期中复习讲义 考点6：环保话题词汇 2025-2026学年仁爱科普版七年级英语下册

仁爱科普版·七年级英语下册期中复习 ——考点6：环保话题词汇 本考点源自Unit 8 “Our Blue Planet”。地球是人类共同的家园，但环境污染越来越严重。我们应该怎样保护地球？本讲将带你学习与环保相关的核心词汇和短语，并掌握如何用英语表达环保行动。 🌍 一个小故事： 小明看到河边有很多塑料瓶和垃圾，河水又脏又臭。他很伤心，对妈妈说：“The river is polluted. We must protect the environment.” 妈妈点点头：“Yes. We should save water, recycle waste, and plant more trees. Every small action helps.” 从那以后，小明每天关水龙头、垃圾分类，还和同学们一起植树。他的行动虽然小，但让环境变得更美好了。 环保无小事，人人可以贡献自己的力量！ 一、核心词汇分类 1. 自然资源（Nature's gifts） • water /ˈwɔːtə/ (水) • air /eə/ (空气) • land /lænd/ (土地) • forest /ˈfɒrɪst/ (森林) • energy /ˈenədʒi/ (能源) • resource /rɪˈsɔːs/ (资源) We can't live without clean water and fresh air. 2. 环境问题（Environmental problems） • pollution /pəˈluːʃn/ (污染) • waste /weɪst/ (浪费；废弃物) • rubbish /ˈrʌbɪʃ/ (垃圾) • plastic /ˈplæstɪk/ (塑料) • dirty /ˈdɜːti/ (脏的) • serious /ˈsɪəriəs/ (严重的) Air pollution is a serious problem in many cities. 3. 环保行动（Actions to protect the Earth） • save /seɪv/ (节约；拯救) • protect /prəˈtekt/ (保护) • recycle /ˌriːˈsaɪkl/ (回收利用) • reduce /rɪˈdjuːs/ (减少) • reuse /ˌriːˈjuːz/ (重复使用) • plant /plɑːnt/ (种植) • clean /kliːn/ (清理) • turn off /tɜːn ɒf/ (关掉) We should save water and plant more trees. 4. 环保相关概念 • the Earth /ɜːθ/ (地球) • environment /ɪnˈvaɪrənmənt/ (环境) • nature /ˈneɪtʃə/ (自然) • resource /rɪˈsɔːs/ (资源) 二、重点短语（考试常考） • save water / energy (节约水/能源) • protect the environment / the Earth (保护环境/地球) • recycle waste / paper / plastic (回收废物/纸张/塑料) • reduce pollution (减少污染) • turn off the tap / the lights (关水龙头/关灯) • pick up rubbish (捡垃圾) • plant trees (植树) • throw away (扔掉) • be harmful to (对……有害) Don't throw away plastic bags. They are harmful to the environment. 环保口诀： 节约水，save water；关龙头，turn off the tap。 捡垃圾，pick up rubbish；多植树，plant more trees。 塑料有害要减少，recycle recycle 真环保！ 保护地球爱护家，我们一起行动吧！ 三、经典例题解析 例1： We should not ______ water. It's important for our life. A. save B. waste C. protect D. recycle ✅ 解析： 根据句意“水对生活很重要”，不应“浪费”。答案：B 例2： ______ can cause many problems to our health. A. Save B. Protect C. Pollution D. Recycle ✅ 解析： 污染对健康有害。答案：C 例3： We should ______ the environment by planting more trees. A. pollute B. waste C. protect D. throw ✅ 解析： 植树可以“保护”环境。答案：C 四、分层练习（共35题，难度逐级上升） L1 基础填空 · 根据汉语提示写单词（每题1分，共10分） 1. We can't live without ______ (水). 2. ______ (空气) pollution is very serious in some cities. 3. Don't ______ (浪费) food. Many people are hungry. 4. We should ______ (保护) the Earth for our future. 5. We can ______ (回收) paper and glass. 6. Please ______ (关掉) the lights when you leave the room. 7. There is a lot of ______ (垃圾) on the beach. 8. ______ (塑料) bags are harmful to the environment. 9. We should ______ (节约) water by turning off the tap. 10. The ______ (环境) is getting better because of our hard work. L2 单项选择 · 根据语境选择正确的答案（每题2分，共12分） 1. We should ______ water because it is important for life. A. waste B. save C. pollute D. throw 2. ______ can cause many health problems. A. Save B. Protect C. Pollution D. Recycle 3. We can ______ paper, glass and plastic to protect the environment. A. recycle B. waste C. pollute D. throw 4. Please ______ the tap when you brush your teeth. A. turn on B. turn off C. turn up D. turn down 5. Don't ______ rubbish on the ground. A. pick up B. throw away C. recycle D. save 6. ______ is good for the Earth. It makes the air fresher. A. Planting trees B. Cutting trees C. Burning trees D. Throwing trees L3 短语搭配 · 用方框中的短语填空（每题2分，共10分） 方框：save water, turn off, recycle waste, plant trees, pick up rubbish 1. We should ______ by taking a short shower. 2. Please ______ the lights when you leave the classroom. 3. We can ______ to make new things from old ones. 4. On weekends, we often go to the park to ______. 5. Spring is the best time to ______. L4 完成句子 · 根据汉语提示填空（每题2分，共10分） 1. 离开房间时请关灯。 Please ______ ______ the lights when you leave the room. 2. 回收纸张和玻璃对地球有好处。 ______ paper and glass is good for the Earth. 3. 不要往河里扔垃圾。 Don't ______ rubbish into the river. 4. 植树可以帮助保护环境。 ______ ______ can help protect the environment. 5. 塑料对环境有害。 Plastic is ______ to the environment. L5 改错题 · 找出错误并改正（每题2分，共10分） 1. We should save the water. It's important. 2. Don't waste foods. Many people are hungry. 3. We can recycle paper and glasses. 4. Turn on the lights when you leave the room. 5. Planting trees are good for the environment. L6 语篇填空 · 用所给单词的适当形式填空（每空1分，共8分） The Earth is our home. We must ______ (1) (保护) it. First, we should ______ (2) (节约) water. Don't ______ (3) (浪费) it. Second, we should ______ (4) (关掉) the lights when we leave a room to save energy. Third, we can ______ (5) (回收) paper, glass and plastic. Fourth, don't ______ (6) (扔) rubbish everywhere. Finally, ______ (7) (植树) more trees to make the air clean. Let's work together to make our Earth a better place. Every small action ______ (8) (有帮助). L7 阅读理解 · 判断正误（每题1分，共5分） We live on the Earth. The Earth gives us air, water and food. But we are polluting the Earth. Factories make the air dirty. Cars also cause air pollution. People throw rubbish into rivers and lakes. That makes the water dirty. We must take action to protect the Earth. We can save water by turning off the tap. We can plant more trees. We can also recycle paper and glass. Small actions can make a big difference. Let's start today! 1. The Earth gives us air, water and food. ( ) 2. Factories and cars cause air pollution. ( ) 3. Throwing rubbish into rivers is good for the water. ( ) 4. We can save water by turning off the tap. ( ) 5. Small actions cannot help protect the Earth. ( ) 参考答案（教师用卷） L1 基础填空： 1. water 2. Air 3. waste 4. protect 5. recycle 6. turn off 7. rubbish 8. Plastic 9. save 10. environment L2 单项选择： 1. B 2. C 3. A 4. B 5. B 6. A L3 短语搭配： 1. save water 2. turn off 3. recycle waste 4. pick up rubbish 5. plant trees L4 完成句子： 1. turn off 2. Recycling 3. throw 4. Planting trees 5. harmful L5 改错题： 1. 去掉the (save water) 2. foods → food 3. glasses → glass 4. on → off 5. are → is L6 语篇填空： 1. protect 2. save 3. waste 4. turn off 5. recycle 6. throw 7. plant 8. helps L7 阅读理解： 1. T 2. T 3. F 4. T 5. F 2/2 学科网（北京）股份有限公司 $