Unit 5 Be Green- Topic Talk 同步练 2025-2026学年北师大版八年级英语下册

**基本信息** 初中英语Unit 5 Be Green新授课同步练，以"基础巩固-语篇理解-综合应用"分层设计，通过词汇辨析、语法转换及环保主题语篇，提升语言能力与环保意识。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇（pollution/disease等）、基础语法（词形转换）|单项选择辨析污染类型，适当形式填空强化名词复数、非谓语动词，巩固语言能力| |进阶层|语篇理解、逻辑推理|阅读理解分析环保问题成因，完形填空通过上下文考查动词搭配（plant trees/reduce plastic），培养思维品质| |应用层|问题解决策略|七选五匹配环保行动建议（如reduce plastic use），衔接文化意识中的环保责任感，实现从认知到实践的迁移|

Unit 5 Be Green Topic Talk同步练 一、单项选择题（共 10 小题，每小题 1 分，计 10 分） 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. Too many cars on the roads cause serious ______ in cities. A. air pollution B. water pollution C. light pollution D. noise pollution 2. Land pollution can bring more ______ to humans. A. diseases B. friends C. jobs D. happiness 3. Cutting down too many trees leads to ______. A. reforestation B. deforestation C. pollution D. recycling 4. Plastic rubbish in rivers and lakes causes ______ pollution. A. land B. water C. air D. light 5. The bright lights and loud sounds in cities make animals and people feel ______. A. relaxed B. stressed C. happy D. comfortable 6. Every small action can help ______ our planet. A. protect B. pollute C. destroy D. change 7. Water pollution results in a lack of ______ drinking water. A. dirty B. clean C. waste D. used 8. Which of the following is NOT an environmental problem? A. air pollution B. deforestation C. recycling waste D. land pollution 9. Global warming is caused by ______ pollution. A. air B. water C. light D. noise 10. We should ______ the use of things from nature. A. increase B. reduce C. waste D. ignore 二、适当形式填空（共 10 小题，每小题 1 分，计 10 分） 用括号内所给单词的适当形式填空。 1. Too many cars on the roads cause serious ______ (pollute). 2. Land pollution can bring more ______ (disease) to humans. 3. We should stop ______ (cut) down trees. 4. Plastic rubbish in rivers ______ (make) the water dirty. 5. The bright lights in cities make animals ______ (feel) stressed. 6. Every small action can help ______ (protect) our planet. 7. Water pollution results in a lack of ______ (cleanly) drinking water. 8. We should reduce the use of ______ (plastic) products. 9. Deforestation forces animals ______ (leave) their homes. 10. Everyone agrees that we need ______ (stop) air pollution. 三、阅读理解 A（共 4 小题，每小题 2 分，计 8 分） 阅读下面短文，从每题所给的 A、B、C、D 四个选项中，选出最佳选项。 Environmental Problems in Our World The world is facing many serious environmental problems today. These problems affect both humans and animals. Air pollution is one of the biggest problems. Too many cars and factories release harmful gases into the air. This causes global warming and makes people sick. Water pollution is also a big issue. Factories and people throw rubbish into rivers and lakes. This makes the water dirty and kills fish. It also causes a lack of clean drinking water. Land pollution is caused by rubbish and plastic. Plastic takes hundreds of years to break down. It pollutes the land and harms animals that live there. Light and noise pollution are also problems in cities. Bright lights and loud sounds make animals and people feel stressed. They can even make it hard for animals to find food or sleep. We all need to take action to protect our planet. Even small actions, like reducing plastic use or recycling, can make a big difference. 1. What causes air pollution? A. Too many trees B. Too many cars and factories C. Too much rain D. Too many animals 2. What is a result of water pollution? A. More clean water B. Lack of clean drinking water C. More fish in rivers D. Healthier rivers 3. Why is plastic bad for the environment? A. It breaks down quickly B. It pollutes the land and harms animals C. It is easy to recycle D. It helps plants grow 4. What can we do to help the environment? A. Use more plastic B. Throw rubbish into rivers C. Reduce plastic use and recycle D. Drive cars everywhere 四、完形填空（共 10 小题，每小题 1 分，计 10 分） 阅读下面短文，掌握其大意，然后从每题所给的 A、B、C、D 四个选项中，选出最佳答案。 Nowadays, our earth is in great trouble. Different kinds of pollution are 1______ our living environment day by day. Air pollution comes from busy streets and big factories. Dirty smoke fills the sky and 2______ our health. Many people get ill because of it. Waste plastic is another huge trouble. People use lots of plastic bags and bottles every day. Most of them are thrown away carelessly. They pollute rivers, fields and forests, and many wild animals eat plastic by mistake and lose their 3______. Besides pollution, people also cut down thousands of trees every year. Trees can take in harmful gas and keep the soil safe. Losing too many trees will break the balance of 4______. What’s more, noise and light pollution in modern cities also bring trouble to people and animals. Luckily, more and more people have realized the seriousness of these problems. We must take useful 5______ right now. First, try to 6______ plastic products and choose reusable things instead. Second, we can walk or ride bikes to school or work to cut down gas emission. Third, it’s a good idea to 7______ more trees around us. Small actions are powerful. If everyone tries their best to live a green life, we will surely make our world much 8______. We do not have another earth to live on, so it’s our common 9______ to protect the environment. Let’s work together to guard our lovely home and make it stay beautiful 10______ forever. 1. A. protecting B. changing C. harming D. improving 2. A. influence B. improve C. treat D. check 3. A. homes B. lives C. dreams D. habits 4. A. nature B. culture C. history D. society 5. A. hobbies B. plans C. actions D. games 6. A. use B. reduce C. produce D. collect 7. A. cut B. water C. plant D. sell 8. A. dirtier B. quieter C. busier D. cleaner 9. A. choice B. duty C. pleasure D. success 10. A. happily B. sadly C. angrily D. slowly 五、七选五（共 5 小题，每小题 2 分，计 10 分） 根据短文内容，从方框中选择恰当的句子填入文中空缺处，使短文意思通顺、内容完整。选项中有两项为多余选项。 How to Protect Our Planet There are many simple things we can do to help protect the environment. Here are some ideas: 1. ______ Use reusable bags instead of plastic bags. This reduces plastic waste. 2. ______ Turn off lights and electronics when you are not using them. This saves energy. 3. ______ Walk, bike, or take public transport when possible. This reduces air pollution. 4. ______ Plant trees and flowers in your community. They help clean the air. 5. ______ Sort your waste and recycle paper, plastic, and glass. This reduces landfill waste. A. Reduce plastic use B. Save energy at home C. Use eco-friendly transport D. Grow plants and trees E. Recycle your waste F. Throw rubbish everywhere G. Use more plastic bags 参考答案 一、单项选择题 1-5: AABBB 6-10: ABCAB 二、适当形式填空 1. pollution 2. diseases 3. cutting 4. makes 5. feel 6.protect 7. clean 8. plastic 9. to leave 10. to stop 三、阅读理解 A 1-4: BBBC 四、完形填空 1-5: CABAC 6-10: BCDBA 五、七选五 1-5: ABCDE 学科网（北京）股份有限公司 $