复习课件（语文版基础模块2 Unit4 Environmental Protection）-2025-2026学年高二下学期《英语期中考点大串讲》

期中复习课件 语文版 基础模块2 Unit4 Endvironmental Protection 目录 4 复习总结 3 重点词汇巩固与练习 2 单元语法巩固与练习 1 单元主题应用 5 复习目标与重难点 ONE 01 复习目标与重难点 复习目标 核心目标 掌握environment、pollution等核心词汇的词性、变形及固定搭配，熟练运用turn off、low-carbon life等高频短语。 单元词汇 掌握状语从句（I）的用法，掌握时间、地点、原因、目的状语从句的引导词及语序，避免引导词误用。 单元语法 运用环保相关句型，完成环保建议、低碳生活相关的情景交际及写作任务，确保内容完整、逻辑清晰。 单元主题应用 02 二、难点突破 可数/不可数名词误用（如resource→resources）、短语搭配错误（reduce pollution vs cut pollution）。 目的状语从句中so that与such that的区别。 写作中从句语序错误、措施描述不具体的问题。 01 一、重点内容 核心词汇的变形规则（如environment→environmental）及易混淆搭配（recycle vs reuse）。 状语从句引导词的区分（when/where/because/so that）及从句陈述句语序要求。 环保主题写作的具体措施表达，避免内容空洞。 复习重难点 ONE 02 重点词汇巩固与练习 知识点01：重点词汇 核心词汇 例句 1. environment n. 环境 2. pollution n. 污染 3. recycle v. 回收利用 4. reduce v. 减少 5. resource n. 资源 6. reusable adj. 可重复使用的 7. global adj. 全球的 8. dangerous adj. 危险的 9. protect v. 保护 10. balance n. 平衡 1. We must protect the natural environment.（我们必须保护自然环境。） 2. Air pollution is harmful to our health.（空气污染对我们的健康有害。） 3. We can recycle plastic bottles and paper.（我们可以回收塑料瓶和纸张。） 4. Try to reduce the use of disposable bags.（尽量减少一次性袋子的使用。） 5. Don't waste natural resources.（不要浪费自然资源。） 6. Bring a reusable water bottle when going out.（外出时带上可重复使用的水瓶。） 7. Global warming is a serious problem.（全球变暖是一个严重的问题。） 8. Pollution is dangerous for all living things.（污染对所有生物都很危险。） 9. We should protect wild animals.（我们应该保护野生动物。） 10. A balanced diet is good for health.（均衡的饮食有益于健康。） 知识点01：重点短语 短语 典型例句 1. turn off 2. low-carbon life 3. depend on 4. do harm to 5. pick up rubbish 6. protect the environment 7. reuse paper 8. plant trees 9. save energy 10. cut down pollution 11. live a green life 12. natural resource 1. We should stand in line when buying food.（买饭时我们应该排队。） 2. It's i1.Turn off the lights when leaving the room.（离开房间时关掉灯。） 2.Living a low-carbon life is good for the planet.（过低碳生活对地球有益。） 3.Humans depend on natural resources.（人类依赖自然资源。） 4.Too much pollution does harm to nature.（过多的污染对自然有害。） 5.We often pick up rubbish in the park.（我们经常在公园里捡垃圾。） 6.Everyone should protect the environment.（每个人都应该保护环7.境。） 7.We can reuse paper to save trees.（我们可以重复使用纸张来拯救树木。） 8.We plant trees every spring.（我们每年春天都种树。） 9.Using LED lights helps save energy.（使用LED灯有助于节约能源。） 10.Factories should cut down pollution.（工厂应该减少污染。） 11.More people begin to live a green life.（越来越多的人开始过绿色生活。） 12.Water is an important natural resource.（水是一种重要的自然资源。） 即时练习 答案：（1）resources（2）dangerous（3）reduce（4）balance（5）recycle （1）We must try our best to protect the natural ___________ (resource) on the earth. （2）It's ___________ (danger) to play with fire in the forest. （3）People should ___________ (reduce) the use of plastic bags to cut down pollution. （4）The ___________ (balance) of nature is very important for all living things. （5）We should ___________ (recycle) waste paper and bottles to save energy. 1. 根据句意及所给词的适当形式填空。 即时练习 【参考答案】 （（1）Please turn off the lights when you leave the room. （2）We should live a low-carbon life to protect the environment. （3）Human survival depends on natural resources. （4）Air pollution can do harm to our health. （5）We can pick up rubbish to make the park cleaner. （1）离开房间时请关掉灯。 （2）我们应该过低碳生活来保护环境。 （3）人类的生存依赖于自然资源。 （4）空气污染会对我们的健康造成危害。 （5）我们可以捡起垃圾来让公园更干净。 2. 汉译英 ONE 03 单元语法巩固与练习 知识点02：状语从句 一、时间状语从句 类别 用法 例句 时间状语从句 用表示时间的连词连接一个句子作状语，这样的从句就是时间状语从句。连接时间状语从句的连接词有：when，before，after,while，since,till/until，as soon as……这里要注意的一点是，如果主句是一般将来时，when ，as soon as引导的从句一般要用一般现在时表示将来意义。 1.He worked in Hangzhou before he came back. 他回来之前在杭州工作。 2.After he had taken a bath,he saw the message. 洗完澡后，他看到了这个消息。 3.When he was 16 years old,he moved to China with his parents.当他16岁的时候，他和父母一起来到中国。 4.While Jim was listening to the radio,there was a knock at the door.吉姆正在听收音机的时候，有人敲门。 5.As soon as I got into the classroom,the class began. 我刚一到教室，就开始上课了。 6.He has lived here since he became a teacher. 他从当老师起就住在这里。 7.She didn't go home until she finished her homework. 她完成作业后才回家。 知识点02：状语从句 一、时间状语从句 1.when/while/as when 既可指某一时间点，也可指一段时间；while指在某一段时间里，意为“当……时；在……期间”,引导的动作须是持续性的；as强调主句和从句的动作同时发生，意为“一边……一边……”。 1.When he returned,his wife was cooking. 当他回来时，他的妻子正在做饭。 2.While he was reading,his wife was cooking. 他读书时，他妻子在做饭。 3.As he was reading,he was listening to the radio. 他一边看书，一边听收音机。 2.when/whenever when 指的是“某一具体的时间”，whenever 指的是“在任何一个不具体的时间”。 1.When I came into the room,he was writing a letter. 当我进屋时，他正在写信。 2.We shall go there whenever we are free. 我们什么时间有空，就去那里。 3.as soon as/hardly…when…/no sooner…than… 此类连词都可以表示“一……就……；刚……就……”。 1.As soon as I arrive in Shanghai,I'll write to you.我一到上海就给你写信。 2. I had hardly got home when it began to rain. =Hardly had I got home when it began to rain. =No sooner had I got home than it began to rain. 我刚一到家，就下雨了。 知识点02：状语从句 一、时间状语从句 4.before It will be+一段时间+before从句 要过……才能做 It will not be+一段时间+before 从句 要不了……就能做 1.It will be a long time before we finish the task. 我们要花很长时间才能完成这项任务。 2.It will not be long before I graduate from this school. 我不久就要从这所学校毕业了。 5.It is/has been+一段时间+since 从句(did) 延续性动词要反过来翻译，短暂性动词要直译。 1.It is 10 years since I smoked.(=I gave up smoking/dropped smoking) (自从)我不抽烟已有10年了。 6.till/until till/until 意为“直到…… ” 如果主句的动词是延续性动作，常用肯定式，表示“直到……为止”;如果主句的动词是瞬间动词，常用否定式，表示“直到……才”。 1.We waited till(until)he came back. 我们一直等到他回来。 2.She didn't stop working until eleven o'clock. 她到11 点钟才停止工作。 知识点02：状语从句 二、地点状语从句 地点状语从句 地点状语从句表示动作发生的地点，通常由where，wherever等引导。地点状语从句可置于句首，句中或句尾。 省略形式：Make marks where(it is)necessary.在有必要的地方做标记。 注意：状语从句与定语从句有本质区别 1.She told her son to stay where he was. 她告诉儿子待在原地。 2.Wherever(无论哪里)you go,please keep in touch with me.无论你去哪里，请跟我保持联系。 3.Make a mark where you have any doubts. 哪里有疑虑，就在哪里做标记。(状语从句) Make a mark at the place where you have any doubts. 在有疑虑的地方做标记。(定语从句) 知识点02：状语从句 三、原因状语从句 原因状语从句 在句中用来说明主句原因的从句为原因状语从句。引导原因状语从句的从属连词有because(因为)，as (由于)，since(既然)，now(that) (既然)等。 because表示直接的原因，具有很强的因果关系，专门回答对“why”的提问；since=now that, 表示很明显的双方都知道的原因。as语气较弱，表示比较明显的原因，且比较口语化。 注意： for不是从属连词，而是并列连词。它不是用来说明原因，而是用来表示一种附带或补充解释说明，不放在句首。 1.We went by bus because it was cheaper.我们乘公共汽车去，因为这样便宜一些。 2.It must have rained last night as the ground is wet.昨晚一定下雨了因为地面是湿的。 3.He didn't come to school yesterday because he was ill.他昨天没来上学因为他生病了。 4.Since everyone knows it,I will not say anything. 既然每个人都知道了，我就不说了。 5.As it was getting late,he began to think of going home.天色晚了，他便想起了回家。 6.The day breaks,for the birds are singing.天亮了，小鸟在唱歌。 知识点02：状语从句 四、目的状语从句 目的状语从句 从句部分是用以补充说明主句中谓语动词发生的目的的从句，为目的状语从句。目的状语从句可以由that，so that，in order that，lest，for fear that，in case 等引导。目的状语从句的谓语常含有 may，might，can，could，should,will，would 等情态动词。 1.They got up early so that/in order that they could catch the train.他们起得很早，以便能赶上火车。 2.Say it louder so that everyone can hear you. 大声点说，以便大家都能听到你。 即时练习 1.单项选择（1-5题） （1）He didn’t go to bed ________ he finished his work. A．until B．when C．since D．because （2）I’ll keep the window open ________ you need fresh air. A．so that B．in case C．as long as D．now that （3）________ I was walking home, I met an old friend. A．If B．Because C．While D．After （4）The team kept practicing ________ they perfected the routine. A．until B．when C．while D．before （5）________ you’re going to the store, could you buy some milk? A．Since B．Unless C．Although D．Whereas 即时练习 1.单项选择（6-10题） （6）________ you’ve seen the report, what’s your opinion? A．Since B．Unless C．Although D．Whereas （7）I saved your number ________ I need to contact you urgently. A．in case B．so that C．as long as D．now that （8）Remember to keep the kids________we can see them. A．which B．where C．when D．who （9）She couldn’t attend the class ________ she was feeling unwell. A．since B．while C．where D．if （10）— Have you finished the book? — No, I’ve read up to the children discover the secret cave. A．which B．what C．that D．where 答案：（1）A （2）B （3）C （4）A （5）A （6）A （7）A （8）B （9）A （10）D 2.完成句子 （1）我弹钢琴的时候，她进来了。 I was the piano she came in. （2）我现在一用完就把灯关了。（根据中文句意完句） Now, I turn off the lights I finish using them. （3）I want to decorate the room 我希望他一到我就能装饰房间。 （4） there is hope. 只要生命存在，就有希望。 （根据中文句意完句子） （5）we, late, for, the, meeting, were, because, traffic jam, there, a, was (.) (连词成句) 答案：（1） playing when （2）as soon as （3）the moment he arrives （4）Where there is life （5）We were late for the meeting because there was a traffic jam. ONE 04 单元主题应用 知识点04：单元主题应用（1） 主题 交际场景 核心句型 环境保护 1. 谈论环境问题 1. What environmental problems can you think of?（你能想到哪些环境问题？） 2. Air pollution is getting worse in some areas.（部分地区的空气污染越来越严重。） 3. Global warming has a bad influence on our life.（全球变暖对我们的生活有不良影响。） 4. Plastic waste is harmful to animals and plants.（塑料垃圾对动植物有害。） 2. 提出环保建议 1. We should use reusable bags instead of plastic ones.（我们应该使用环保袋而不是塑料袋。） 2. It's necessary to turn off lights when leaving rooms.（离开房间时关灯是必要的。） 3. Why not plant more trees to improve air quality?（为什么不多种树来改善空气质量呢？） 4. We'd better go to school by bike or on foot.（我们最好骑自行车或步行上学。） 3. 表达环保决心 1. I promise to reduce waste in my daily life.（我承诺在日常生活中减少浪费。） 2. I will try my best to protect the environment.（我会尽力保护环境。） 3. Let's work together to make the earth cleaner.（让我们一起努力让地球更干净。） 4. It's our duty to protect natural resources.（保护自然资源是我们的责任。） 知识点04：单元主题应用（2） 写作类型 模板框架 示例（完整） 健康饮食建议信 Dear ________, I'm glad to share some advice on healthy eating with you. First, we should ________. Second, it's necessary to ________. What's more, we need to ________. Following these tips will help us keep healthy. Let's develop good eating habits together! Yours, ________ Dear classmates, I'm glad to share some advice on healthy eating with you. First, we should eat more vegetables and less fried food every day. Second, it's necessary to use serving chopsticks when dining with others to keep healthy. What's more, we need to avoid ordering too much food to reduce waste. Following these tips will help us keep healthy. Let's develop good eating habits together! Yours, Li Hua 1.补充对话 即时练习 A: I’m going green. B: 1 Maybe I’ll do the same. A: 2 B: Yeah, it’s really important to me, so I’ve been doing a lot. A: More and more people have realized environmental problems. B: It’s fantastic to be around so many people who care about the environment. A: I want to save more energy. 3 B: Yeah, and it lowers your electric bill. A: Wherever we go, we can find rubbish carelessly disposed. B: Maybe we could get involved in projects to improve the environment. A: Factories always pollute the environment by pouring waste water directly into rivers. B: 4 A: Yes, massive destruction of environment has brought about negative effects. B: 5 Governments should focus on the preservation of the environment. 1.补充对话 即时练习 A．I turn off the lights when I leave a room. B．You’re very right. C．It takes more effort. D．Are you trying to help the environment? E．Can you give me more examples about protecting the environment? F．That’s cool. G．I think we must take actions to solve environmental problems. （1）F （2）D （3）A （4）B （5）G 即时练习 2.写作 假设你是李华，请根据以下提示，写一篇题为“How to Protect the Environment”的英语作文。 提示： 1. 节约资源（节约用水、用电，减少使用一次性用品）； 2. 减少污染（不乱扔垃圾，垃圾分类，绿色出行）； 3. 保护自然（植树造林，保护动植物）； 4. 呼吁大家共同努力，保护环境。 要求： 1. 词数80 — 100； 2. 条理清晰，语句通顺，语法正确； 3. 文中不得出现真实姓名和学校名称。 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 即时练习 2.写作例文 How to Protect the Environment As we all know, the environment is very important for our life. We must take action to protect it. First, we should save resources. We can turn off the lights when leaving rooms and turn off the tap while brushing teeth. We should also use fewer disposable products, like plastic bags and chopsticks. Second, we need to reduce pollution. Don’t throw rubbish everywhere. We should sort rubbish into different groups. Try to walk, ride bikes or take public transport instead of driving cars.   Third, we should protect nature. We can plant more trees and stop cutting down forests. We should also protect animals and plants because they are our friends. Protecting the environment is everyone’s duty. Let’s work together to make the world a cleaner and more beautiful place. 一、词汇：每日记忆5个词汇+短语，标注易错搭配（如resources复数形式）。 二、语法：每日完成3道从句填空+2道改错，重点练习引导词选择。 三、写作：每周写1篇环保主题短文，确保包含3条具体措施。 备考建议： 核心聚焦： 一、词汇：牢记10个核心词汇变形及12个高频短语，重点区分易混淆搭配。 二、语法：掌握4类状语从句的引导词及用法，确保从句语序正确。 三、句型：熟练运用环保主题交际句型，写作突出具体措施。 四、话题：覆盖环保建议、低碳生活、环境问题等核心主题。 复习总结 感谢观看！ Thank you! $