复习课件（高教版第三版 拓展模块 Unit 3 Doing Our Part for the Environment）-2025-2026学年高二下学期《英语期中考点大串讲》

《英语 拓展板块 》 （高教版 第三版） Unit 3 Doing Our Part for the Environment 期中复习课件 01 明·期中考情 02 记·必考知识 + 练·10分钟 2.1单元重点词汇 2.2单元重点语法 2.3单元主题应用 2 01 明·期中考情 3 核心考点 复习目标 考情规律 重点词汇 掌握环保相关核心词汇（environment-friendly, recycle, sort, garbage等）及高频短语（deal with, carry out, take action等）。 词汇语法、完形填空、书面表达中考查；易混淆环保术语及短语搭配为丢分点。 语法知识 掌握形容词/副词比较级与最高级的基本用法，以及不定代词（every, each, both等）和代词（it, that, one等）的辨析。 基础考点，比较级结构、不定代词选择为高频易错点。 主题应用 能够谈论环保措施、垃圾分类方法，完成环保活动信件与倡议写作。 情景交际补全对话；写作围绕环保行动与倡议，注重应用文格式。 02 记·必考知识 + 练·10分钟 5 知识点01 单元重点词汇 核心词汇（词性+词义） 词汇变形 典型例句（含中文翻译） environment-friendly adj. 环保的 — Use environment-friendly bags instead of plastic ones. 使用环保袋代替塑料袋。 recycle v. 回收利用 recycling n. 62% of the waste is recycled in Germany. 德国62%的垃圾被回收利用。 sort v. 分类 sorting n. We need to sort garbage before throwing it away. 扔垃圾前需要分类。 garbage n. 垃圾 — Kitchen waste is a big problem for many cities. 厨余垃圾是许多城市的大问题。 smog n. 雾霾 smoggy adj. There have been fewer smoggy days. 雾霾天减少了。 responsible adj. 有责任的 responsibility n. Everyone is responsible for protecting the environment. 每个人都有责任保护环境。 reusable adj. 可重复使用的 use v. Cloth bags are reusable and environment-friendly. 布袋可重复使用且环保。 household adj. 家庭的 — Beijing divides household garbage into four types. 北京将生活垃圾分为四类。 hazardous adj. 有害的 hazard n. Batteries are hazardous waste. 电池是有害垃圾。 complicated adj. 复杂的 — Sorting garbage into six kinds can be too complicated. 将垃圾分成六类可能太复杂了。 重要短语 中文含义 典型例句 deal with 处理 We can help to deal with big environmental issues. 我们可以帮助处理重大环境问题。 carry out 实施，执行 Beijing began to carry out garbage sorting. 北京开始实施垃圾分类。 take action 采取行动 Many people are taking action to protect the environment. 许多人正在采取行动保护环境。 instead of 而不是 Use cloth bags instead of plastic ones. 使用布袋而不是塑料袋。 lead to 导致 Small steps can lead to big changes. 小步骤可以带来大变化。 be responsible for 对…负责 Everyone is responsible for the environment. 每个人都对环境负责。 garbage sorting 垃圾分类 Garbage sorting helps reduce waste. 垃圾分类有助于减少垃圾。 （1）词汇与语法 阅读下面句子，从A、B、C、D四个选项中选出可以填入空白处的最佳选项。 1. We should use ______ bags instead of plastic ones when shopping. A. cloth B. paper C. metal D. glass 【答案】A. cloth 【解析】句意：购物时我们应该使用布袋而不是塑料袋。cloth bags布袋，可重复使用且环保。 2. The government has taken measures to ______ air pollution. A. deal with B. look for C. wait for D. think of 【答案】A. deal with 【解析】句意：政府已采取措施处理空气污染。deal with意为“处理”。 3. Everyone is ______ for protecting the environment. A. responsible B. response C. responsibility D. responsibly 【答案】A. responsible 【解析】句意：每个人都有责任保护环境。be responsible for为固定搭配，意为“对…负责”。 4. There are many tall trees on ______ side of the road. A. every B. each C. both D. all 【答案】B. each 【解析】句意：路的两边都有许多高大的树木。each强调“每一”，常用于单数名词前；every侧重整体；both后接复数名词。 5. The air in the countryside is much fresher than ______ in the city. A. one B. that C. it D. those 【答案】B. that 【解析】句意：乡村的空气比城市的空气清新得多。that指代上文提到的不可数名词air。 （2）中英互译 1. We can use public transportation instead of driving our own cars. 【答案】我们可以使用公共交通代替开自己的车。 【详解】instead of代替；public transportation公共交通。 2. More trees will bring us fresh air and reduce pollution. 【答案】更多的树木将给我们带来新鲜空气并减少污染。 【详解】fresh air新鲜空气；reduce pollution减少污染。 3. Small steps can lead to big changes in environmental protection. 【答案】小步骤可以带来环境保护方面的巨大变化。 【详解】lead to导致；environmental protection环境保护。 4. 垃圾分类可以帮助减少垃圾总量。 Garbage ______ can help ______ the amount of waste. 【答案】sorting; reduce 【详解】garbage sorting垃圾分类；reduce减少。 5. 每个人都应该为保护地球尽一份力。 Everyone should ______ their ______ to protect the Earth. 【答案】do; part 【详解】do one's part尽某人的一份力。 知识点02 单元重点语法 类型 构成规则 例句 比较级 形容词/副词 + er / more + 原级 + than My room is much cleaner than yours. The days get longer and the nights get shorter. 最高级 the + 形容词/副词 + est / the most + 原级 This is the most helpful lecture I've listened to. 常见不规则变化 good/well → better → best; many/much → more → most; little → less → least; bad/badly → worse → worst Making recycled paper uses 58 percent less water. 比较级常用修饰语 much, far, even, a little, a bit The environment was much better then. 二、不定代词与代词辨析要点 代词 用法 例句 every / each every强调整体，后接单数名词；each强调个体，可指两者或多者 There are trees on each side of the road. it / that / one it指同一事物；that指代上文提到的不可数名词或单数名词；one指代同类事物中的一个 The air in the city is worse than that in the countryside. fewer / less fewer修饰可数名词；less修饰不可数名词 There are fewer cars now. / Using less water is important. both / all both指两者都；all指三者及以上 Both sides of the road have trees. 易错点提醒： • 比较级结构中，than前后比较对象要一致。 • 修饰比较级可用much, far, even, a little等，不能用very, quite。 • 最高级前通常加the，形容词性物主代词后不加the。 • few与little的比较级分别为fewer和less，需区分可数与不可数。 词汇与语法 1. When spring comes, the days get longer and the nights get ______. A. short B. shorter C. more short D. the shortest 【答案】B. shorter 【解析】句意：春天来了，白天变长，夜晚变短。and前后结构平行，用比较级shorter。 2. My room is much ______ than yours. You should clean it up. A. clean B. cleaner C. cleanest D. the cleaner 【答案】B. cleaner 【解析】句意：我的房间比你的干净得多。than提示用比较级，much修饰比较级。 3. There were ______ cars in this city several years ago than there are now. A. few B. fewer C. little D. less 【答案】B. fewer 【解析】句意：几年前这个城市的汽车比现在少。cars可数名词，用few的比较级fewer。 4. Making recycled paper uses 58 percent ______ water than making new paper. A. little B. less C. few D. fewer 【答案】B. less 【解析】句意：制造再生纸比制造新纸少用58%的水。water不可数名词，用less表示更少。 5. The air in the countryside is much fresher than ______ in the city. A. one B. it C. that D. those 【答案】C. that 【解析】句意：乡村的空气比城市的空气清新得多。that指代上文提到的不可数名词air。 （2）句子翻译 1. 今天的天气比昨天好。 The weather today is ______ ______ yesterday. 【答案】better than 【详解】good的比较级better，than引导比较对象。 2. 这是我看过的最有帮助的讲座。 This is the ______ helpful lecture that I ______ ever listened to. 【答案】most; have 【详解】最高级the most helpful；现在完成时have ever listened。 3. 路的两边都有树。 There are trees on ______ side of the road. 【答案】each 【详解】each强调每一侧，后接单数名词side。 4. 这个城市的空气质量比那个城市好得多。 The air quality in this city is much ______ than ______ in that city. 【答案】better; that 【详解】good的比较级better；that指代air quality。 5. 我们使用的塑料袋比以前少了。 We use ______ plastic bags than before. 【答案】fewer 【详解】plastic bags可数名词复数，用fewer表示更少。 知识点03 单元主题应用 主题 交际场景 核心句型 Doing Our Part for the Environment 环保措施讨论；垃圾分类咨询；志愿活动组织；环保信件/倡议写作 - Use public transportation instead of driving. - Sort garbage before throwing it away. - Everyone is responsible for the environment. - Small steps can lead to big changes. M: What did you do last weekend? W: I worked as a volunteer for an environmental protection organization. M: Wow! 1.______ W: I helped people sort garbage and handed out cloth bags. M: That's good. What do you think we can do to deal with environmental issues? W: Well, I think we can try to live a green life and encourage other people to do so. M: OK. 2.______ W: You're right. We can't fix everything. But at least we can make a small difference. M: I see! 3.______ W: Sure. You can start by saving water, reducing the use of coal and oil as well as planting more trees. M: Anything else? W: 4.______ And you can be a volunteer like me. M: Really? Can I? W: Of course. 5.______ （1） 补全对话 根据下面一段对话，从A、B、C、D、E、F、G七个选项中选出五个选项补全到空缺处，使对话完整、符合情景和含义。 选项; A. You can join us if you want to. B. What can I do to help? C. But sometimes I feel what I do doesn't matter much. D. We can't fix everything, but we can make a small difference. E. What did you do as a volunteer? F. Where did you do volunteer work? G. I think we should take action now. 【答案】1.E 2.C 3.B 4.G 5.A 【详解】 1.询问具体做了什么志愿工作； 2.表达对个人行动能否起作用的疑虑； 3. 询问具体可以做什么； 4.建议采取行动； 5.邀请对方加入志愿活动。 （2）应用文写作 请根据括号里的中文信息将内容补充完整，并将答案填写在答题卡上。 Dear Jessie, How are things with you? I'm very happy and excited because I did something meaningful. Our school organized a tree-planting activity on Thursday afternoon. My classmates and I went to Lotus Park 1.______ (步行) after lunch. When we got there, we worked in small groups. Some of us 2.______ (挖坑), some 3.______ (种树), and some 4.______ (浇水). In order to call on people to do something for the environment, some of us made5.______ 环保海报) and 6.______ (张贴)on the bulletin board . We were pleased that we did something meaningful and were eager to see the trees we planted7.______ (长大). I think everyone can 8.______ (尽自己的一份力) to protect the environment. 9.______ (小步骤) can lead to big changes. Let's 10.______ (采取行动) together! Look forward to hearing from you soon! Yours truly, Zhang Hua 【答案】 1. on foot 2. dug holes 3. planted trees 4. watered them 5. environmental protection posters 6. put them up   7. grow up 8. do their part / do one's part 9. Small steps 10. take action 【详细解析】 1. on foot — “步行”，固定短语，表示方式。 2. dug holes — “挖坑”，dig holes的过去式。 3. planted trees — “种树”，plant trees的过去式。 4. watered them — “浇水”，water them的过去式。 5.environmental protection posters — “环保海报”。 6. put them up — “张贴在宣传栏上”，put up张贴。 7. grow up — “我们种的树长大”，see sb./sth. do结构。 8. do their part / do one's part — “尽自己的一份力”，固定短语。 9. Small steps — “小步骤”，呼应课文Small steps can lead to big changes。 10. take action — “采取行动”，呼吁行动的常用表达。 Thank you for listening $