Unit 3 Conservation Topic Talk 单词 课件 2026-2027学年北师大版高中英语选择性必修第一册

该高中英语课件围绕Unit 3 Conservation主题，系统呈现核心词汇及其词义、派生词、搭配和例句。课堂导入从主题词汇切入，通过词根词缀关联（如conserve衍生conservation）、近义词对比（conservation-protection）构建知识脉络，形成词汇学习支架。 其亮点在于以语言能力培养为核心，融合思维品质与学习能力提升。通过“recycle”派生词填空、“threat”词性转换例句等设计，引导学生分析词汇用法，强化语境运用。采用词块教学与练习巩固法，助力学生高效掌握主题词汇，也为教师提供结构化的词汇教学资源。

Unit 3 Conservation Topic Talk 单词 1. conservation n. 保护 近义词：protection conserve v. 保护；节约 conservative adj.保守的；守旧的 eg: Environmental _____________(conserve) has been a hot topic in recent years. conservation 2. destroy v. 破坏；毁掉 destruction n. 破坏，摧毁 destructive adj. 破坏性的 destroy nature 毁坏自然 eg: Those rich countries have caused half of the world’s environmental ___________(destroy) while paying only 3% of its costs. destruction 3. plastic adj. 塑料制的 n. 塑料 plastic waste 塑料垃圾 plastics n. 塑料;整形外科 4. mining n. 采矿业 mine v. 采矿 n. 矿山，矿井 5. item n. 一项，一条，物品 an item of 一项；一条；一则 6. recycle vi. & vt.再利用，回收利用 recyclable adj. 可回收的 7. unrecyclable adj. 不可回收的 We package our products in ___________ (recycle) materials. recyclable 8. informative adj. 有教育意义的 information n. 信息 inform v.通知 inform sb of/inform sb that 通知，告知 The lecture was really___________(inform). informative 10. switch vi & vt. 转换，改变 switch on＝turn on 打开，接通 switch off＝turn off 关上，把……关掉 switch over 转换频道，转变 switch from... to... 从...到... 转换 9. threat n. 威胁；(灾难等坏事)发生的可能 threaten v. 威胁 threatening adj. 带威胁的，恐吓的 threatened adj. 受到威胁的 ① The use of oil and coal is one of the biggest________(threat) to our planet. ②Wildlife has been greatly ___________ (threat) in the modern age. threats threatened After dinner, we often switch______ the TV to watch the news, then switch______ football games. At 10 o’clock we switch _______ the TV and go to bed. on to off 11. have a role 起某种作用 have/ play a role (in) 在......中起重要作用 12. do one’s part 尽自己的职责 13. rhino n. 犀牛 14. illegally adv. 非法地， 违法地 illegal adj. 非法的 legal adj. 合法的 legally adv. 合法地 It’ s _______ (legal) to read people’s diary without permission. illegal 15. hunt vi & vt. 猎杀，猎取 hunter n. 猎人 hunt for 搜寻 hunt for a job/lost wallet 16. horn n. (牛、羊等头上的)角 horn in (on sb./sth.) 干预，介入，插手（无关的事 17. extinct adj. 灭绝的，绝种的 extinction n. 灭绝 18. incredibly adv. 非常地，极端地 incredible adj. 难以置信的 19. urgent adj. 紧急的，急迫的 It is urgent that + 从句【主语＋(should＋)动原＋其他】 极力主张 urgently adv. 紧急地，急迫地 urgency n. 紧急,急迫 urge v. 催促，力劝；竭力主张 n．冲动 urge sb to do sth. 敦促某人做某事 eg: We urge them _________(solve) the problem in time. to solve 1. The use of oil and coal is one of the biggest _________ (threat) to our planet. 2. If we all____________(尽我们的职责), we can live a healthier life on Earth. 3.Many animals are (legal) hunted for something they have. 4.That’s an ___________(incredible) urgent matter. 5. She was called away from the meeting to take an (urgency) phone call. threats do our part illegally incredibly urgent 6.The waste paper is sent for _________(recycle). 7.They were charged with bringing goods into the country__________(illegal). 8.The old bridge was totally _______ _(毁掉) in the heavy rain last week. 9.These wild animals are under careful ______ . (conserve). recycling illegally destroyed conservation $