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Ecological Balance
Ecological balance¹ is very important for all living things on the earth. It means a healthy ecological environment and a stable ecosystem¹.
There are many natural areas, like wetlands, grasslands, rainforests, deserts and rivers. They all help keep the balance. But if people cut down¹ too many trees or pollute the environment, the balance will be broken. The number of endangered wild animals may drop, and their survival will be in danger.
To protect our home, everyone should join in ecological protection. We can plant more trees, save energy and reduce pollution. If we make great efforts¹ to love nature, the number of wild animals will increase, and the ecosystem will become better.
The most important thing is to get along well with nature. Only by keeping ecological balance can we live a happy and healthy life.
①准确运用本单元重点词汇，如 ecological balance、ecosystem、cut down、make great efforts 等，句式规范，语言流畅。
②要点完整，内容充实。涵盖生态平衡的重要性、人类活动的影响及保护措施，紧扣主题，表达清楚。
③主题积极向上，倡导爱护自然、保护生态平衡，传递了正确的环保观念，具有良好的教育意义。
Ecological balance¹ is very important for all living things on the earth. It means a healthy ecological environment and a stable ecosystem¹.
There are many natural areas, like wetlands, grasslands, rainforests, deserts and rivers. They all help keep the balance. But if people cut down¹ too many trees or pollute the environment, the balance will be broken. The number of endangered wild animals may drop, and their survival will be in danger.
To protect our home, everyone should join in ecological protection. We can plant more trees, save energy and reduce pollution. If we make great efforts¹ to love nature, the number of wild animals will increase, and the ecosystem will become better.
The most important thing is to get along well with nature. Only by keeping ecological balance can we live a happy and healthy life.
①准确运用本单元重点词汇，如 ecological balance、ecosystem、cut down、make great efforts 等，句式规范，语言流畅。
②要点完整，内容充实。涵盖生态平衡的重要性、人类活动的影响及保护措施，紧扣主题，表达清楚。
③主题积极向上，倡导爱护自然、保护生态平衡，传递了正确的环保观念，具有良好的教育意义。
答案
参考范文：
Ecological Balance
Ecological balance is very important for all living things on the earth. It means a healthy ecological environment and a stable ecosystem.
There are many natural areas, like wetlands, grasslands, rainforests, deserts and rivers. They all help keep the balance. But if people cut down too many trees or pollute the environment, the balance will be broken. The number of endangered wild animals may drop, and their survival will be in danger.
To protect our home, everyone should join in ecological protection. We can plant more trees, save energy and reduce pollution. If we make great efforts to love nature, the number of wild animals will increase, and the ecosystem will become better.
The most important thing is to get along well with nature. Only by keeping ecological balance can we live a happy and healthy life.
Ecological Balance
Ecological balance is very important for all living things on the earth. It means a healthy ecological environment and a stable ecosystem.
There are many natural areas, like wetlands, grasslands, rainforests, deserts and rivers. They all help keep the balance. But if people cut down too many trees or pollute the environment, the balance will be broken. The number of endangered wild animals may drop, and their survival will be in danger.
To protect our home, everyone should join in ecological protection. We can plant more trees, save energy and reduce pollution. If we make great efforts to love nature, the number of wild animals will increase, and the ecosystem will become better.
The most important thing is to get along well with nature. Only by keeping ecological balance can we live a happy and healthy life.
解析
【分析】本题为英语写作题，要求围绕“生态平衡”主题完成短文，需涵盖生态平衡的重要性、人类活动的影响及保护措施，准确运用指定重点词汇，语言流畅。解题思路为：先开篇点明生态平衡的定义与重要性；再说明自然区域对平衡的作用，以及人类破坏行为（砍树、污染）打破平衡的后果；接着提出具体保护措施；最后升华主题，强调与自然和谐相处，确保符合所有写作要求。
【解析】写作步骤如下：1. 开篇：点明生态平衡对地球所有生物的重要性，解释其含义（健康的生态环境和稳定的生态系统）；2. 中间段：列举湿地、草原等自然区域对维持平衡的作用，指出人类砍树、污染环境会打破平衡，导致濒危动物数量下降、生存受威胁；3. 措施段：提出个人可参与的保护行动（种树、节能、减污染），强调共同努力的效果；4. 结尾：点明与自然和谐相处是核心，用“only by...”句式升华主题，确保运用指定重点词汇，要点完整。
【答案】Ecological Balance
Ecological balance is very important for all living things on the earth. It means a healthy ecological environment and a stable ecosystem.
There are many natural areas, like wetlands, grasslands, rainforests, deserts and rivers. They all help keep the balance. But if people cut down too many trees or pollute the environment, the balance will be broken. The number of endangered wild animals may drop, and their survival will be in danger.
To protect our home, everyone should join in ecological protection. We can plant more trees, save energy and reduce pollution. If we make great efforts to love nature, the number of wild animals will increase, and the ecosystem will become better.
The most important thing is to get along well with nature. Only by keeping ecological balance can we live a happy and healthy life.
【知识点】英语写作、主题表达、重点词汇运用
【点评】本文紧扣“生态平衡”主题，涵盖了生态平衡的重要性、人类活动的影响及保护措施，准确运用了指定重点词汇，句式规范，语言流畅，传递了积极的环保观念，符合写作要求。
【难度系数】0.3
【解析】写作步骤如下：1. 开篇：点明生态平衡对地球所有生物的重要性，解释其含义（健康的生态环境和稳定的生态系统）；2. 中间段：列举湿地、草原等自然区域对维持平衡的作用，指出人类砍树、污染环境会打破平衡，导致濒危动物数量下降、生存受威胁；3. 措施段：提出个人可参与的保护行动（种树、节能、减污染），强调共同努力的效果；4. 结尾：点明与自然和谐相处是核心，用“only by...”句式升华主题，确保运用指定重点词汇，要点完整。
【答案】Ecological Balance
Ecological balance is very important for all living things on the earth. It means a healthy ecological environment and a stable ecosystem.
There are many natural areas, like wetlands, grasslands, rainforests, deserts and rivers. They all help keep the balance. But if people cut down too many trees or pollute the environment, the balance will be broken. The number of endangered wild animals may drop, and their survival will be in danger.
To protect our home, everyone should join in ecological protection. We can plant more trees, save energy and reduce pollution. If we make great efforts to love nature, the number of wild animals will increase, and the ecosystem will become better.
The most important thing is to get along well with nature. Only by keeping ecological balance can we live a happy and healthy life.
【知识点】英语写作、主题表达、重点词汇运用
【点评】本文紧扣“生态平衡”主题，涵盖了生态平衡的重要性、人类活动的影响及保护措施，准确运用了指定重点词汇，句式规范，语言流畅，传递了积极的环保观念，符合写作要求。
【难度系数】0.3
[范文评析]
1. 总评:本文紧扣“生态平衡”主题,内容完整,语言通顺,准确使用本单元重点词汇,观点表达清晰,符合九年级写作要求。
2. 结构布局:采用“开篇点明‘生态平衡’的重要性→正文说明人类活动对生态的破坏,并给出生态保护的具体做法→结尾总结并呼吁与自然和谐相处”展开,段落过渡自然,逻辑严谨。结构清晰,层次分明。
写作实践
保护生态环境,人人有责。请你以“How to Protect the Ecological Environment”为题,根据以下要点提示,写一篇英语短文。
要点提示:
★Why should we try to protect the ecological environment?
★How can we protect the ecological environment?
要求:1.按上述提示内容进行写作,可适当发挥;2.词数80左右,短文开头已给出,不计入总词数。
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
·55·
1. 总评:本文紧扣“生态平衡”主题,内容完整,语言通顺,准确使用本单元重点词汇,观点表达清晰,符合九年级写作要求。
2. 结构布局:采用“开篇点明‘生态平衡’的重要性→正文说明人类活动对生态的破坏,并给出生态保护的具体做法→结尾总结并呼吁与自然和谐相处”展开,段落过渡自然,逻辑严谨。结构清晰,层次分明。
写作实践
保护生态环境,人人有责。请你以“How to Protect the Ecological Environment”为题,根据以下要点提示,写一篇英语短文。
要点提示:
★Why should we try to protect the ecological environment?
★How can we protect the ecological environment?
要求:1.按上述提示内容进行写作,可适当发挥;2.词数80左右,短文开头已给出,不计入总词数。
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
The ecological environment is closely connected with our life and health. A good environment supports our development, while pollution brings trouble to us all. That is why we must take action right now.
There are many practical ways to protect it. First, we should save natural resources by turning off lights and taps in time.
Second, we can choose to walk or ride bikes instead of driving cars to reduce air pollution.
Third, it's a good habit to sort and recycle rubbish.
Only by making small changes together can we build a green home.
If we keep doing so, our planet will become more beautiful.
Protecting the environment is protecting our future.
·55·
答案
第七课时 Writing
标准提分版：
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
The ecological environment is closely connected with our life and health. A good environment supports our development, while pollution brings trouble to us all. That is why we must take action right now.
There are many practical ways to protect it. First, we should save natural resources by turning off lights and taps in time. Second, we can choose to walk or ride bikes instead of driving cars to reduce air pollution. Third, it's a good habit to sort and recycle rubbish.
Only by making small changes together can we build a green home. If we keep doing so, our planet will become more beautiful. Protecting the environment is protecting our future.
进阶优化版：
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
Why should we take action? A healthy ecological environment is fundamental to human survival and development. Without clean air, safe water, and fertile soil, our health and prosperity would be threatened. For example, pollution can cause diseases, while climate change may lead to extreme weather.
To address these challenges, we must take practical measures. First, reduce waste by recycling and reusing materials. Second, choose green transport like cycling or public transport to cut down air pollution. Third, save energy by turning off lights when unused. Additionally, we should support renewable energy, such as solar and wind power. Furthermore, schools can organise activities like tree planting or clean-up events to raise awareness.
In conclusion, by making small changes in daily life and working together, we can significantly strengthen environmental protection. Let's act now to build a beautiful home!
标准提分版：
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
The ecological environment is closely connected with our life and health. A good environment supports our development, while pollution brings trouble to us all. That is why we must take action right now.
There are many practical ways to protect it. First, we should save natural resources by turning off lights and taps in time. Second, we can choose to walk or ride bikes instead of driving cars to reduce air pollution. Third, it's a good habit to sort and recycle rubbish.
Only by making small changes together can we build a green home. If we keep doing so, our planet will become more beautiful. Protecting the environment is protecting our future.
进阶优化版：
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
Why should we take action? A healthy ecological environment is fundamental to human survival and development. Without clean air, safe water, and fertile soil, our health and prosperity would be threatened. For example, pollution can cause diseases, while climate change may lead to extreme weather.
To address these challenges, we must take practical measures. First, reduce waste by recycling and reusing materials. Second, choose green transport like cycling or public transport to cut down air pollution. Third, save energy by turning off lights when unused. Additionally, we should support renewable energy, such as solar and wind power. Furthermore, schools can organise activities like tree planting or clean-up events to raise awareness.
In conclusion, by making small changes in daily life and working together, we can significantly strengthen environmental protection. Let's act now to build a beautiful home!
解析
【分析】
本题要求以“How to Protect the Ecological Environment”为题完成英语短文，开头已给出，需围绕“为什么保护生态环境”和“如何保护”两个要点写作，词数约80词。解题思路：1. 承接给定开头，先阐述保护生态环境的必要性，说明生态与人类生活、健康的关联，以及破坏环境的危害，引出必须行动；2. 正文列举贴近日常生活的具体环保措施，使内容具体可行；3. 结尾总结呼吁，升华主题，符合写作结构要求。
【解析】
1. 承接开头说明保护原因：The ecological environment is closely connected with our life and health. A good environment supports our development, while pollution brings trouble to us all. That is why we must take action right now.
2. 列举具体保护措施：There are many practical ways to protect it. First, we should save natural resources by turning off lights and taps in time. Second, we can choose to walk or ride bikes instead of driving cars to reduce air pollution. Third, it's a good habit to sort and recycle rubbish.
3. 结尾总结升华：Only by making small changes together can we build a green home. If we keep doing so, our planet will become more beautiful. Protecting the environment is protecting our future.
【答案】
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
The ecological environment is closely connected with our life and health. A good environment supports our development, while pollution brings trouble to us all. That is why we must take action right now.
There are many practical ways to protect it. First, we should save natural resources by turning off lights and taps in time. Second, we can choose to walk or ride bikes instead of driving cars to reduce air pollution. Third, it's a good habit to sort and recycle rubbish.
Only by making small changes together can we build a green home. If we keep doing so, our planet will become more beautiful. Protecting the environment is protecting our future.
【知识点】
英语话题写作、生态环保表达、议论文结构
【点评】
范文紧扣主题，结构清晰，要点明确，语言简洁通顺，符合九年级英语写作要求，为学生提供了清晰的写作思路和范例。
【难度系数】
0.5
本题要求以“How to Protect the Ecological Environment”为题完成英语短文，开头已给出，需围绕“为什么保护生态环境”和“如何保护”两个要点写作，词数约80词。解题思路：1. 承接给定开头，先阐述保护生态环境的必要性，说明生态与人类生活、健康的关联，以及破坏环境的危害，引出必须行动；2. 正文列举贴近日常生活的具体环保措施，使内容具体可行；3. 结尾总结呼吁，升华主题，符合写作结构要求。
【解析】
1. 承接开头说明保护原因：The ecological environment is closely connected with our life and health. A good environment supports our development, while pollution brings trouble to us all. That is why we must take action right now.
2. 列举具体保护措施：There are many practical ways to protect it. First, we should save natural resources by turning off lights and taps in time. Second, we can choose to walk or ride bikes instead of driving cars to reduce air pollution. Third, it's a good habit to sort and recycle rubbish.
3. 结尾总结升华：Only by making small changes together can we build a green home. If we keep doing so, our planet will become more beautiful. Protecting the environment is protecting our future.
【答案】
How to Protect the Ecological Environment
It is everyone's duty to protect ecological environment.
The ecological environment is closely connected with our life and health. A good environment supports our development, while pollution brings trouble to us all. That is why we must take action right now.
There are many practical ways to protect it. First, we should save natural resources by turning off lights and taps in time. Second, we can choose to walk or ride bikes instead of driving cars to reduce air pollution. Third, it's a good habit to sort and recycle rubbish.
Only by making small changes together can we build a green home. If we keep doing so, our planet will become more beautiful. Protecting the environment is protecting our future.
【知识点】
英语话题写作、生态环保表达、议论文结构
【点评】
范文紧扣主题，结构清晰，要点明确，语言简洁通顺，符合九年级英语写作要求，为学生提供了清晰的写作思路和范例。
【难度系数】
0.5
