话题3分析生态平衡的重要性-2025-2026学年高中英语期末写作复习必修3（译林版）

高中英语写作专项突破 (译林版必修3) 写作话题精讲·词汇句型·范文示范 写作话题3：分析生态平衡的重要性 适用年级： 必修3 对应版本： 译林版 常考题日： Analyze the Importance of Ecological Balance The Significance of Maintaining Ecological Balance 一、 话题解读 本话题是译林版高中英语必修3的重点写作内容。常考题目有“Analyze the Importance of Ecological Balance”“The Significance of Maintaining Ecological Balance”等，核心考察学 生分析生态平衡重要性的逻辑与语言表达能力。该话题在高中英语写作中多以议论文形式出 现，是期中、期末的常见话题。 二、核心词汇与短语 1.核心词汇(18个)： 1.biodiversity/,bareudaI'v3:sati/n.生物多样性 2.sustainability/se,steine'bIleti/n.可持续性 3.equilibrium/,i:kwr'IIbriem/n.平衡；均衡 4.interdependence/,IntedI'pendens/n.相互依赖 5.ecosystem /'i:ka5 sIstem./m.生态系统 6.disturbance/dr'st3:bans/n.干扰；扰乱 7.conservation/kpnse'ver[n/n.保护；保存 8.species/spi:i:zln.物种 9.habitat/'haebItaet/n.栖息地 10.degradation/,degre'deIJn/n..退化；恶化 11.restoration/,reste'renn.恢复；修复 12.predator /'predete(r)n.捕食者 13.prey/preI/n.猎物 2 14.cycle/'saIkl/n.循环；周期 15.balance/'baelens/n.平衡；均衡 16.stability/ste'bIleti//n.稳定性 17.diversity /daI'v3:soti/n.多样性 18.interaction/,Inter'ekn/n.相互作用 2.核心短语(12个)： 1.ecological balance生态平衡 2.biological diversity生物多样性 3.ecosystem stability生态系统稳定性 4.food chain食物链 5.energy flow能量流动 6.material cycle物质循环 7.habitat destruction栖息地破坏 8.species extinction物种灭绝 9.environmental protection环境保护 10.sustainable development可持续发展 11.natural resources自然资源 12.ecological restoration生态恢复 三、高级句型模板 1.结构：“only+状语”倒装结构 Only by preserving biological diversity can we maintain the equilibrium of ecosystems. 2.结构：非限制性定语从句 Every species plays a unique role in the food chain,which enables the ecosystem to achieve long-term stability. 3.结构：形式主语t句型 It is crucial that we (should)take immediate action to prevent habitat destruction 4.结构：让步状语从句 Although human activities have caused some ecological disturbances we still can promote ecological restoration through conservation efforts 5.结构：现在分词作状语 Understanding the interdependence between species,we can better ap- preciate the significance of ecological balance. 6.结构：动名词作主语句型 Protecting natural resources is an effective way to ensure sustainable development of ecosystems. 7.结构：not only.but also..并列结构 Not only can ecological balance provide us with clean air and water,but also it can maintain the stability of the entire planet. 8.结构：“the+比较级，the+比较级.”句型 The more efforts we make to protect biodiversity,the more stable our living environment will be. 四、满分范文示范 Analyze the Importance of Ecological Balance Ecological balance,the equilibrium within ecosystems,is a cornerstone of nature's sustain- ability.Understanding its significance helps us recognize our responsibility to protect the planet we inhabit. Firstly,ecological balance ensures ecosystem stability through intricate species interactions. Every species plays a unique role in the food chain,_enables the ecosystem to achieve long-term stability.For example,predators control prey populations,preventing overgrazing and maintaining biodiversity.This interdependence forms the foundation of healthy energy flow and material cycles,_are vital for natural resources renewal. Secondly,maintaining ecological balance is crucial for human survival.Not only can ecolog- ical balance provide us with clean air and water,but also it can maintain the stability of the entire planet.However,habitat destruction and species extinction caused by human activ- ities have led to serious ecological disturbances._that we(should)take immediate action to prevent further degradation,such as promoting environmental protection and sustainable development. Finally,protecting ecological balance paves the way for future generations.Only by pre- serving biological diversity can we maintain the equilibrium of ecosystems for our children and grandchildren.The more efforts we make to protect biodiversity,-stable our living environment will be.Engaging in ecological restoration projects and raising conservatiof awareness are effective ways to achieve this goal. In conclusion,ecological balance is not just a natural phenomenon but a necessity for all life on Earth.By valuing and safeguarding it,we ensure a harmonious coexistence between humans and nature.