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外研版（2019）必修第二冊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；一連串。例如：The company has launched a series of new products this year.（這家公司今年推出了一系列新產品。）
deforestation n. 砍伐森林；森林開伐。例如：Deforestation has a huge impact on the ecosystem.（砍伐森林對生態系統有巨大影響。）
biodiversity n. 生物多樣性。例如：Protecting biodiversity is crucial for the balance of the earth.（保護生物多樣性對地球的平衡至關重要。）
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；散發物；排放。常見搭配：emission of ……的排放。例如：The factory was fined for excessive emission of pollutants.（這家工廠因過度排放污染物被罰款。）
greenhouse gas 溫室氣體。例如：Reducing the use of fossil fuels can help cut down greenhouse gas emissions.（減少化石燃料的使用有助于減少溫室氣體排放。）
trap vt. 使困住；使陷入困境；儲存；收集 n. 陷阱；圈套。例如：The miners were trapped underground after the collapse.（礦井坍塌后，礦工們被困在了地下。）
3. "Deforestation not only destroys the habitats of countless species but also contributes to soil erosion and climate change."
habitat n. 棲息地；（動植物的）生活環境。例如：The rainforest is the habitat of many rare animals.（熱帶雨林是許多珍稀動物的棲息地。）
contribute to 導致；促成；為……做貢獻；有助于。在本句中意為“導致”。例如：Smoking contributes to lung cancer.（吸煙會導致肺癌。）
soil erosion 土壤侵蝕；水土流失。例如：Planting trees can prevent soil erosion.（植樹可以防止水土流失。）
4. "We need to take immediate action to address these environmental issues before it's too late."
take action 采取行動。常見搭配：take action to do sth. 采取行動做某事。例如：We should take action to protect the endangered species.（我們應該采取行動保護瀕危物種。）
address vt. 設法解決；處理；對付；演講；向……說話。例如：The government is trying to address the problem of unemployment.（政府正在努力解決失業問題。）
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.（我們應該回收廢紙和塑料瓶。）
conserve vt. 保護；保存；節省。例如：We need to conserve water during the drought.（干旱期間我們需要節約用水。）
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 可持續發展。例如：Sustainable development is the key to a better future.（可持續發展是美好未來的關鍵。）
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.（這個項目旨在改善當地居民的生活條件。）
compromise vt. & vi. 妥協；折中；違背（原則）；達不到（標準） n. 妥協；折中。例如：We can't compromise on matters of principle.（在原則問題上我們不能妥協。）
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.（投資可再生能源對未來來說是明智之舉。）
transition n. 過渡；轉變；變遷 vi. & vt. 轉變；過渡。常見搭配：transition to 向……過渡；轉變為。例如：The company is in the process of transitioning to a new management system.（這家公司正在向新的管理系統過渡。）
low - carbon economy 低碳經濟。例如：Many countries are working hard to develop a low - carbon economy.（許多國家正在努力發展低碳經濟。）
8. "Individuals also have a crucial role to play in environmental protection. Every small action counts."
crucial adj. 至關重要的；關鍵性的。常見搭配：be crucial to/for 對……至關重要。例如：Good communication is crucial to a successful marriage.（良好的溝通對成功的婚姻至關重要。）
count vi. 重要；有價值；數數 vt. 計算；認為。例如：In this game, every point counts.（在這個比賽中，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.

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