Useful Structures" part of the unit and find examples of relevant structures in the reading text.

展开更多......

收起↑